A Coriolis flow-measuring device includes: a measurement line with a measuring tube for carrying a measuring medium; a calibration line separate from the measurement line for carrying a calibration medium having a calibration tube; an exciter for exciting oscillations of the measurement and calibration lines; a sensor for detecting the oscillations, wherein the exciter and the sensor are each connected to the measurement and to calibration lines in a detachable manner; and measuring-calibration electronics electrically connected to the exciter and the sensor and configured to cause the measuring tube and the calibration tube to oscillate, to determine their oscillations, to determine a calibration variable of the device based on the oscillations of the measurement and calibration lines carrying the calibration medium, and to determine the mass flow, the medium density, and/or the medium viscosity of the measuring medium as a function of the calibration variable and/or a variable derived therefrom.
G01F 1/84 - Débitmètres massiques du type Coriolis ou gyroscopique
G01F 25/10 - Test ou étalonnage des appareils pour la mesure du volume, du débit volumétrique ou du niveau des liquides, ou des appareils pour compter par volume des débitmètres
A modular Coriolis flowmeter for determining a process variable of a flowable medium includes: a measuring tube module including metal measuring tube for guiding the medium, a primary exciter component arranged on the measuring tube, a primary sensor component arranged on the measuring tube, and an identifier; a carrier module including a receptacle in which the measuring tube module is arranged with a releasable connection in a first or second installation position in a mechanically fixed, yet releasable, manner, an electronics chamber in which evaluation electronics for determining the process variable are arranged, a complementary secondary exciter component, and a complementary secondary sensor component; an installation position recognition device configured to recognize the identifier and, based on this, to ascertain a current installation position, wherein the evaluation electronics are configured to determine the process variable depending on the recognized current installation position.
G01F 1/84 - Débitmètres massiques du type Coriolis ou gyroscopique
G01F 25/10 - Test ou étalonnage des appareils pour la mesure du volume, du débit volumétrique ou du niveau des liquides, ou des appareils pour compter par volume des débitmètres
3.
ENSEMBLE MULTI-DIRECTIONAL ANOMALY AND SCENARIO SHIFT DETECTION FOR FLUID-NETWORKS
A data-driven method for continuously monitoring fluid in a fluid network triggers an alert in case of unexpected characteristics of the fluid. The method comprises a step of measuring one or more physical quantities at each of three or more measurement units, separately, said physical quantities being relevant to fluid transport. The measurement units are located at three or more different locations and each comprise one or more sensors for determining one or more measured values of the physical quantities. The physical quantities are time dependent and each of said measured values is determined continuously in a predefined measurement time interval. The method also includes transmitting said measured values to a data processing unit to determine, for each measurement unit, an observed time series of measured values of each physical quantity, and using the data processing unit to process description steps, estimation steps, and evaluation steps.
A measurement assembly for determining a property of a multiphase flowable medium comprises a measuring tube for conveying the medium and a first microwave antenna device arranged in a first antenna receptacle of the measuring tube. The first microwave antenna device is designed to emit a first microwave signal in a first main radiation direction and a second microwave signal in a second main radiation direction different from the first. A measurement circuit connected to the first microwave antenna device includes a high-frequency generator for supplying the first microwave signal and the second microwave signal. The measurement circuit is configured to determine the property of the medium based on the measured first microwave signal, and the measurement circuit is further configured to detect an inhomogeneity in the measuring tube based on the measured first microwave signal and the measured second microwave signal.
A magnetic-inductive flow meter for determining a flow-velocity-dependent measurement variable of a flowable medium includes a measuring tube for guiding the medium, a magnetic-field-generating device, and at least one measuring electrode. The measuring electrode is arranged in a measuring electrode opening and has a measuring electrode head configured to come into contact with the medium. A reference electrode connects the medium to a reference potential, and is arranged in a reference electrode opening where the reference electrode has a reference electrode head configured to come into contact with the medium. The reference electrode head has, in a cross-sectional plane of the measuring tube intersecting the reference electrode and the at least one measuring electrode, a reference electrode diameter, where the measuring electrode head has, in the cross-sectional plane, a measuring electrode diameter such that the reference electrode diameter is at least 10% smaller than the measuring electrode diameter.
G01F 1/58 - Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers un compteur par un écoulement continu en utilisant des effets électriques ou magnétiques par débitmètres électromagnétiques
6.
