The invention relates to a sensor element comprising a main part (11) with a main part cavity (11*); a deformation body (12) made of an electrically conductive material, comprising a deformation cavity (12*); a reference body (13) made of an electrically conductive material; and a filling body (14) made of an electrically non-conductive (insulating) material, comprising a filling body cavity (14*). The reference body (13) is partly incorporated into the filling body (14) such that at least one reference body sub-segment (13a) is surrounded by the filling body, and the filling body (14) together with the reference body (13) (incorporated therein) is arranged within the main part cavity (11*) such that the reference body (13) and the main part (11) are mechanically coupled together via the filling body (14) while neverthelss being galvanically separated from each other. Additionally, the deformation body (12) and the main part (11) are mechanically coupled together, thereby forming a sensor cavity (1*) which involves the deformation cavity (12*), such that the main part (11) and the deformation body (12) are connected together, thereby establishing an electrically conductive connection, and the reference body (13) is partly arranged within the deformation body cavity, thereby forming a gap (1') between the deformation body (12) and the reference body (13). The reference body (13) and the deformation body (12) are arranged such that the deformation body inner surface and the reference body surface do not contact each other. Furthermore, the deformation body (12) is designed to carry out a vibrating movement about a static rest position and thereby move relative to the reference body (13) such that the deformation body (12) carries out a vibrating movement which changes the cavity thereof or the gap (1'), therefore changing a capacitance C1 that can be measured between the deformation body and the reference body.
G01F 1/32 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by detection of dynamic effects of the flow using swirl flowmeters
2.
METHOD FOR INSTALLING A CLAMP-ON ULTRASONIC MEASURING DEVICE, AND CLAMP-ON ULTRASONIC MEASURING DEVICE
The invention relates to a method (100) for installing a clamp-on ultrasonic measuring device (1) on a pipeline (200) in order to measure a media property of a medium flowing through the pipeline, wherein the clamp-on ultrasonic measuring device has at least one clamp-on ultrasonic transducer (10). The pipeline has a wall (210) with an outer surface (211), and the outer surface has a surface roughness with an average roughness value of at least 10 micrometers. In a first step (101), a sealing layer (20) comprising a flowable compound (21) is applied onto a wall section; in a second step (102), the sealing layer is cured; and in a third step (103) during or after the curing step, one of the at least one clamp-on ultrasonic transducers is positioned and establishes an acoustic and mechanical contact with the separating device or the contacting element.
G01F 1/66 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
G01F 15/00 - MEASURING VOLUME, VOLUME FLOW, MASS FLOW, OR LIQUID LEVEL; METERING BY VOLUME - Details of, or accessories for, apparatus of groups insofar as such details or appliances are not adapted to particular types of such apparatus
3.
METHOD FOR DETERMINING A FLOW-RATE-DEPENDENT MEASURED VARIABLE
The invention relates to a method for determining a flow-rate-dependent measured variable for a flowable medium in a process line (300) by means of a magnetically inductive flowmeter (1) or a magnetically inductive flow measurement probe (101), wherein the process line (300) has a process line section (301) that is in contact with the medium and that adjoins an end face of the magnetically inductive flowmeter (1), comprising the method steps of: - determining at least one process-line-specific criterion, wherein the process-line-specific criterion is related to an influence of a character of the process line (300), in particular of the process line section (301), on the electrical potential distribution in the process line section (301); and - determining the flow-rate-dependent measured variable, wherein the process-line-specific criterion, in particular a criterion-specific variable associated with the process-line-specific criterion, is used to determine the flow-rate-dependent measured variable. The invention also comprises a magnetically inductive flowmeter (1) and a magnetically inductive flow measurement probe (101).
G01F 1/58 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects by electromagnetic flowmeters
G01F 15/00 - MEASURING VOLUME, VOLUME FLOW, MASS FLOW, OR LIQUID LEVEL; METERING BY VOLUME - Details of, or accessories for, apparatus of groups insofar as such details or appliances are not adapted to particular types of such apparatus
The invention relates to a method for determining a correction function of a flow-velocity-dependent measurement variable of a flowable medium for a magnetoinductive flowmeter or for a magnetoinductive flow measuring probe, comprising the following method steps: – modeling a magnetic-field-generating device, in particular by means of a, preferably numerical, simulation method, wherein modeling the magnetic-field-generating device is influenced by a magnetic permeability of the magnetic-field-generating device, – determining a first reference state, wherein the medium to be guided has a first magnetic permeability in the first reference state, – determining a second reference state, wherein the medium to be guided has a second magnetic permeability, which is different from the first permeability, in the second reference state, – determining a deviation between the first reference state and the second reference state; and – deriving a correction function from the deviation. Furthermore, the invention encompasses a method for correcting a flow-velocity -dependent measurement variable, a magnetoinductive flowmeter and a magnetoinductive flow measuring probe.
G01F 1/58 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects by electromagnetic flowmeters
G01F 15/00 - MEASURING VOLUME, VOLUME FLOW, MASS FLOW, OR LIQUID LEVEL; METERING BY VOLUME - Details of, or accessories for, apparatus of groups insofar as such details or appliances are not adapted to particular types of such apparatus
5.
ENAMEL-COATED STAINLESS STEEL PRODUCT, PRODUCTION METHOD, AND FLOWMETER
The invention relates to a stainless steel product (1), comprising: - a stainless steel sheet (2), wherein on a surface (3) of the stainless steel sheet (2) an adhesion promoter (4) is applied, wherein the adhesion promoter (4) comprises a CoCr and/or NiCr alloy, wherein on the adhesion promoter (4) an enamel coating (5) is applied. The invention also relates to a magneto-inductive flowmeter (6), a field device (10) and to a method for producing a stainless steel product (1).
C22C 19/05 - Alloys based on nickel or cobalt based on nickel with chromium
C22C 19/07 - Alloys based on nickel or cobalt based on cobalt
G01F 1/58 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects by electromagnetic flowmeters
C23C 28/00 - Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of main groups , or by combinations of methods provided for in subclasses and
G01F 1/32 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by detection of dynamic effects of the flow using swirl flowmeters
The invention relates to a connection circuit (1) for a field device (100), comprising two connections (2) forming a two-wire interface, a microcontroller (3) for operating the field device, a voltage converter (4) which is connected upstream of the microcontroller (3) and is configured to operate the microcontroller (3) with an operating voltage, a supply capacitor (5) which is connected upstream of the voltage converter (4) and is configured to absorb electrical energy when the connection circuit (1) is started and to use it to supply the voltage converter (4), a first current limiting element (6) which is connected upstream of the supply capacitor (5) and is designed to limit an input current below a permissible limit current when starting the connection circuit (1), a first bridging element (8) which is connected in parallel with the first current limiting element (6) and is intended to bridge the first current limiting element (6) if a first criterion is satisfied, and a test element (10) which is configured to check whether the first criterion is satisfied. The invention also relates to a field device.
The invention relates to a clamp-on ultrasonic flowmeter (1) comprising: - at least one pair of ultrasonic transducers (10) which are attached to the pipe (11) having an in particular round cross-section or to a measuring tube (12) of the flowmeter, which measuring tube is integrated in the pipe and has an in particular round cross-section, - an electronic measuring/operating circuit (20) for operating the ultrasonic transducers, analyzing measurement signals from the ultrasonic transducers, and providing measured values, wherein: the ultrasonic transducers of each pair are each attached separately to the measuring tube or the pipe; the pipe or the measuring tube has, in cross-section, a vertical diameter (13.1); in an associated cross-section, the ultrasonic transducers are mutually spaced peripherally in relation to the vertical diameter, characterized in that a counterweight (14), in particular precisely one counterweight (14), is assigned to each ultrasonic transducer and is at a distance from the ultrasonic transducer and opposite thereto in relation to the vertical diameter, wherein the ultrasonic transducer and the associated counterweight (14) are connected by a flexible, in particular resilient, connecting element (15), such as a belt, a cable, a chain or a spring, which connecting element (15) extends above, in particular exclusively above, the measuring tube or the pipe.
G01F 1/66 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
G01F 1/667 - Arrangements of transducers for ultrasonic flowmeters; Circuits for operating ultrasonic flowmeters
The invention relates to a magnetic-inductive flow meter (1) for determining a flow rate-dependent measurement variable, comprising: - a measuring tube (2) for guiding a flowable medium, the measuring tube (2) having an electrically conductive carrier tube (3), the carrier tube (3) having a first electrode opening (40); - a magnetic field-generating device (5) for generating a magnetic field penetrating the measuring tube (2), the magnetic field-generating device (5) being arranged on an outer lateral surface of the measuring tube (2); - a first electrode arrangement (42), the first electrode arrangement (42) being arranged in the first electrode opening (40); and - a first electrode cap (44) which is interlockingly and/or force-fittingly arranged on the first electrode arrangement (42) and is designed to prevent the formation of a moisture bridge between the first electrode arrangement (42) and the carrier tube (3).
G01F 1/58 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects by electromagnetic flowmeters
An assembly (3) of a field device comprises a first component (32); and a second component (34), wherein the first component (32) has a cylindrical bore hole (328), wherein the second component (34) has an installation sleeve (343) with at least one cylindrical portion (344) that has a clearance fit in relation to the cylindrical bore hole (328) of the first component (32), wherein the installation sleeve (343) has a annularly encircling bead (348) around the at least one first cylindrical portion (344) which is formed monolithically with the at least one first cylindrical portion (344) and has a interference fit in relation to the cylindrical bore hole (328), wherein the encircling bead (348) of the at least one first cylindrical portion (344) is introduced into the cylindrical bore hole (328) so that the at least one first cylindrical portion (344) of the installation sleeve (343) is radially clamped in the cylindrical bore hole (328), as a result of which an annularly encircling radial seal is formed between the first component (32) and the second component (34).
F16J 15/04 - Sealings between relatively-stationary surfaces without packing between the surfaces, e.g. with ground surfaces, with cutting edge
G01F 1/325 - Means for detecting quantities used as proxy variables for swirl
G01F 1/32 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by detection of dynamic effects of the flow using swirl flowmeters
G01F 15/18 - Supports or connecting means for meters
F16L 13/00 - Non-disconnectable pipe joints, e.g. soldered, adhesive, or caulked joints
F16L 19/00 - Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on, or into, one of the joint parts
ErrErr) that represent deviations of phase angles or phase differences on the basis of measurement signals (s1, s2) provided during the first and second measurement intervals.
G01F 1/84 - Coriolis or gyroscopic mass flowmeters
G01F 25/10 - Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters
11.
TUBE ARRANGEMENT POLISHED BY FORCED ELECTROLYTIC PLASMA POLISHING IN SECTIONS, IN PARTICULAR A MEASURING TUBE ARRANGEMENT, MEASURING SENSOR WITH SUCH A MEASURING TUBE ARRANGENMENT, AND METHOD FOR PLASMA POLISHING A MEASURING TUBE ARRANGEMENT
The invention relates to a measuring tube arrangement (10) comprising: two support bodies (21, 22), each with at least one bore (23, 24, 25, 26); and at least one tube, in particular a measuring tube (11, 12) with a lumen for guiding a medium, wherein the tube, in particular the measuring tube (11, 12), has a first end portion and a second end portion which are each connected to one of the support bodies (21, 22), wherein the bores (23, 24, 25, 26) of the support bodies communicate with one another via the lumen of the tube, in particular of the measuring tube, wherein the tube arrangement, in particular the measuring tube arrangement (10), has a section (41, 42) which is polished by forced electrolytic plasma polishing and which, in a region in which the flow cross section comprises not more than the cross section of the at least one tube, in particular of the measuring tube, extends over at least three, in particular at least four, diameters of the at least one tube, in particular of the measuring tube, wherein the section (41, 42) polished by forced electrolytic plasma polishing is followed by an etched section (43, 44), wherein the etched section (43, 44) has a different surface structure than the section (41, 42) polished by forced electrolytic plasma polishing.
The invention relates to a method for the contactless determination of a condensate formation on a measuring tube surface (34) of, in particular metallic, a measuring tube (3) by means of an optical temperature sensor (12) for the contactless detection of a temperature of the measuring tube (3) and to a modular Coriolis flowmeter (1).
The invention relates to a modular Coriolis flowmeter (1) for determining a process variable of a flowable medium, comprising: a measuring tube module (4) having a measuring tube (3a, 3b) for guiding the medium, a primary exciter component (23) and a primary sensor component (24a, 24b) arranged on the measuring tube (3a, 3b); a support module (10) having a recess (11) in which the measuring tube module (4) can be arranged with a detachable connection; an electronics chamber (30) in which electronics components (4) for operating the modular Coriolis flowmeter (1) are arranged; a support module wall (31) bordering the electronics chamber (30) and the recess (11) and having a through-opening (32) which connects the recess (11) to the electronics chamber (30), wherein protective glass (33) is arranged in the opening (32); a contactless temperature sensor (12) which is arranged in the electronics chamber (30) and orientated in such a way that, when the measuring tube module (3) is arranged in the support module (10), the temperature sensor (12) is directed towards a measuring tube surface (34) of the at least one measuring tube (3) and receives a light beam emitted from the measuring tube surface (34) of the measuring tube (3) through the opening (32); a secondary exciter component (13) that is complementary to the primary exciter component (23); and a secondary sensor component (14) that is complementary to the primary sensor component (24).
The connecting cable (1000) comprises a wire (1011) made of electrically conductive material, a wire (1012) made of electrically conductive material and a multiplicity of connecting elements (1013.1, 1013.2, 1013.3, 1013.N), serving for the mechanical, but nevertheless electrically insulated connection of the wires (1011, 1012) and each made of a material having a dielectric strength of no less than 300 V/mm and a transformation temperature of over 400°C. Each of the connecting elements (1013) is mechanically connected both to the wire (1011) and to the wire (1012) in such a way that the wires (1011, 1012) are spaced apart and electrically insulated from one another to form an electrical insulating resistance of no less than 1 MΩ. At least one (partial) segment of the wires (1011, 1012) extending between two adjacent connecting elements may also be advantageously formed in each case as a (bare) overhead line. The connecting cable (1000) may advantageously also be a component part of a measuring device and serve the purpose of electrically connecting an electrical component (101) of the measuring device (1), serving as a sensor element, and an electronic measuring circuit (102) of the measuring device (1) to one another.
The invention relates to a modular coriolis flowmeter (1) for determining a process variable of a flowable medium, comprising: a measuring tube module (4) having at least one measuring tube (3), a primary exciter component (23), a primary sensor component (24), a connector element (2) for detachably connecting the measuring tube module (4) to a process line, and a connecting element (5) for connecting the at least one measuring tube (3) to the connector element (2); a support module (10) with a recess (11) for detachably securing the measuring tube module (4) in the support module (10), a secondary exciter component (13) that is complementary to the primary exciter component (23), and a secondary sensor component (14) that is complementary to the primary sensor component (24); characterised in that the connecting element (5) has a connecting element contact section (6) which has a deflection of less than 1% relative to a maximum deflection of the at least one measuring tube (3) with an excitation of the at least one measuring tube (3) via a mechanical vibration, and in that the connector element (2) and the connecting element (5) are designed in such a way that a mechanical contact between the connector element (2) and the connecting element (5) occurs, in particular exclusively, within the connecting element contact section (6). The invention also relates to a method for designing the measuring tube module (4).
The invention relates to a measuring system comprising a measuring transducer having at least one measuring tube, an exciter arrangement, a sensor arrangement and an electronic transformer circuit (US) having measurement and control electronics (DSV) and having drive electronics (EXc) connected to the measurement and control electronics and/or controlled by the measurement and control electronics. The drive electronics for its part is designed, controlled by the measurement and control electronics, to generate an electrical driver signal (e1) in a first operating mode (I) and thereby to feed electrical power into the exciter arrangement in such a manner that the at least one measuring tube executes forced mechanical vibrations at a vibration frequency predefined by the electrical drive signal at least during a first measuring interval, and in a second operating mode (II), to suspend generation of the electrical driver signal in such a manner that no electrical power is fed into the exciter arrangement by the drive electronics during said suspension.
The invention relates to a securing fixture (10) designed to secure at least one electric line (2), comprising: - a housing (11), having a first housing part (11.1) and a second housing part (11.2) which form a housing cavity (11.3), the first housing part and the second housing part each having at least one feed-through opening (11.4) for feeding through at least one of the electric lines; - an elastic body (12), which is compressed by the first housing part and the second housing part when these parts have been joined together, wherein the elastic body has at least one feed-through channel (12.1) for the at least one electric line, the elastic body has at least one body cavity (12.2), such as a bore (12.21), and in every one of the at least one body cavities there is arranged one support element (13) by means of which a local stiffening of the elastic body is effected, the at least one support element being designed, when the first housing part and the second housing part are joined together, to bring about a local change in shape, such as a bend, in at least one electric line.
H02G 3/06 - Joints for connecting lengths of protective tubing to each other or to casings, e.g. to distribution box; Ensuring electrical continuity in the joint
The invention relates to a sensor comprising a deformation body (111) that is flat at least in some portions and that has a planar surface (111+) and an opposite planar surface (111#), a sensor vane (112) extending starting from the first surface (111+) of the deformation body, a connection sleeve (113) extending starting from the deformation body, a converter element (12) which is arranged within the connection sleeve (113) and contacts the surface (111+) of the deformation body with a contact face for generating an electric sensor signal representing movements of the sensor vane that change over time and/or deformations of the deformation body that change over time, and also comprising fastening means which are positioned within the connection sleeve (113) and are mechanically connected thereto for fixing the converter element (12) in the connection sleeve (112). The connection sleeve has an internal thread in a distal end remote from the deformation body (111), and the fastening means (13) comprise an (inner) threaded sleeve (132) having an external thread, and a cylindrical add-on element (133). In addition, the threaded sleeve (132) is screwed into the internal thread, and the add-on element (133) is positioned between the (inner) threaded sleeve and the converter element, in such a way that an abutment for the add-on element is formed by means of the threaded sleeve, and at least the add-on element is elastically deformed by exerting a pressing force which holds the converter element pressed against the deformation body or is elastically deformed by forming at least a frictional connection connecting a converter element and the deformation body to each other.
G01F 1/32 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by detection of dynamic effects of the flow using swirl flowmeters
19.
ULTRASONIC TRANSDUCER AND CLAMP-ON ULTRASONIC FLOWMETER
The invention relates to an ultrasonic transducer (10) of a clamp-on ultrasonic flowmeter (1) for measuring a measurement variable of a medium in a measuring tube (50), comprising: a transducer element (12) for generating and detecting ultrasonic signals; a housing (11) with a housing chamber (11.1) in which the transducer element is arranged, wherein the housing has at least two second contact points (11.2) which are designed to come in contact with the measuring tube; an extension arm (13) having at least two first contact points (13.2) which are designed to come in contact with the measuring tube, wherein the extension arm has a central region (13.12), a first end (13.11) and a second end (13.13) opposite the first end, the first end being connected to the housing, and the second end being designed to be mounted on the measuring tube, characterised in that a magnetic device (14), by means of which the ultrasonic transducer can be secured to a magnetic measuring tube, is arranged in the central region of the extension arm.
G01F 1/66 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
G01F 15/18 - Supports or connecting means for meters
The invention relates to a measuring device (1) according to a vibration type for measuring a mass flow or a density of a medium in a measuring tube, comprising at least one measuring tube (10) for guiding the medium, having a respective inlet and outlet; at least one exciter (21) for generating measuring tube vibrations, having at least one magnetic coil (23) with a coil line (23.1); at least two sensors (22) for detecting the measuring tube vibrations, each having at least one magnetic coil (23) with a coil line (23.1); a support element (30) for supporting the at least one measuring tube; and an electronic measuring/operating circuit (40) for operating the exciter and the sensors and for providing measurement values of the mass flow or the density of the medium, wherein the electronic measuring/operating circuit is connected to the magnetic coils by means of connection lines (41), wherein the coil lines and the connection lines are produced from or contain at least one of the following materials: copper, a copper alloy, silver, wherein the connection lines are joined to the associated coil lines of the magnetic coils by means of a flux-free hard solder (60), and wherein the hard solder comprises silver, copper and phosphorus.
G01F 1/84 - Coriolis or gyroscopic mass flowmeters
G01N 9/00 - Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
G01N 11/16 - Investigating flow properties of materials, e.g. viscosity or plasticity; Analysing materials by determining flow properties by moving a body within the material by measuring damping effect upon oscillatory body
The invention relates to a fluid-line system comprising: a (connecting) fitting (100) having a lumen, which is enclosed by a wall and extends from first and second flow openings located in a fitting end (100+) as far as a third flow opening located in a fitting end (100#) located remotely from the fitting end (100+); fluid lines (200, 300), each having a lumen, which is enclosed by a wall and extends from a first flow opening located in a first line end (200+, 300+) as far as a second flow opening located in a second line end (200#, 300#); and a flow-conditioner element (400), which is inserted into the lumen of the (connecting) fitting (100) and non-detachably connected thereto and has first and second flow channels (401*, 402*) connected fluidically in parallel. The flow-conditioner element (400) is arranged in the fitting (100) such that a (flow-conditioner) element end (400+) faces the fitting end (100+) and a (flow-conditioner) element end (400#) remote from the (flow-conditioner) element end (400+) faces the fitting end (100#). Each fluid line (200) is also connected by its first line end (200+; 300+) to the line end (100+) such that the first flow opening of the fluid line (200) opens into the first flow opening of the fitting (100) and the first flow opening of the fluid line (300) opens into the second flow opening of the (connecting) fitting (100). In the fluid-line system according to the invention, each of the two flow channels (401*, 402*) of the flow-conditioner element (400) extends from a first flow opening located in the region of the element end (400+) as far as a second flow opening located in the region of the element end (400#), and the flow-conditioner element is furthermore positioned and oriented in the fitting (100) such that a first flow path, which involves both the flow channel (401*) and the lumen of the fluid line (200), and a second flow path, which involves both the flow channel (402*) and the lumen of the fluid line (300), are formed.
The invention relates to a microwave measuring device comprising: - a measuring tube (1) for conducting the medium; - a first microwave antenna (2) which is designed to generate a particularly variable microwave signal and emit said signal into the medium; and - at least a first magnetic-field-sensitive measuring device (3) for determining a magnetic field, comprising: -- a measuring device component having an optically excitable material (11), the microwave signal acting on the optically excitable material (11); -- an optical excitation device (7) which is designed to optically excite the optically excitable material (11); and -- an optical detection device (10) which is designed to provide a detection signal correlating with light emitted by the optically excitable material (11); - an evaluation circuit (4) which is designed to determine a magnetic field and/or a change in the magnetic field on the basis of the detection signal.
G01N 22/00 - Investigating or analysing materials by the use of microwaves or radio waves, i.e. electromagnetic waves with a wavelength of one millimetre or more
23.
METHOD FOR DETERMINING A QUALITY OF A WIRELESS TRANSMISSION OF DATA PACKETS OF A FIELD DEVICE
The invention relates to a method for determining a quality of a wireless transmission of data packets of a field device (1) via a wireless communication interface (2) to a higher-level unit (3), comprising the following method steps: - sending the data packets via the wireless communication interface (2) to the higher-level unit (3), wherein the data packets are sent intermittently; - receiving the data packets through the higher-level unit (3); - checking whether the time duration between two data packets received by means of the higher-level unit, a size of the respective data packets and/or information stored in the respective data packets fulfils a criterion; and - determining a communication status depending on the check and optional output of the communication status.