TRANSMITTING/RECEIVING CIRCUIT AND SIGNAL TRANSMISSION SYSTEM FORMED THEREWITH
The invention relates to a transmitting/receiving circuit comprising a receiver circuit (PHY-R) with a signal input (rx1, rx2) for a differential voltage signal and with a data output (Dout) for a data signal; a transmitter circuit (PHY-T) with an (electronic) current source having two electric poles (+,−), with a data input (Din) for a data signal and with a (LVDS) signal output (tx1, tx2) having connection poles (tx1, tx2) for a differential voltage signal; two (two-pole) resistance elements (R1, R2); and (for connecting a signal cable having a pair of signal conductors) a connection device with two connection poles (tr1, tr2). Each of the connection poles (tx1, tx2) is electrically connected to one of the connection poles (tr1, tr2) with one of the resistance elements connected therebetween. The transmitter circuit (PHY-T) has at least two operating modes (T-I, T-II) such that the transmitter circuit (PHY-T) is configured to convert a data signal at the data input (Din) into a differential voltage signal at the signal output in a first operating mode (T-I→transmitting operation), and to electrically short-circuit the connection poles (tx1, tx2) or keep them short-circuited in a second operating mode (T-II →terminating operation).
A test module for a base module of a vibronic measuring system includes: a carrier element operable to oscillate when excited with an excitation frequency made of metal and/or plastics material; and at least one test element mechanically connected to the carrier element for producing a magnetic field, wherein the at least one test element is a permanent magnet, wherein the test module is designed to be inserted into the base module and to be releasably mechanically connected thereto such that the test module is locked in the base module or is immovable and/or such that the first element is held within the base module at a predefined testing position.
A magnetic-inductive flowmeter for ascertaining a flow-velocity-dependent measurement variable of a flowable medium includes a measuring tube for conducting the medium, at least one measurement electrode and an additional electrode, and a magnetic-field-generating device. A measuring circuit with a microcontroller includes a first analog-to-digital converter configured to convert an analog flow measurement signal provided via the at least one measurement electrode into a digital flow measurement signal. A second analog-to-digital converter is configured to convert an analog test measurement signal provided via the additional electrode into a digital test measurement signal. The microcontroller is configured to extract the component of the digital test measurement signal from the digital flow measurement signal using a correlation and to determine the flow-velocity-dependent measurement variable using the corrected flow measurement signal, and/or determine a diagnostic variable or a process variable on the basis of the digital test measurement signal.
G01F 1/58 - Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers un compteur par un écoulement continu en utilisant des effets électriques ou magnétiques par débitmètres électromagnétiques
G01F 23/22 - Indication ou mesure du niveau des liquides ou des matériaux solides fluents, p. ex. indication en fonction du volume ou indication au moyen d'un signal d'alarme en mesurant des variables physiques autres que les dimensions linéaires, la pression ou le poids, selon le niveau à mesurer, p. ex. par la différence de transfert de chaleur de vapeur ou d'eau
The present disclosure relates to a method for cleaning a flowmeter comprising at least one oscillatory measurement tube, where the cleaning is performed in order to remove a coating from a wall of the at least one measurement tube. The method includes applying a cleaning medium to the measurement tube and repeatedly acquiring measurement values of a monitoring parameter which is dependent on the coating. The measurement values are acquired by means of the meter. A cleaning progress is determined on the basis of the measurement values of the monitoring parameter, and the cleaning process is controlled on the basis of the determined cleaning progress.
B08B 13/00 - Accessoires ou parties constitutives, d'utilisation générale, des machines ou appareils de nettoyage
B08B 9/027 - Nettoyage des surfaces intérieuresÉlimination des bouchons
G01F 1/84 - Débitmètres massiques du type Coriolis ou gyroscopique
G01N 9/32 - Recherche du poids spécifique ou de la densité des matériauxAnalyse des matériaux en déterminant le poids spécifique ou la densité en utilisant les propriétés d'écoulement des fluides, p. ex. l'écoulement à travers des tubes ou des ouvertures
10.
DEVICE FOR PROVIDING AN EXCITATION CURRENT AT A MAGNETIC-INDUCTIVE FLOWMETER, AND MAGNETIC-INDUCTIVE FLOWMETER
A device for providing an excitation current at a magnetic-inductive flowmeter comprises an integrated circuit comprising an H-bridge having a first, a second, a third and a fourth transistor; the H-bridge is connected to an input and an output of the magnetic-field-generating device. The integrated circuit includes control logic designed control inputs of the first, second, third and fourth transistors. The integrated circuit includes a fifth transistor which is electrically connected to an input for a hold voltage which is likewise part of the integrated circuit and is designed to convert an input voltage into the hold voltage. The control logic is connected to the input of the fifth transistor. The device includes a microcontroller which is separate from the integrated circuit and which is designed to deliver the operating signal to the integrated circuit and to receive measurement signals from the integrated circuit.