H04L 43/0811 - Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability by checking connectivity
H04L 41/16 - Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks using machine learning or artificial intelligence
H04L 43/08 - Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
H04W 24/00 - Supervisory, monitoring or testing arrangements
H04L 43/0817 - Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability by checking functioning
H04W 84/18 - Self-organising networks, e.g. ad hoc networks or sensor networks
METHOD FOR DETERMINING A CHARACTERISTIC PASSAGE TIME OF A COMPONENT OF A HETEROGENOUS MEDIUM IN A VIBRATING MEASURING TUBE OF A CORIOLIS MASS FLOW METER
The method (200) according to the invention is used to determine a characteristic passage time of a component of a flowing medium in at least one vibrating measuring tube of a Coriolis mass flow meter, the Coriolis mass flow meter having the at least one measuring tube, at least one exciter for exciting at least one bending vibration mode of the measuring tube, and at least one vibration sensor for sensing the measuring tube vibrations, wherein the component is present inhomogenously in the medium and has a component density which deviates from an average density of the medium, the method (200) comprising the following steps: feeding (210) an excitation signal to the exciter with a natural frequency of at least one bending vibration mode; ascertaining (220) at least one first time profile of a signal amplitude of the at least one first vibration sensor at a natural frequency of an anti-symmetrical bending vibration mode; ascertaining (230) the characteristic passage time on the basis of the at least one first time profile of the signal amplitude at the natural frequency of the anti-symmetrical bending vibration mode.
The signal transmission system comprises a transmitter circuit (PHY-T), a receiver circuit (PHY-R) and a signal cable (STP) for electrically connecting the transmitter circuit (PHY-T) and the receiver circuit (PHY-R). A signal output (Tx) of the transmitter circuit (PHY-T) and a signal input (Rx) of the receiver circuit (PHY-R) are electrically connected to one another by means of the signal cable in such a way that a current loop involving the signal output (Tx), a pair of signal conductors of the signal cable and a current divider (formed by means of a terminating resistor (RT), which electrically interconnects the signal conductors at a respective line end on the receiver circuit (PHY-R), and the signal input (Rx)) is formed. The transmitter circuit (PHY-T) is configured to drive a (loop) current (iLVDS) with a predefinable current intensity and a predefinable current direction in the current loop. The receiver circuit (PHY-R) is in turn configured to convert an input voltage (uLVDS) that is dependent on the (loop) current (iLVDS) into a corresponding output voltage (ua) in such a way that, when the input voltage (uLVDS) has a voltage level that is above a switching voltage threshold value (UTH1), the output voltage (ua) assumes or continues to have a voltage level (Ua1), wherein an output voltage (ua) that has the voltage level (Ua1) continues to have the voltage level (Ua1) even when the input voltage has a voltage level that is below the switching voltage threshold value (UTH1) and nonetheless remains above a switching voltage threshold value (UTH2) (hysteresis). The transmitter circuit (PHY-T) is also configured to modulate a digital input signal (e) onto the (loop) current (iLVDS) and to set the current intensity of the (loop) current (iLVDS) on the basis of the digital input signal (e) in such a way that the (loop) current (iLVDS) is allowed to flow in a first current direction in the current loop when the digital input signal has a signal state (HIGH), and that the (loop) current (iLVDS) has or can have at least two different (positive, each differing from zero) current intensities at successive times, of which a first current intensity is greater than a switching current threshold value (UTH1/R) of the receiver circuit and a second current intensity is less than the switching current threshold value (UTH1/R) and than a switching current threshold value (UTH2/R) of the receiver circuit.
G01F 23/00 - Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
The invention relates to a magnetically inductive flow meter (1), comprising: - a sleeve (2) with a sleeve end portion (4) which makes contact with a medium, - at least two measuring electrodes (7) for forming electrically conductive contact with the medium and for tapping of an induced voltage in the flowing medium, wherein at least one of the at least two measuring electrodes (7) is arranged in the sleeve end portion (4); - a magnetic field-generating device (8) for generating a magnetic field passing through at least the sleeve end portion (4), comprising: -- a coil (13) having a coil opening; -- a field guiding body (50) which extends at least in portions through the coil opening, wherein the field guiding body (50) comprises a coil core (11); and -- a shielding body (41) which is arranged at least between the coil (13) and the at least one measuring electrode (7), wherein the shielding body (41) is electrically connected to a reference potential.
G01F 1/58 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects by electromagnetic flowmeters
27.
DEVICE FOR DETERMINING A PROPERTY OF A LIQUID COMPONENT OF A GAS-LOADED MEDIUM
The invention relates to a device (1) for determining a property of a liquid component of a gas-loaded medium, comprising: a pipeline (10) for conducting the medium, comprising - a first section (11), said first section having an inclination of less than 20° and in particular less than 10°, and - a second section (12) in the form of a riser, said second section forming an angle of at least 45° with respect to a horizontal. The invention is characterized in that a closed end (13) is arranged in an extension of the first section, wherein a connection (12.1) of the second section to the first section defines the beginning of the closed end, and at least one measuring device (20) for measuring the property of the liquid component is arranged in an end region (13.1) of the closed end.
The invention relates to a method (100) for operating an ultrasonic measuring device (1) for measuring at least one property of a medium, comprising: an arrangement (10) of at least two pairs of ultrasonic transducers (20) for emitting and receiving ultrasonic signals in each case of a signal path (30) through a fluid; a holding apparatus (50) having a wall (51) that is in contact with the media and has at least one flat wall section (51.1) for holding the ultrasonic transducers; an electronic measuring/operating circuit (40) for operating the ultrasonic transducers and for providing measured values of the property, wherein the ultrasonic transducers form Lamb oscillations in the respectively associated wall, characterized in that at least two pairs of the at least two pairs of ultrasonic transducers each excite and capture different modes of Lamb oscillations, wherein the different modes are excited in groups in a first method step (101), wherein a time delay between temporally adjacent emissions of ultrasonic signals is shorter than a shortest propagation time of the ultrasonic signals between associated ultrasonic transducers.
G01F 1/66 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
G01N 11/00 - Investigating flow properties of materials, e.g. viscosity or plasticity; Analysing materials by determining flow properties
G01N 9/24 - Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by observing the transmission of wave or particle radiation through the material
G01N 29/024 - Analysing fluids by measuring propagation velocity or propagation time of acoustic waves
G01N 29/032 - Analysing fluids by measuring attenuation of acoustic waves
G01F 1/667 - Arrangements of transducers for ultrasonic flowmeters; Circuits for operating ultrasonic flowmeters
29.
METHOD FOR OPERATING A MAGNETIC INDUCTIVE FLOWMETER
The invention relates to a method for operating a magnetic inductive flowmeter (1), the magnetic inductive flowmeter (1) comprising: - a measuring tube (2) for guiding a flowable medium; - at least two measuring electrodes (3) for detecting a measurement voltage which is dependent on the flow velocity and induced in the medium; and - a magnetic field-generating device (4) for generating a magnetic field passing through the measuring tube (2), the magnetic field-generating device (4) having a coil system with at least one coil (5); characterized in that a deviation σ of a reactance of the coil system or a deviation σ of a variable dependent on the reactance of the coil system is determined from a desired value. The invention also relates to a magnetic inductive flowmeter (1).
G01F 1/58 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects by electromagnetic flowmeters
The invention relates to a magnetically inductive flow meter (1), comprising: - a metal tube (2) having at least one tube opening (5) in a tube wall (6); - at least two measurement electrodes (7) for forming galvanic contact with the medium and for tapping an induced voltage in the flowing medium, at least one of the at least two measurement electrodes (7) being arranged in the second tube end portion (4); - a magnetic-field-generating device (8) for generating a magnetic field (9) which passes through at least the second tube end portion (4), the magnetic-field-generating device (8) being arranged at least partly in a tube interior (10); - a housing (12) for accommodating electronic components, the housing (12) having a housing body (6) at least partially made of thermoplastic material, the housing body (6) having a housing body opening (15) into which the first tube end portion (3) extends, and the housing body (6) having at least one protrusion (17) extending, more particularly radially, toward the tube interior (10) and into the at least one tube opening (5) in order to form a form-locking connection between the tube (2) and the housing body (6).
G01F 1/58 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects by electromagnetic flowmeters
The invention relates to a field device, comprising: a data processing unit; a releasable radio module which is electrically connected to the data processing unit, the radio module being designed for receiving and transmitting data and forwarding them to or from the data processing unit; and a mechanical holder which is designed to detachably hold the radio module in a fixed manner.
The invention relates to a method for operating a magnetic-inductive flowmeter, comprising the following method steps: • applying a first voltage signal to the device for generating the magnetic field, the first voltage signal being divided into time intervals, each having a first time sub-interval, in which a first voltage is applied to the device for generating the magnetic field, wherein the first voltage is controlled in such a way that a deviation of the coil current from a predetermined coil current target value during a measurement interval is minimal, wherein the coil current target value is constant for the entire first voltage signal, • applying a second voltage signal to the device for generating the magnetic field, the second voltage signal being divided into time intervals, each having a second time sub-interval, in which a second voltage is applied to the device for generating the magnetic field, wherein the second voltage is controlled in such a way that a deviation of a control function from a control target value is minimal.
G01F 1/58 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects by electromagnetic flowmeters
The invention relates to a method for detecting a foreign body in a flowable medium, in particular with a variable gas charge and preferably with free bubbles, the method comprising the steps of: - determining a first time curve of a first measured value by means of a first measuring device, in particular a Coriolis flowmeter, for determining a physical density of the medium; - determining a second time curve of a second measured value by means of a second measuring device, in particular a microwave sensor, for ascertaining a relative permittivity of the medium; - determining a temporal correlation between the first curve and the second curve; - detecting pairs of measured values of the first measured value and the second measured value; - checking whether the detected pairs of measured values within a predefined tolerance interval correspond to the correlation of at least one predefined function; and - if this is not the case, establishing that the foreign body is present in the medium.
tttholdhold Uholdhold )tholdhold Uholdhold hold ) in such a way that a deviation of a control function from a predefined control target value, in particular a control target value comprising a variable that is proportional to a magnetic flux, is minimal.
ttholdhold Uholdhold Uholdhold hold ) such that a deviation of a control function from a predefined control target value is minimal; and a diagnostic circuit (13) for monitoring at least one diagnostic value.
tttholdhold )Uholdhold tholdhold Uholdhold hold ) of the first operating signal (11.1) in such a way that a deviation of a control function from a predefined control target value, in particular a control target value comprising a variable that is proportional to a magnetic flux, is minimal.
The invention relates to a measuring tube system (1) for a measuring device (600), comprising: - an n-fold number of measuring tubes (100, 100') for conducting a flowable medium, wherein the measuring tubes (100, 100') each have two end regions, and wherein n >= 1, - a first block (200) with the n-fold number of first channels (210, 210') passing through the first block (200), wherein the measuring tubes (100, 100'), in a first end region, are each at least partially conducted through the corresponding first channels (210, 210') and are integrally, frictionally or form-fittingly fixed in the corresponding first channels (210, 210'), - a second block (300) with the n-fold number of second channels (310, 310') passing through the second block (300), wherein the first block (200) and the second block (300) are arranged in such a way that the first channels (210, 210') and the second channels (310, 310') correspondingly adjoin one another and the first block (200) and the second block (300) are connected in a fluid-tight manner, and relates to a measuring device (600) comprising the measuring tube system (1) according to the invention, and to a production method for the measuring tube system (1) according to the invention.
The invention relates to a method (100) for detecting manipulation of data of a measurement/automation field device (1.1), said data being sent in the form of data packets within a network (5) by means of a communication channel (3), for example an unsecure communication channel, to a receiving device (2), wherein: the field device (1.1) is part of a secure sub-network (1) formed by at least one sub-network device, said sub-network (1) comprising at least the measurement/automation field device (1.1) or an edge device (1.2) and at least the measurement/automation field device (1.1); in a first method step (101), a device key pair (SG) having a private device key (SGP) and having a public device key (SGO) is generated by means of an asymmetric cryptosystem; the private device key is stored in a signing sub-network device; in a second method step (102), the signing sub-network device generates, for a group of data packets (10) comprising at least one data packet (11), a digital data signature (20) by means of the private device key and transmits said digital data signature and the group of data packets to the receiving device; in a third method step (103), the receiving device verifies the group of at least one data packet by means of the associated data signature (20) and the public device key.
H04L 9/32 - Arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system
The invention relates to a system for identifying the presence of a foreign body (51) in a flowable medium in a pipeline (100). The system comprises a pipeline having a line inlet section (1) and an upset section (3) and also comprises a first transmitting/receiving unit (11) for the line inlet section and a second transmitting/receiving unit (12) for the line outlet section (2) and a superordinate unit (10), which system is designed to ascertain the presence of a foreign body (51) in the medium on the basis of at least one comparison between the mean permittivity (epsilon_m,3) in the upset section (3) and the mean permittivity (epsilon_m,1) in the line inlet section (1).
G01N 22/00 - Investigating or analysing materials by the use of microwaves or radio waves, i.e. electromagnetic waves with a wavelength of one millimetre or more
G01F 1/00 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
G01P 5/00 - Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
G01F 1/66 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
G01P 5/08 - Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring variation of an electric variable directly affected by the flow, e.g. by using dynamo-electric effect
40.
METHOD FOR DETERMINING A GAS PHASE MASS FRACTION AND/OR GAS PHASE MASS FLOW RATE, OF A MULTI-PHASE MEDIUM COMPRISING A LIQUID PHASE AND A GAS PHASE FLOWING IN A MEASURING TUBE, AND MEASURING SENSOR FOR THIS PURPOSE
The invention relates to a method (300, 400) for determining a gas phase mass fraction or mass flow rate, of a multi-phase medium in a measuring tube which comprises a break-away edge exposed to an incident flow and three pressure tap points influenced differently by the break-away edge, said method comprising the steps of: determining a first pressure drop (310; 410) between a first and a second of the pressure tap points which are impinged by the flowing medium; determining a second pressure drop (310; 410) between two pressure tap points which are each impinged by the flowing medium, one of the pressure tap points for determining the second pressure drop being a third of the at least three pressure tap points; and determining the mass fraction (330) or the mass flow rate (460) of the gas phase by means of the pressure drops, the first pressure tap point being arranged upstream of the break-away edge and both the second pressure tap point and the third pressure tap point downstream thereof, one normal vector being substantially axis-parallel to the second pressure tap point and one normal vector being perpendicular to the third pressure tap point, the second and the third pressure tap point being positioned approximately equally in the measuring tube longitudinal direction, the second pressure tap point being positioned at or close to a pressure minimum.
G01F 1/36 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction
G01F 1/40 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction - Details of construction of the flow constriction devices
G01F 1/74 - Devices for measuring flow of a fluid or flow of a fluent solid material in suspension in another fluid
G01F 1/88 - Indirect mass flowmeters, e.g. measuring volume flow and density, temperature, or pressure with differential-pressure measurement to determine the volume flow
G01F 15/04 - Compensating or correcting for variations in pressure, density, or temperature of gases to be measured
41.
ULTRASONIC SENSOR FOR AN ULTRASONIC MEASURING DEVICE, AND ULTRASONIC MEASURING DEVICE
The invention relates to an ultrasonic sensor (10) for an ultrasonic measuring device (1), comprising: a transducer arrangement (11) for generating and capturing ultrasonic signals with at least one piezo element (11.1), wherein the at least one piezo element is configured, by means of electrodes (11.3), to convert between electrical signals and ultrasonic signals and vice versa; a coupling body (12) for transmitting the ultrasonic signals between a first side surface (12.1) and a second side surface (12.2) of the coupling body, wherein at least one piezo element is arranged on the first side surface, wherein the transducer arrangement has an arrangement amplitude response, characterized in that the arrangement amplitude response is composed of at least two partially overlapping partial amplitude responses (30), wherein different partial amplitude responses that are adjacent in terms of the frequency ranges thereof have a maximum distance, in terms of the central frequencies (32) thereof, from a mean value of the bandwidths thereof multiplied by a factor F, where F is at most 2, and where F is at least 0.2.
G01F 1/66 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
G01F 1/667 - Arrangements of transducers for ultrasonic flowmeters; Circuits for operating ultrasonic flowmeters
42.
TEST MODULE, TEST SYSTEM AND TEST ARRANGEMENT FOR A BASE MODULE AND/OR A MEASURING SYSTEM ELECTRONICS UNIT OF A MODULAR VIBRATORY MEASURING SYSTEM
The test module (PM) according to the invention is designed to be inserted into, and to be releasably mechanically connected to, a base module (M1) of a vibratory measuring system, said base module being electrically connected to a measuring system electronics unit (ME). The test module (PM) comprises a support element (41) and at least one test element (42) that is mechanically connected to the support element (41) and is intended for generating and/or detecting a magnetic field. The test module (PM) can also be used to form a test system and a test arrangement for a base module (M1) and/or for a measuring system electronics unit (ME), connected to said base module, of a modular vibratory measuring system. Moreover, the test module or a test system or test arrangement formed thereby can also be used to start up and/or to check or test such a modular vibratory measuring system.
The invention relates to a Coriolis mass flow meter (1) comprising: at least one first oscillatory measuring tube (10) for guiding a medium; at least one support body (46), the at least one first measuring tube (10) being connected to the support body (46) on the inlet side and on the outlet side; at least one exciter (30) for exciting at least one bending vibration mode of the at least one first measuring tube; at least two vibration sensors (31, 32) for detecting vibrations of the at least one first measuring tube (10); and at least one first reinforcing body (20) which is fastened to a lateral surface of the at least one first measuring tube (10) and surrounds the at least one first measuring tube (10), the at least one first reinforcing body (20) having, at least in sections, a helical course with a plurality of windings, the distance between two adjacent windings of the reinforcing body (20) being not less than twice, for example not less than four times, and in particular not less than eight times the material thickness of the reinforcing body (20) in the region of the windings.
The invention relates to a method for distinguishing between the presence of a foreign body (22) or a gas bubble (21) in a flowable medium (1) in a pipeline (7) or a container. Received microwave signals (MWE) are evaluated, wherein mechanical vibrations are introduced into the medium, by means of which vibrations a gas bubble (21) present in the medium is set into vibration. A gas bubble (21) is detected only in the event that, when mechanical vibrations are introduced, the received microwave signals (MWE) or the value derived therefrom is/are modulated; otherwise, a foreign body (22) is detected. The invention also relates to a system which is suitable for carrying out the method according to the invention.
G01N 22/00 - Investigating or analysing materials by the use of microwaves or radio waves, i.e. electromagnetic waves with a wavelength of one millimetre or more
G01N 27/22 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
45.
METHOD FOR OPERATING AN ULTRASONIC MEASURING DEVICE, AND AN ULTRASONIC MEASURING DEVICE
The invention relates to a method (100) for operating an ultrasonic measuring device (1) comprising: an arrangement (10) of ultrasonic transducers (20) for emitting and receiving ultrasonic signals along at least two signal paths (30) through a fluid, wherein the arrangement is held by a holding apparatus (50) having at least one wall (51), wherein sections of the signal paths run through at least one of the at least one wall, wherein signal path sections (31) of at least two signal paths in the fluid are of different length, characterized in that an electronic measuring/operating circuit (40) of the ultrasonic measuring device, in a first method step (101), compares intensities of ultrasonic signals along signal paths having signal path sections of different length in the fluid and, in a second method step (102), determines a damping property of the fluid and an acoustic coupling property between the wall and the fluid therefrom.
G01F 1/66 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
d11 d22 dd2 d11 d22 d11 d22 2 , wherein the measurement pipe (10) is designed in such a way that, when the measurement pipe (10) vibrates in an, in particular smallest, in-plane mode, a deflection direction of the measurement pipe (10) is oriented in parallel with the first coil axis (A) in a region of the excitation magnet (36) and/or the sensor magnet (38).
A vibronic sensing element (1) comprises: an oscillator (10) with a measuring tube (10.1, 10.2) for guiding a medium; an electrodynamic exciter arrangement (11) for exciting the oscillator (10) to bring about bending vibrations of the measuring tube (10.1, 10.2); sensor arrangements (12a, 12b) for detecting the bending vibrations of the measuring tube (10.1, 10.2); and a measuring and operating circuit (70) configured to apply exciter signals to the exciter arrangement (11), detect sensor signals of the sensor arrangements (12a, 12b), and determine a density measurement value or mass flow rate measurement value, the exciter arrangement comprising a first and a second exciter assembly (11.1, 11.2), the first exciter assembly (11.1) being fastened to the measuring tube (10.1) and having a center of gravity located in a measuring tube transverse plane (EQ), in respect of which the measuring tube (10.1, 10.2) has a mirror symmetric profile; the exciter arrangement (11) comprising a first and a second electrodynamic exciter (15, 18) and a first compensation mass body (19.1, 19.2), the first exciter assembly in each case comprising a first component of the first and second exciters and the first compensation mass body, with the second exciter assembly in each case comprising second components of the first and second exciters, the first exciter (18.1) being configured to exert an exciter force (FE1) on the measuring tube (10.1, 10.2), said exciter force acting symmetrically with respect to the measuring tube transverse plane between the components of the first electrodynamic exciter, the second electrodynamic exciter being configured to exert a second exciter force (FE2) on the measuring tube (10.1, 10.2), said second exciter force acting between the components of the second electrodynamic exciter and offset to the measuring tube transverse plane (EQ), with the measuring and operating circuit (70) being configured to apply a first exciter signal with the eigenfrequency of a symmetric vibration mode only to the first exciter and apply a second exciter signal with the eigenfrequency of an antisymmetric vibration mode only to the second exciter.
The invention relates to a securing part (10) for a housing, wherein the securing part (10) is ring-shaped and extends around a longitudinal axis (A1), wherein the securing part (10) has a first edge (11) and a second edge (12) opposite the first edge (11), wherein the first edge (11) has at least two bayonet grooves (20, 200) which are suitable for securing the securing part (10) to the housing, wherein the bayonet grooves (20, 200) extend along the longitudinal axis (A1) and about the longitudinal axis (A1) transverse to the longitudinal axis (A1), wherein the bayonet grooves (20, 200) each have an inlet (21, 221), a ridge, a stop and a groove base with a groove depth, wherein the stop limits the bayonet grooves (20, 200) in their extension about the longitudinal axis (A1), wherein the ridge is arranged on the groove base between the inlet (21, 221) and the stop and extends from the groove base radially relative to the longitudinal axis (A1) and at a predetermined height.
The invention relates to an electric lead-through (20) for an electronic housing (10), comprising: - a first stop element (21) with at least one first through-hole (22), - a second stop element (23) with at least one second through-hole (24), - an elastic element (25) which extends between the first stop element (21) and the second stop element (23) along a first axis (A1), and - at least one electric contact element (26) with a first end (27) and a second end (28) lying opposite the first end (27), wherein the first end (27) is movably arranged in the first through-hole (22) and/or the second end (28) is movably arranged in the second through-hole (24). The elastic element (25) is suitable for deforming when the first stop element (21) and the second stop element (23) are moved relative to each other, said first stop element (21) and second stop element (23) each being suitable for being fixed to the electronic housing (10).
The invention relates to a device for determining a flow rate-dependent variable of a flowable and conductive medium in a guide body (1) for guiding the medium, in particular a measuring pipe or a pipeline, comprising: – a magnetic field-generating device (2) for generating a first magnetic field, which separates mobile charge carriers in the medium; – a magnetic field-sensitive measuring arrangement for determining a second magnetic field, which is generated by the mobile charge carriers, the magnetic field-sensitive measuring arrangement comprising a first magnetic field-sensitive measuring device (3.1) comprising a magnetic field-sensitive and optically excitable material, the magnetic field-sensitive measuring arrangement having at least one optical excitation unit (4) for the optical excitation of the first magnetic field-sensitive measuring device and an optical detection unit (5) for detecting a measurement signal, in particular a fluorescence signal, which correlates with a change and/or a strength of the second magnetic field; and – an evaluation circuit (6) configured to determine the flow rate-dependent variable, measurement signals of at least two different magnetic field states influencing the determination of the flow rate-dependent variable.
G01F 1/58 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects by electromagnetic flowmeters
G01F 25/10 - Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters
G01R 33/032 - Measuring direction or magnitude of magnetic fields or magnetic flux using magneto-optic devices, e.g. Faraday
51.
DEVICE FOR DETERMINING A FLOW-VELOCITY-DEPENDENT VARIABLE OF A FREE-FLOWING MEDIUM
The invention relates to a device for determining a flow-velocity-dependent variable of a free-flowing medium in a guide body (1) for guiding the medium, in particular in a measuring tube or pipeline, said device comprising: - a magnetic-field-generating device (2) for generating a first magnetic field which separates movable charge carriers in the medium; - a magnetic-field-sensitive measuring assembly, which is designed to provide a measurement signal, in particular a fluorescence signal, which correlates with a change and/or a strength of a second magnetic field generated by the movable charge carriers, said magnetic-field-sensitive measuring assembly (3) comprising at least one magnetic-field-sensitive measuring device (3), the at least one magnetic-field-sensitive measuring device (3) comprising an optically excitable material, and said magnetic-field-sensitive measuring assembly having an optical excitation unit (4) for optically exciting the magnetic-field-sensitive measuring device (3), in particular the optically excitable material, and an optical detection unit (5) for detecting the measurement signal, in particular the fluorescence signal; - an evaluation unit (6), which is designed to determine the flow-velocity-dependent variable of the medium at least by means of the measurement signal provided by the magnetic-field-sensitive assembly and the conductivity of the medium.
G01F 1/58 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects by electromagnetic flowmeters
G01R 33/032 - Measuring direction or magnitude of magnetic fields or magnetic flux using magneto-optic devices, e.g. Faraday
The invention relates to a transmitter housing (1) of an automation field device, wherein the transmitter housing (1) is a single chamber housing with an aperture (3). The field device comprises a printed circuit board (2) arranged in the transmitter housing (1), the printed circuit board comprising: - a first rigid and flat section (21) and a second rigid and flat section (22); - at least one flexible and bent section (20a,…); wherein both rigid sections (21, 22) are connected to each other only via the at least one flexible, bent section (20a,…), wherein the first rigid section (21) is accessible from the aperture (3) and forms a connecting region comprising at least one connecting element (4) for connecting at least one cable, and wherein the first rigid section (21) and the second rigid section (22) are arranged relative to each other at a first angle (alpha) of between 60° and 120°, in particular between 80° and 100°.
The invention relates to a method (100) for operating a Coriolis meter (1), wherein the method comprises the following steps: recording the measurement voltages from the sensors and creating an asymmetry value sequence (AS) by means of the amplitudes of the measurement voltages for the purpose of diagnosing the Coriolis meter in a first method step (101), checking whether the asymmetry value sequence satisfies at least one invalidity criterion in a second method step (102), creating a stabilized asymmetry value sequence (SAS) on the basis of the asymmetry value sequence by replacing asymmetry measured values with substitute values in a third method step (103), wherein while an invalidity criterion is satisfied a last valid measured value of the asymmetry value sequence is used as the current value of the stabilized asymmetry value sequence, or the stabilized asymmetry value sequence is set to a predetermined value, a first invalidity criterion being based on a variance parameter of the asymmetry value exceeding a first limit value.
G01F 1/84 - Coriolis or gyroscopic mass flowmeters
G01F 15/00 - MEASURING VOLUME, VOLUME FLOW, MASS FLOW, OR LIQUID LEVEL; METERING BY VOLUME - Details of, or accessories for, apparatus of groups insofar as such details or appliances are not adapted to particular types of such apparatus
G01F 25/10 - Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters
The invention relates to a method (100) for operating a Coriolis mass flowmeter having at least one vibratable measuring tube for guiding a medium, the method comprising: exciting (110a) a first symmetrical bending vibration mode of the at least one measuring tube; exciting (110b) a second symmetrical bending vibration mode of the at least one measuring tube; determining (120a) a first mass flow rate measurement value on the basis of a first Coriolis deformation of the at least one measuring tube and a first stored mode-specific zero point error value; determining (120b) a second mass flow rate measurement value on the basis of a second Coriolis deformation of the at least one measuring tube and a second stored mode-specific zero point error value; and determining (130) a zero point deviation value of the mass flow rate measurement as a function of a deviation between the first mass flow rate measurement value and the second mass flow rate measurement value.
The invention relates to an automation field device (1), comprising: - a measuring tube (8) for conducting a flowable medium, said measuring tube (8) having an outer lateral surface (58), - a measuring assembly (3) for ascertaining a physical and/or chemical measurement variable of the medium, said measuring assembly (3) being at least partly arranged on the measuring tube (8), - a housing (5) for accommodating at least one electronic component (4), wherein the housing (5) is arranged on an outer lateral surface (58) and at least partly covers the measuring assembly (3), and the housing (5) has a housing wall (47) which, together with the outer lateral surface (58), delimits a housing interior (48), and - a molded body (13) for fixing the at least one electronic component (4) and/or the measuring assembly (3). The molded body (13) is arranged in the housing interior (48), and the molded body (13) has an outer molded body lateral surface (25). The outer molded body lateral surface (25), the housing wall (47), and in particular the outer lateral surface (58) delimit a seal seat (59), and a sealant (60), in particular a sealant which is applied in a liquid form, is arranged in the seal seat (59).
G01F 1/58 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects by electromagnetic flowmeters
The invention relates to a connection unit (3) for at least one vibration-tube module (2) of a modular measuring device (1) for determining the density of a measurement medium, comprising: a measurement-medium inlet (30), which extends along a first axis (A1); a measurement-medium outlet (31), which extends along a second axis (A2); at least a first vibration-tube inlet (32), which is fluidically connected to the measurement-medium inlet (30); at least a first vibration-tube outlet (33), which is fluidically connected to the measurement-medium outlet (31); wherein the measurement-medium inlet (30) and the measurement-medium outlet (31) are opposite from each other with respect to a first plane (E1), such that they are separated from each other, and are mechanically connected to each other by means of at least one support unit (50), and wherein the first axis (A1) and the second axis (A2) each form an angle of greater than 45° to the first plane (E1).
The invention relates to a magneto-inductive flow measurement device for determining a flow-rate-dependent measured variable for a flowable medium, comprising: a device (5) for producing a magnetic field, the device for producing the magnetic field comprising a coil arrangement (25); a device (8) for tapping off a measurement voltage induced in the flowable medium, in particular by means of two preferably diametrically arranged measurement electrodes (17, 18); an operating circuit (7) configured to apply an operating signal (11), in particular a voltage signal (12), to the coil arrangement (25), the operating signal (11) having operating signal parameters; and a controller circuit (10) configured to control at least one of the operating signal parameters in such a way that a controlled variable does not differ from a predefined setpoint value, the setpoint value comprising a magnetic field energy of proportional magnitude.
G01F 1/58 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects by electromagnetic flowmeters
FIELD DEVICE WITH A SENSOR FOR DETECTING A PHYSICAL MEASUREMENT VARIABLE, AND CLAMPING ELEMENT FOR SECURING A HOUSING OF A FIELD DEVICE TO A SENSOR NECK
The invention relates to a field device with a sensor for detecting a physical measurement variable, comprising a housing with a sensor neck (200) which is introduced into the housing (100). A rotationally symmetrical pin-shaped clamping element (300) is introduced into a receiving element of the housing (100) on a plane which is tangential to the rotational axis (RA) of the housing (100). The rotationally symmetrical pin-shaped clamping element (300) is designed such that, by being inserted into the receiving element (110), the clamping element exerts a clamping force in the radial direction between the receiving element (110) and the sensor neck (200) so that both a movement of the sensor neck (200) in the tubular section (100) of the housing (1) in the direction of the rotational axis (RA) as well as a rotation of the sensor neck (200) in the tubular section (100) of the housing (1) about the rotational axis (RA) are prevented.
F16B 21/12 - Means without screw-thread for preventing relative axial movement of a pin, spigot, shaft, or the like and a member surrounding it; Stud-and-socket releasable fastenings without screw-thread by separate parts with locking-pins or split-pins thrust into holes
F16B 21/16 - Means without screw-thread for preventing relative axial movement of a pin, spigot, shaft, or the like and a member surrounding it; Stud-and-socket releasable fastenings without screw-thread by separate parts with grooves or notches in the pin or shaft
F16B 35/04 - Screw-bolts; Stay bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
G01D 11/30 - Supports specially adapted for an instrument; Supports specially adapted for a set of instruments
G01D 21/00 - Measuring or testing not otherwise provided for
The invention relates to an automation field device (1), comprising: - a measuring tube (8) for carrying a free-flowing medium or a container (18) for storing the medium, - a measuring arrangement (3) for determining a physical and/or chemical measured variable of the medium, wherein the measuring arrangement (3) is at least partially arranged on the measuring tube (8) or on the container (18), - a housing (5) for accommodating at least one electronic component (4) for operating the measuring arrangement (3), controlling a controlled variable of the measuring arrangement (3), determining a measured value of the measured variable and/or evaluating the measured variable of the measuring arrangement (3), wherein the housing (5) is arranged on the measuring tube (8) or on the container (18), - at least one moulding (13), which is arranged in the housing (5), wherein the at least one moulding (13) has an at least partially elastically formed first portion (21), wherein the first portion (21) has a receptacle (19) with an undercut (20), wherein the at least one electronic component (4) is arranged with interlocking or frictional engagement in the undercut (20) and is held by the first portion (21).
G01F 1/58 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects by electromagnetic flowmeters
The invention relates to an automation field device (1), comprising: - a measuring tube (8) for conducting a flowable medium, - a measuring assembly (3) for ascertaining a physical and/or chemical measurement variable of the medium, said measuring assembly (3) being at least partly arranged on the measuring tube (8), and - a housing (5) for accommodating at least one electronic component (4) for operating the measuring assembly (3), regulating a control variable of the measuring assembly (3), ascertaining a measurement value of the measurement variable, and/or analyzing the measurement variable. The housing (5) is arranged on an outer lateral surface (58) of the measuring tube (8) and at least partly covers the measuring assembly (3), and the housing (5) has a housing wall (47) which, together with the outer lateral surface (58) of the measuring tube (8), delimits a housing interior (48). The housing wall (47) has a first edge section (61) which is at least partly in direct contact with the outer lateral surface (58) of the measuring tube (8), and the first edge section (61) is at least partly curved away from the housing interior (48). At least the first edge section (61) is braced together with the measuring tube (8) in a force-fitting manner.
G01F 1/58 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects by electromagnetic flowmeters
The invention discloses a sensor system (100), comprising a field device (1) which is designed to detect at least one measurement variable of a measurement medium, the field device (1) comprising a first housing (8), a data processing unit (2), which is arranged in the first housing (8), and a first plug-in connection (3) with a first electrical interface (4), wherein the first plug-in connection (3) is arranged on the first housing (8), and wherein the first electrical interface (3) is connected to the data processing unit (2); and a stick (11) comprising a second housing (18), a radio module (12), in particular a Bluetooth chip, which is arranged in the second housing (18), and a second plug-in connection (13) with a second electrical interface (14), wherein the second plug-in connection (13) is designed to complement the first plug-in connection (3), wherein the second plug-in connection (13) is arranged on the second housing (18), wherein the second electrical interface (14) comprises at least a first number of contacts (16) and a second number of contacts (17), wherein the first number of contacts (16) is connected to the radio module (12), and wherein the second number of contacts (17) is connected to an output (15) of the stick (11), in particular is channelled through the stick (11) starting from the second electrical interface (14).
G01F 1/32 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by detection of dynamic effects of the flow using swirl flowmeters
G01F 1/325 - Means for detecting quantities used as proxy variables for swirl
The invention relates to a conductivity sensor (3) for determining and/or monitoring an in particular specific electrical conductivity of a free-flowing medium (4) in a container (5), in particular in a tank or through a pipeline, comprising: - an excitation coil (6) for generating a magnetic field in the medium; - an operating circuit, which is designed to feed an electrical input signal into the excitation coil, the input signal being designed in such a way that the magnetic field thereby generated by means of the excitation coil (6) excites movable charge carriers in the medium (4) to move; - a magnetic field-sensitive unit (7), which is designed to provide a measurement signal, in particular a fluorescence signal, which correlates with a change and/or a strength of a magnetic field generated by the movable charge carriers of the medium (4), said magnetic field-sensitive unit (7) comprising a sub-unit (15), and said magnetic field-sensitive unit (7) having an optical excitation unit (9) for optical excitation of the sub-unit (15) and an optical detection unit (10) for detection of the measurement signal; and - an evaluation unit (8), which is designed to determine the in particular specific electrical conductivity of the medium at least by means of the measurement signal provided by the magnetic field-sensitive unit (7).
G01R 33/032 - Measuring direction or magnitude of magnetic fields or magnetic flux using magneto-optic devices, e.g. Faraday
G01R 33/00 - Arrangements or instruments for measuring magnetic variables
G01R 15/14 - Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
G01R 33/26 - Arrangements or instruments for measuring magnetic variables involving magnetic resonance for measuring direction or magnitude of magnetic fields or magnetic flux using optical pumping
G01R 27/00 - Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
G01N 27/06 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a liquid
64.
METHOD FOR OPERATING A CORIOLIS MEASUREMENT DEVICE
The invention relates to a method (100) for operating a Coriolis measurement device (1) for measuring a mass flow and/or a density of a medium flowing through a tube, wherein the Coriolis measurement device comprises: at least one measuring tube (10) for conducting a medium, at least one exciter (11) for exciting measuring tube oscillations, at least one first sensor (12.1) and at least one second sensor (12.2) for detecting measuring tube oscillations, an electronic measuring/operating circuit (77) for operating the exciter and for detecting and evaluating measuring signals of the sensors, wherein the method comprises the following steps: checking, in a first method step (101), whether one of the following variables of the medium: flow velocity or mass flow, exceeds a first threshold value and/or whether a variation of a measuring signal from an average value exceeds a second threshold value, in a second method step (102), if the first threshold value and/or the second threshold value is exceeded, increasing an oscillation amplitude of the measuring tube oscillations by a factor E by boosting exciter performance.
G01F 1/84 - Coriolis or gyroscopic mass flowmeters
G01F 25/10 - Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters
65.
ARRANGEMENT OF ULTRASONIC TRANSDUCERS, CLAMP-ON ULTRASONIC MEASURING DEVICE HAVING AN ARRANGEMENT OF THIS TYPE, AND METHOD FOR ADJUSTING THE ULTRASONIC MEASURING DEVICE
The invention relates to an arrangement (2) of ultrasonic transducers of a clamp-on ultrasonic measuring device (1), comprising at least one pair of ultrasonic transducers (10) which are arranged on the measurement tube, wherein: the ultrasonic transducers have, in a measurement arrangement (2.2), an axial arrangement distance (2.22) with respect to a measurement tube axis (21); an emitting transducer apparatus is designed to generate an ultrasonic signal field (13), which ultrasonic signal field has, in the coupling body, a first longitudinal axis (13.1) parallel to the transducer longitudinal axis; the ultrasonic signal field has an opening angle (13.2) in the medium; the first longitudinal axis defines a reference signal path (2.11); the reference signal path defines an axial reference distance (2.12) of the reference arrangement with respect to the centroids of the ultrasonic transducers; in the measurement arrangement, a measurement path (2.21) runs between the centroids; the axial arrangement distance is determined by the centroids; characterized in that the arrangement distance (2.22) is less than the reference distance (2.21), and a target difference between the reference distance and the arrangement distance is dependent on at least the following feature: opening angle of the ultrasonic signal field in the medium.
The invention relates to a flow conditioner comprising: a diffuser (100) having a guide vane (110) located inside the lumen (100*) thereof; a flow rectifier (200) having at least one disc-shaped flow obstruction (210) which is located inside the lumen thereof and has a plurality of flow openings; and a confuser (300). The diffuser, the flow rectifier, and the confuser are fluidically connected in series so as to form a flow path of the flow conditioner which extends from one (inlet-side) flow opening (100a) of the diffuser (100) to one (outlet-side) flow opening (300b) of the confuser (300) and involves the lumens (100*, 200*, 300*) of the diffuser, flow rectifier, and confuser. The guide vane (110) of the diffuser has at least one sleeve-shaped deflector vane (111) and a plurality of spaced-apart connecting elements (112) each connected both to the deflector vane (111) and to the wall (101) of the diffuser. The guide vane (110) is also designed and positioned such that the deflector vane (111) is spaced apart from the wall (101) of the diffuser and is coaxial with the lumen (100*) of the diffuser.
The thermal flowmeter according to the invention comprises the following: a measuring tube; a sensor comprising four probes, which are designed to heat the medium, determine the temperature thereof, or influence the flow of the medium in the measuring tube; and an electronic measuring/operating circuit, wherein the active bodies of the probes are designed to heat the medium, determined the temperature of the medium, and/or influence the flow of the medium in the measuring tube, and the main parts of the probes define a rhombus on the surface of the sensor main part. A first diagonal of the rhombus is parallel to the measuring tube axis, and a second diagonal lies in the measuring tube cross-section. A first probe and a second probe are designed to heat the medium, and at least a third probe is designed to determine the temperature of the medium. The first probe and the second probe are arranged on the first diagonal, and the at least one third probe is arranged on the second diagonal.
G01F 1/684 - Structural arrangements; Mounting of elements, e.g. in relation to fluid flow
G01F 1/69 - Structural arrangements; Mounting of elements, e.g. in relation to fluid flow using a particular type of heating, cooling or sensing element of resistive type
68.
CORIOLIS MASS FLOWMETER AND METHOD FOR MONITORING A CORIOLIS MASS FLOWMETER
A method (100) for monitoring a Coriolis mass flowmeter having at least one vibratable measuring tube for carrying a medium comprises: determining (110) a resonant frequency of a bending vibration useful mode of the Coriolis mass flowmeter; determining (120) a density measured value of a medium carried in the measuring tube on the basis of the resonant frequency; exciting (130) an out-of-resonance bending vibration using an excitation signal having an excitation signal amplitude and an excitation frequency that is µ times the resonant frequency of the bending vibration useful mode; capturing (140) a sensor signal and determining a sensor signal amplitude of the out-of-resonance bending vibration; determining (145) a value of an integrity function of the measuring tube that depends on a ratio of the sensor signal amplitude to the excitation signal amplitude of the bending vibration, characterized in that the integrity function also depends on a density-dependent term of a transfer function, wherein the density-dependent term of the transfer function models contributions of a plurality of vibration modes to the sensor signal, wherein the integrity function is traced back to reference conditions by means of the density-dependent term of the transfer function and/or indicates an integrity value which does not have any cross-sensitivities with respect to the density of the medium.
The invention relates to a measuring system comprising: a vibration-type transducer (10) having a tube assembly, an exciter assembly, and a sensor assembly; and measuring system electronics (20) which are electrically coupled to the exciter assembly and the sensor assembly. The measuring system electronics (20) are designed to energise vibration exciters (31, 32) of the exciter assembly in a first operating mode, specifically to input an electrical driver signal (e1 or e2) into each of the vibration exciters (31, 32), in such a way that the tubes (111, 112) of the tube assembly perform substantially opposite or out-of-phase forced mechanical vibrations with a vibration frequency predefined by the relevant driver signal (e1 or e2), and to receive and evaluate vibration measurement signals representing vibration movements of the useful vibrations. Moreover, the measuring system electronics (20) are designed to energise the vibration exciters (31, 32) in a second operating mode, specifically to input an electrical driver signal (e1 or e2) into each of the vibration exciters (31, 32), in such a way that the tubes (111, 112) of the tube assembly perform substantially in-phase forced mechanical vibrations with a vibration frequency predefined by the relevant driver signal (e1 or e2), and to receive and evaluate vibration measurement signals representing vibration movements of the useful vibrations.
G01F 1/84 - Coriolis or gyroscopic mass flowmeters
G01N 9/00 - Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
G01N 11/16 - Investigating flow properties of materials, e.g. viscosity or plasticity; Analysing materials by determining flow properties by moving a body within the material by measuring damping effect upon oscillatory body
G01F 25/10 - Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters
70.
HOUSING OF A FIELD DEVICE IN MEASUREMENT AND AUTOMATION TECHNOLOGY, AND FIELD DEVICE OF THIS TYPE
The invention relates to a housing (10) of a field device (1), comprising: a housing body (11) with a housing wall (11.1), a cover (12), which has been inserted into an opening (11.2) in the housing wall, wherein the cover has an annular body (12.1) and a disc (12.2), wherein the disc has two opposite side faces (12.21) and a rim (12.22) connecting the side faces, characterized in that the rim has a disc groove (12.221) encircling the disc, wherein the annular body has, on an inner side, a body groove (12.11), wherein the body groove engages around the disc groove, wherein the body groove and the disc groove form a first corridor (13.1), wherein the first corridor has been filled with potting compound and/or wherein a cable or a plurality of balls have been inserted into the corridor.
The invention relates to a protective hood (10) designed for a measurement/automation field device (1). The protective hood has a longitudinal axis (10.1) and a hood wall (11), which has an open first end (11.1) and a closed second end (11.2) and forms a hood chamber (11.3). The hood chamber is designed, in particular, to receive an electronics housing (20) of the field device along the longitudinal axis via the open first end. The protective hood has at least one fastening apparatus (12), which is designed, in particular, to be brought into mechanical contact with the electronics housing. Without an application of force, the protective hood has a first shape (13.1) in which the fastening apparatus is at a first distance (14.1) from the longitudinal axis. The protective hood is characterized in that it can be elastically deformed, by an application of force, into a second shape (13.2) in which the fastening apparatus is at a second distance (14.2) from the longitudinal axis, the second distance being greater than the first distance.
The invention relates to a high-frequency plug connection for high-frequency-based field devices (1), consisting of plugs (100) and corresponding sockets (100'). The high-frequency plug connection is characterised in that the at least one plug (100) is resiliently enclosed by an enclosure (11) such that this/these plug(s) (100) is/are moveable radially with respect to its/their plugging axis (A). This has the advantage of reducing the risk of jamming against the enclosure (11) when the plugs (100) are inserted in the corresponding sockets (100'), during fastening of the circuit board substrate (10) on which the sockets (100') are arranged. A modular design of the high-frequency-based field device (1), and the manufacturability thereof, are simplified as a result.
nMM) of the medium taking into consideration a gas load that may be present; and determining a characteristic property (a, b, w) of the at least one measuring tube on the basis of the eigenfrequencies of the three oscillation modes.
G01N 9/00 - Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
G01N 11/16 - Investigating flow properties of materials, e.g. viscosity or plasticity; Analysing materials by determining flow properties by moving a body within the material by measuring damping effect upon oscillatory body
G01F 1/84 - Coriolis or gyroscopic mass flowmeters
74.
MODULAR MEASURING DEVICE FOR DETERMINING THE DENSITY OF A MEASUREMENT MEDIUM
The invention relates to a modular measuring device (1) for determining the density of a measurement medium, said measuring device comprising a support module (10), a first measuring tube module (20), and at least one further measuring tube module. The support module (10) has: a receptacle (11) for detachably fixing the measuring tube modules (20); a contactless temperature sensor (12); a primary exciter component (13); and a primary sensor component (14). Each measuring tube module (20) has: a restraint (21) that is complementary to the receptacle (11) of the support module (10); a vibrating tube (22); a secondary exciter component (23) that is complementary to the primary exciter component (13); and a secondary sensor component (24) that is complementary to the primary sensor component (14). Each vibrating tube (22) of the measuring tube modules (20) has a different tube diameter, a straight first tube leg, a straight second tube leg, a curved first tube bend, and a curved second tube bend.
The measuring device comprises a measuring transducer, which can be used to generate at least one measurement signal (s1, s2) that corresponds to the at least one measurement variable, and a measuring device electronic unit, which is electrically connected to the measuring transducer and can be used to process the at least one measurement signal (s1, s2). The measuring transducer has a (transducer) protection housing (1000), two connection connectors (100, 400), each of which comprises a respective lumen that is encased by a wall made of metal and extends from a first respective flow opening located in a respective connector end (100+) to a respective second flow opening located in a respective connector end (100#), and a fluid line (200) which comprises a lumen that is encased by a wall and extends from a first flow opening located in a line end (200+) to a second flow opening located in a line end (200#). The line end (200+) of the fluid line (200) is connected to the line end (100#) of the connection connector (100), and the line end (200#) of the fluid line is connected to the line end (400#) of the connection connector (400). The (transducer) protection housing (1000) has a cavity which is encased by a wall and within which the fluid line (200) is placed. One housing end (1000+) of the protection housing (1000) is formed by the connection connector (100), and one housing end (1000#) of the (transducer) protection housing (1000) is formed by the connection connector (400) such that the protection housing (1000) has a lateral wall which at least partly delimits the cavity laterally and which is connected to the line end (100#) of the connection connector (100) as well as to the line end (400#) of the connection connector (400) in a fixed and bonded manner in each case. At least the connection connector (100) of the measuring device according to the invention has a metal compensator (110) in a region located between the connector end (100+) and the connector end (100#), which forms the housing end (1000+).
G01F 15/18 - Supports or connecting means for meters
G01F 1/58 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects by electromagnetic flowmeters
G01F 1/66 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
G01F 1/84 - Coriolis or gyroscopic mass flowmeters
A method for testing a device under test, the device under test being a measuring Instrument to measure a physical parameter of a fluid, includes: performing a plurality of valid test runs, wherein a valid test run includes: exposing the device under test and a reference measuring Instrument to the fluid under a set of influences, the set of influences being defined by influence Parameters; monitoring the influence Parameters; obtaining a reference value for the physical parameter from the reference measuring Instrument; and obtaining a test value for the physical parameter from the device under test, wherein a test run is invalidated if influence Parameters do not meet specified test requirements for the influence Parameters; and then evaluating a plurality of test values originating from the plurality of valid test runs with respect to at least one of accuracy, repeatability and reproducibility.
G01F 25/10 - Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters
77.
CORIOLIS MASS FLOW METER AND METHOD FOR DETERMINING VARIABLES INFLUENCING THE TOTAL ZERO POINT ERROR OF THE METER, METHOD FOR DETERMINING THE TOTAL ZERO POINT ERROR AND OPERATING METHOD FOR SAME
A method for determining variables influencing a total zero point of a Coriolis mass flow meter comprises: exciting a vibration of a bending vibration mode; measuring a first total zero point error (T) at a flow rate of zero; determining a first damping value (D) of the vibration of the bending vibration mode; measuring a zero point error (I) which is independent of the exciter during a decaying vibration of the bending vibration mode at a flow rate of zero; determining a first exciter-dependent contribution (E) to the first total zero point error (T) using the first total zero point error (T) and using the zero point error (I) which is independent of the exciter; and determining a sensitivity factor (S) for the bending vibration mode using the first exciter-dependent contribution (E) to the total zero point error (T) and using the first damping value (D).
The invention relates to a modular Coriolis flowmeter for determining a process variable of a flowable medium, comprising: - a measuring tube module (4), said measuring tube module (4) having at least one measuring tube (3) for conducing the medium, at least one excitation magnet (36) of a vibration excitation element for exciting the at least one measuring tube, and at least one sensor magnet (38) of a vibration sensor for detecting a vibration of the at least one measuring tube (3), - a receiving module (16) with a receiving area (23) for the measuring tube module (4), wherein the measuring tube module (4) can be releasably connected to the receiving module (16), and the receiving module (16) has at least one excitation coil of the vibration excitation element, said receiving module having at least one sensor coil (39) of the vibration sensor; - a measuring and/or operating circuit (15), and - a switch device (107). The switch device (107) is arranged on the receiving module (16), and the switch device (107) has switching means (108) which are designed to switch in the event of a magnetic field generated by the at least one excitation magnet (36) and/or the at least one sensor magnet (38).
The invention relates to a method for determining a coating property of a changeable coating on an end face of a first microwave antenna of an assembly (100) for determining a medium property of a medium, in particular a multi-phase medium, to be conducted, the first microwave antenna (120) being arranged, in particular in contact with the medium, in a first receptacle of the measuring tube (110), the method comprising the method steps of: - emitting an exciter signal by means of the first microwave antenna (120), the exciter signal comprising a sequence of high-frequency signals; - receiving a reflecting exciter signal by means of the first microwave antenna (120); - determining a first test variable using the reflected exciter signal; and - determining the coating property of the changeable coating, in particular a variable dependent on a coating thickness of the changeable coating, using the first test variable.
G01F 1/74 - Devices for measuring flow of a fluid or flow of a fluent solid material in suspension in another fluid
G01N 22/00 - Investigating or analysing materials by the use of microwaves or radio waves, i.e. electromagnetic waves with a wavelength of one millimetre or more
G01N 33/00 - Investigating or analysing materials by specific methods not covered by groups
The invention relates to a magnetic-inductive flow meter (1) comprising: a measuring tube (2) for conducting a medium in a flow direction, said measuring tube (2) comprising a measuring tube body (32) which is designed to be electrically insulating in some sections; a device (5) for generating a magnetic field that passes through the measuring tube body (32); a device (8) for detecting a flow speed-based voltage induced in the medium; and a monitoring device (6) for detecting damage to the measuring tube body (32), wherein the monitoring device (6) comprises at least one electrically conductive conductor (7), and the conductor (7) is at least partly separated from the measuring tube volume by a region of the measuring tube body when the measuring tube body is intact. The monitoring device (6) comprises a measuring circuit (11), said measuring circuit (11) being electrically connected to the at least one conductor (7) and being designed to measure measurement values of a measurement variable which is at least based on the impedance of the at least one conductor, and the measuring circuit is designed to compare each measurement value with a reference value or a target value range.
G01F 1/58 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects by electromagnetic flowmeters
G01F 25/10 - Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters
81.
SENSOR FOR DETECTING PRESSURE FLUCTUATIONS IN A FLOWING FLUID, AND MEASUREMENT SYSTEM FORMED THEREWITH
The sensor comprises a deformation body (111) that is flat at least in some portions and that has a planar surface (111+) and an opposite planar surface (111#), a sensor vane (112) extending starting from the first surface (111+) of the deformation body, a connection sleeve (113) extending starting from the deformation body, a converter element (12), which is arranged within the connection sleeve (113) and contacts the surface (111+) of the deformation body with a contact face, for generating an electric sensor signal representing movements of the sensor vane that change over time and/or deformations of the deformation body that change over time, and also fastening means, which are positioned within the connection sleeve (113) and are mechanically connected thereto, for fixing the converter element (12) in the connection sleeve (112). The fastening means (13) of the sensor according to the invention comprise a spring assembly (131) which is formed by means of at least two plate springs layered one above the other, the plate springs being elastically deformed so as to exert a pressing force that holds the converter element pressed against the deformation body.
G01F 1/325 - Means for detecting quantities used as proxy variables for swirl
G01F 1/32 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by detection of dynamic effects of the flow using swirl flowmeters
The invention relates to adjusting high-frequency-based field devices (1, 1'). To this end, a first switching unit (17) is provided, which is arranged between the antenna assembly (10, 10', 11) and the transmission amplifier (16) or the receiving amplifier (16') of the field device (1, 1'). In order to determine the corresponding adjustment factors (ŝi,j), the first switching unit (17) can, according to the invention, assume those switching positions (i, j = THRU, ATN) in which the signal-generating unit (12) and/or the evaluation unit (14) are each/is connected to the antenna assembly (10, 10', 11) (i, j = THRU), and in which the transmission path (13) and/or the reception path (15) are/is connected to a damping element via which the transmission path (13) can be connected to the reception path (15) (i, j = ATN). An evaluation unit (14) of the field device (1, 1') ascertains, at least in each of these switching positions (i, j = THRU, ATN), the corresponding characteristic variable (si,j), in order to use same in the subsequent measuring operation as an adjustment factor (ŝi,j). The advantage of this type of adjustment according to the invention is that potential couplings of the amplifiers (16, 16') can be compensated for.
The invention relates to an antenna (10, 10') for high-frequency-based measurement devices (1) which determine the dielectric values of media (2). In order to transmit and/or receive the corresponding high-frequency signals (SF, EHF), the antenna (10, 10') is based on a high-frequency waveguide (100). The high-frequency signal (SHF, EHF) is coupled in and out by means of a coaxial conductor (101) which extends orthogonally through the axis (a) of the high-frequency waveguide (100) for this purpose. The conductor terminal (1012) of the coaxial conductor (101) projects beyond the high-frequency waveguide (100) so far (I) that the coaxial conductor (101) creates a defined capacitance (C) in this region. The coaxial conductor (101) is thus optimally adapted to the high frequency of the high-frequency waveguide (100) without the need to integrate additional electrical components for this purpose. The result is an antenna (10, 10') which is efficient at high frequencies and can be produced easily owing to its few components (100, 101).
G01N 22/00 - Investigating or analysing materials by the use of microwaves or radio waves, i.e. electromagnetic waves with a wavelength of one millimetre or more
H01P 5/10 - Coupling devices of the waveguide type for linking lines or devices of different kinds for coupling balanced with unbalanced lines or devices
84.
METHOD FOR OPERATING A THROUGH-FLOW MEASURING DEVICE, AND MEASURING SYSTEM
The invention relates to a method for operating a through-flow measuring device (8) which is integrated into a process system. The method has the steps of: generating and detecting a diagnostic response signal; determining a current value (HBSI_ak) for a diagnostic measurement variable which influences a calibration factor, in particular a diagnostic measurement variable which is substantially proportional to a calibration factor, from the diagnostic response signal; and ascertaining the current degree of measurement precision (Delta_ak) for a measurement value, which can be determined using the through-flow measuring device (8), for the measurement variable on the basis of at least one comparison between a stored reference value (HBSI_ref) for the diagnostic measurement variable and the current value (HBSI_ak) for the diagnostic measurement variable. The invention additionally relates to a measuring system comprising the through-flow measuring device (8).
G01F 1/66 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
G01F 1/696 - Circuits therefor, e.g. constant-current flow meters
85.
MEASURING DEVICE AND METHOD FOR DETERMINING AN ABRASION
The invention relates to a measuring device (1), comprising: - a measuring tube (6) for guiding a pourable medium, wherein the measuring tube (6) has an inner lateral surface (20), wherein the inner lateral surface (20) is designed to be at least partially electrically insulating; - at least one monitoring electrode (7), wherein the at least one monitoring electrode (7) is arranged on the electrically insulating portion of the inner lateral surface (20) so as to be in contact with the medium; - a measuring device (2) for determining a process property of the medium; - an abrasion detecting device (9) which is designed to determine at least one variable at the at least one monitoring electrode (7), which variable corresponds to an abrasion of the monitoring electrode (7); and to a method for determining an abrasion.
G01F 1/58 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects by electromagnetic flowmeters
The invention relates to a process monitoring device comprising: - a measuring tube assembly (4) with at least one measuring tube (3) through which a medium can flow; - a receiving moule (16) with a receiving area (23), wherein the measuring tube module (4) can be inserted into the receiving area (23) and can be connected to the receiving module (16) in a mechanically releasable manner; and - a system (74) for biotechnical applications, said system (74) having a housing (75). The housing (75) has a housing wall (76) which delimits a housing interior (77), and the housing wall (76) has a cover (78), said cover (78) having a cover opening (79). The receiving module (16), in particular the receiving area (23), extends into the housing interior (77) through the cover opening (79), and the receiving area (23) extends in a receiving direction (115). The receiving module (16) is arranged in the cover opening (79) such that the receiving direction (115) has a vectorial component with a direction opposite the direction of gravity. The receiving module (16) is arranged in the cover opening (79) such that when the measuring tube module (4) is emptied, the dead volume in the at least one measuring tube (3) and/or in a distributor piece attached to the at least one measuring tube (3) is less than 20%.
The invention relates to a method for determining a coating property of a variable coating on an inner lateral surface of a measurement tube (110) of a measurement arrangement (100) for determining a medium property of a medium to be conducted, the measurement arrangement (100) having a first microwave antenna (130), which is arranged in a first receptacle of the measurement tube (110), the measurement arrangement (100) having a second microwave antenna (131) which is arranged in particular diametrically in relation to the first microwave antenna (130) and which is arranged in a second receptacle of the measurement tube (110), in particular in a manner touching the medium, the method comprising the following method steps: - emitting an exciter signal by means of the first microwave antenna (130), the exciter signal comprising a sequence of high-frequency signals; - receiving the exciter signal by means of the second microwave antenna (131); - determining a first test variable on the basis of the exciter signal received and/or on the basis of a transform, in particular an integral transform, of the exciter signal received, the first test variable being characteristic for the propagation of the exciter signal along a first propagation path, the first propagation path describing an at least proportional propagation of the exciter signal through the variable coating on the inner lateral surface; and - determining the coating property of the variable coating, in particular a variable dependent on a coating thickness of the variable coating, on the basis of the first test variable.
G01F 1/74 - Devices for measuring flow of a fluid or flow of a fluent solid material in suspension in another fluid
G01N 22/00 - Investigating or analysing materials by the use of microwaves or radio waves, i.e. electromagnetic waves with a wavelength of one millimetre or more
G01N 33/00 - Investigating or analysing materials by specific methods not covered by groups
88.
VORTEX FLOW METER AND METHOD FOR TESTING A VORTEX FLOW METER
The invention relates to a vortex flow meter (1), comprising: - a measuring tube (10); - a blocking element (20) arranged in the measuring tube; - a sensor device (30), wherein the sensor device has a paddle (31), a sensor main body (32) and a piezo element (33); and - an electronic operational circuit (40), wherein the electronic operational circuit has a measuring circuit (50) comprising an operational amplifier (51) and a first capacitor (52.1), wherein the first capacitor (52.1) forms a feedback between the output and the measuring input, wherein a first reference voltage (RS1) can be applied to the reference input (51.2), wherein the measuring circuit has a first switch (53.1), wherein the electronic operational circuit (40) is designed to connect the piezo element to the measuring input of the operational amplifier via the first switch (53.1) by means of a first switch position (53.11) and to charge the piezo element with a first charging voltage by means of a second switch position (53.12), and wherein the electronic operational circuit derives information regarding a state of the piezo element from a discharging process of the piezo element.
G01F 1/32 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by detection of dynamic effects of the flow using swirl flowmeters
G01F 1/325 - Means for detecting quantities used as proxy variables for swirl
G01F 25/00 - Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
The invention relates to a process monitoring device, comprising: - a measuring tube module (4) having a first measuring tube (3) through which a medium can flow; - a receiving module (16) having a receptacle (23), wherein the measuring tube module (4) can be introduced into the receptacle (16) and the measuring tube module (4) can be connected to the receiving module (16) in a mechanically separable manner; and – a system for biotechnical applications (74), wherein: the system (74) has a housing (75); the housing (75) has a housing wall (76) which delimits a housing interior (77); the housing wall (76) has a covering (78); the covering (78) has an opening (79); the receiving module (16), more particularly the receptacle (23), extends through the opening (19) into the housing interior (77).
The invention relates to a method (100) for classifying deposits in a measuring tube, said method comprising: determining a damping value (110) for at least one oscillation mode of an oscillator with at least one measuring tube of a Coriolis mass flow rate sensor for guiding a medium; determining a modal rigidity value (120) for at least one oscillation mode; and classifying a deposit (150) as a function of the damping value and the rigidity value.
The invention relates to a modular Coriolis flowmeter, comprising: - a measuring tube module (4), said measuring tube module (4) having at least one measuring tube (3) for conducing the medium, at least one excitation magnet (36) of a vibration excitation element for exciting the at least one measuring tube (3), and at least one sensor magnet (38) of a vibration sensor for detecting a vibration of the at least one measuring tube (3), and - a receiving module (16) with a receiving area (23) for receiving the measuring tube module (4), wherein the receiving module (16) has at least one excitation coil (37) of the vibration excitation element and at least one sensor coil (39) of the vibration sensor, and the receiving module (16) comprises a receiving module body (22) which has a ferromagnetic material in at least some sections. The receiving module body (22) has at least one opening (79), and a coil mounting (109) for the excitation coil (37) and/or the sensor coil (39) is arranged in the at least one opening (79). The coil mounting (109) comprises a coil mounting body (110), and the coil mounting body (110) has an electrically insulating material.
The invention relates to a method (100) used to determine a density measurement value of a medium by means of a Coriolis mass-flow measuring transducer (10) having two oscillators (12, 14) with pairs of measurement tubes (12a, 12b, 14a, 14b), which pairs are disposed one above the other. The measurement tubes (12a, 12b, 14a, 14b) are fluidically parallel and lead, on the inlet side and outlet side, into collectors (18). The mounting of the measuring transducer in the tube line causes mechanical stresses, which influence the oscillators via the collectors. The medium is conducted in the measurement tubes. The method (100) comprises the following steps: (110) inducing at least one mode of oscillation of the first oscillator and at least one mode of oscillation of the second oscillator; (120) ascertaining the natural frequency of each of the induced modes of oscillation; (130) ascertaining respective provisional density measurement values on the basis of the respective natural frequencies; (140) ascertaining a deviation between the provisional density measurement values; and (150) ascertaining a corrected density measurement value by means of a model which, on the basis of the deviation, ascertains and corrects for the influence of the mechanical stresses on the density measurement.
The measuring sensor comprises a receiver module (M1), which has a receiver housing (11) with at least one chamber (11*), which is at least partially encased by a housing wall (11+), and at least one electric coil (12), which is placed within the chamber (11*) of the receiver housing and is mechanically connected at least indirectly to the housing wall (11+), and also a receiver module (M2), which is inserted into the receiver module (M1) and has at least one tube (21), with a tube wall (21+) forming an outer lateral surface of the tube and with a lumen (21*) encased by said tube wall, and also at least one permanent magnet (22), which is fixed externally to a middle segment of the tube wall. The measuring sensor has virtual reference axes, of which one reference axis (z) notionally connects flat cross-sectional areas of the middle segment comprising centre points of flow cross-sections (A1, A2) at the ends of the middle segment, one reference axis (x1) is coincident with a longitudinal axis of the electric coil, one reference axis (x2) is coincident with a longitudinal axis of the permanent magnet, one reference axis (y1) intersects both the reference axis (z) and the reference axis (x1) at right angles, and one reference axis (y2) intersects both the reference axis (z) and the reference axis (x2) at right angles. The tube wall is shaped such that a directrix (L) of a channel surface of the middle segment (also) in a static rest position runs at least in part outside a virtual first reference plane (yz1) of the measuring sensor spanned by the reference axes (z, y1). In addition, the permanent magnet is attached to the middle segment such that, in the static rest position of the tube, a virtual reference plane (xy1) of the measuring sensor spanned by reference axes (x1, y1) is parallel to a virtual reference plane (xy2) of the measuring sensor spanned by the reference axes (x2, y2), or such that, in the static rest position of the tube, the reference planes (xy1, xy2) notionally intersect one another, thus forming a (minimal) angle of intersection (α), which angle of intersection is no more than 1°.
The invention relates to a method (100) for operating a Coriolis measuring device (1), wherein the Coriolis measuring device comprises the following: at least one measuring tube (10); at least one exciter (11); at least two sensors (12); an electronic measuring/operating circuit (13) for operating the exciter, for detecting measurement signals from the sensors and providing measurement values of the measurement variable, wherein the exciter comprises at least one coil (11.1) and at least one magnet (11.2), wherein the coil and the magnet cause a movement relative to one another when an electric excitation voltage is applied across the coil, and therefore generate a measuring tube oscillation, wherein the coil has a coil inductance, wherein a magnetic environment (11.3) around the coil has a magnetic effect on the coil, characterized in that in a first method step (101) a reference value of the magnetic effect is determined, in a second method step (102) an actual value of the magnetic effect is determined, and in a third method step (103) a statement on the state of the Coriolis measuring device is derived.
The invention relates to a Coriolis flow meter, comprising: - a measuring tube assembly (4) with a measuring tube (3) and a fixing body assembly (35), - at least one vibration generator (7) and at least one vibration sensor (8), - a support device (16) with a receiving area (29) and - a fixing device (34), wherein the fixing device (16) has at least one pivotal fixing element (40, 41), and the fixing device (34) is designed to connect the measuring tube assembly (4), in particular the at least one measuring tube (3), to the support device body (62) in a mechanically releasable manner via the fixing body assembly (35). The at least one fixing element (40, 41) is designed to exert a bending force onto the fixing body assembly (35) in order to elastically bend the fixing body assembly (35) when the measuring tube assembly (4) is connected to the support device body (62).
The invention relates to a measuring sensor (69) of a measuring device (2), comprising: - a measuring tube assembly (4) for conducting a flowable medium, comprising at least one measuring tube (3); - at least one first exciter component of a vibration exciter (7) for vibrating the at least one measuring tube (3); - at least one first sensor component of a vibration sensor (8) for detecting the vibrations of the at least one measuring tube (3); - a fixing body assembly (5) which is connected to the at least one measuring tube (3) and by means of which a releasable connection to a support device (16) can be produced; - a connection device (63) for releasably connecting the measuring tube assembly (4) to a process line; and - a closure device (71), wherein a form-fitting and/or force-fitting connection is produced between the connection device (63) and the fixing body assembly (5) via the closure device (71). The invention also relates to a measuring device for detecting a mass flow rate, a viscosity, a density, and/or a variable derived therefrom of a flowable medium, in particular a Coriolis flow meter.
G01F 1/84 - Coriolis or gyroscopic mass flowmeters
G01N 9/00 - Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
G01N 11/16 - Investigating flow properties of materials, e.g. viscosity or plasticity; Analysing materials by determining flow properties by moving a body within the material by measuring damping effect upon oscillatory body
97.
METHOD AND MEASURING DEVICE FOR DETERMINING A VISCOSITY MEASUREMENT VALUE, AND METHOD AND MEASURING ASSEMBLY FOR DETERMINING A FLOW MEASUREMENT VALUE
The invention relates to a method (100) for determining a viscosity measurement value (η) of a medium which is guided in a measuring tube that is capable of vibrating, the method comprising: exciting at least one vibrational mode of the measuring tube (110); determining an inherent frequency of the vibrational mode (120); determining the density of the medium (130); determining the damping of the vibrational mode (140); determining the viscosity measurement value on the basis of the density, the inherent frequency and the damping of the vibrational mode (160), wherein the viscosity measurement value (η) is determined on the basis of a specification of the type of the medium by means of a model corresponding to the specification.
G01N 9/00 - Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
G01N 11/16 - Investigating flow properties of materials, e.g. viscosity or plasticity; Analysing materials by determining flow properties by moving a body within the material by measuring damping effect upon oscillatory body
G01F 1/84 - Coriolis or gyroscopic mass flowmeters
G01F 15/02 - Compensating or correcting for variations in pressure, density, or temperature
The invention relates to a magnetic-inductive flow meter (1), comprising: - a measuring tube (8) for conducting a medium, said measuring tube (8) comprising a measuring tube body (32) which is designed to be electrically insulating in some sections; - a device (5) for generating a magnetic field that penetrates the measuring tube body (32); - a device (9) for detecting an induced voltage in the medium, said voltage being based on the flow speed; a reference electrode (33); - an electrode assembly (34) for detecting damage to the measuring tube body (32), wherein the electrode assembly (43) is electrically insulated from the reference electrode (33) and/or the medium flowing through the measuring tube body (32); and - a measuring circuit (11) which is designed to measure a variable, which is based on the electric impedance, between the electrode assembly (34) and the reference electrode (33).
G01F 1/58 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects by electromagnetic flowmeters
The invention comprises a method for executing functionalities relating to detected physical measured variables of at least one automation engineering field device (FG) in a custody transfer system, wherein the custody transfer system comprises: the field device (FG) having a software component (SK) and at least one sensor unit (SE1, SE2, SE3) for detecting a physical measured variable of a process-engineering process; and a service platform (SP). The method comprises the following method steps: - a user selects one or more industry standards (IS) on the service platform (SP); - the user selects one or more functionalities (FN) available for each industry standard (IS) on the service platform (SP); - the selected functionalities (FN) are transmitted from the service platform (SP) to the field device (FG); - the functionalities (FN) are loaded into the software component (SK) of the field device (FG); - the physical measured variables are detected by means of the field device (FG); - the functionalities (FN) are emulated and executed by means of the software component (SK), wherein the execution of the functionalities (FN) comprises processing at least a subset of the detected physical measured variables of the field device (FG) into result data (ED); and - the result data (ED) is made available by means of an interface (OP1, OP2) of the field device (FG). The invention also relates to a custody transfer system.