G01F 1/58 - Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers un compteur par un écoulement continu en utilisant des effets électriques ou magnétiques par débitmètres électromagnétiques
11.
METHOD FOR CONTINUOUSLY DETERMINING THE LACTOSE, PROTEIN, AND FAT CONTENT OF MILK
A method for determining, in particular in a continuous manner, the lactose content a, protein content b, and fat content c of a flowable medium, in particular milk, a milk substitute, and/or a milk product, comprises the method steps of: —ascertaining the frequency-dependent relative permittivity of the medium over a frequency range of a frequency spectrum, wherein the frequency spectrum has an upper limit of 50 GHz, in particular 25 GHz, preferably 14 GHz, and the frequency spectrum has a lower limit of 10 MHz, in particular 50 MHz, preferably 85 MHz; and —calculating the lactose content a, protein content b, and fat content c on the basis of the ascertained relative permittivity and on the basis of a lactose reference, a protein reference, and a fat reference. Also disclosed is a measuring assembly.
G01N 27/08 - Recherche ou analyse des matériaux par l'emploi de moyens électriques, électrochimiques ou magnétiques en recherchant l'impédance en recherchant la résistance d'un liquide qui coule sans interruption
G01N 33/06 - Détermination de la teneur en graisses, p. ex. par le butyromètre
12.
METHOD FOR CHECKING AND/OR PUTTING INTO SERVICE A MODULAR MEASUREMENT SYSTEM
A measuring system includes a base module, including converter electronics, and a sensor module connected to the base module and coupled to the converter electronics for signal communication. The sensor module is configured to set or change a signal parameter of at least one electrical measurement signal at a signal input of the converter electronics according to at least one measured variable of the medium. The base module is calibrated on site using both the sensor module and at least one reference measurement value for a sensor module-specific calibration parameter determined under reference calibration conditions.
A measuring transducer includes: a measuring tube arrangement having at least one measuring tube for conveying a flowable medium; at least a first exciter component of an oscillation exciter for exciting the at least one measuring tube to execute oscillations; at least a first sensor component of an oscillation sensor for registering oscillations of the at least one measuring tube; a fixing body arrangement, which is connected with the at least one measuring tube and via which a releasable connection with a support apparatus can be made; a connecting apparatus for releasable connecting of the measuring tube arrangement with a process line; and a fastener apparatus for forming a shape-interlocking and/or force-interlocking connection between the connecting apparatus and the fixing body arrangement.
A securing device designed to secure at least one clamp-on ultrasonic transducer of an ultrasonic measuring device on a conduit conveying media, includes: a main body configured to be placed on a support device of a clamp-on ultrasonic transducer of the at least one clamp-on ultrasonic transducer(s); a tensioning device for exerting a tensile force on the conduit; and at least one tensioning element, such as a chain or a belt, which is configured to transmit the tensile force, and which has two ends, wherein the securing device has a rocker device designed to compensate in the installed state for tilting moments exerted on the support device.
A securing device designed to secure at least one clamp-on ultrasonic transducer of an ultrasonic measuring device on a conduit conveying media, includes: a main body configured to be placed on a support device of a clamp-on ultrasonic transducer of the at least one clamp-on ultrasonic transducer(s); and a tensioning device for exerting a tensile force on the conduit; at least one tensioning element, such as a chain or a belt, which is configured to transmit the tensile force, and which has two ends, wherein the securing device has a rocker device designed to compensate in the installed state for tilting moments exerted on the support device.
G01F 1/66 - Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers un compteur par un écoulement continu en mesurant la fréquence, le déphasage, le temps de propagation d'ondes électromagnétiques ou d'autres types d'ondes, p. ex. en utilisant des débitmètres à ultrasons
15.
METHOD FOR PRODUCING A PROBE ELEMENT, AND PROBE ELEMENT
A process for producing a probe element includes providing an elongate probe body having a longitudinal axis, wherein the probe body is produced by a generative, in particular additive, manufacturing process, using a 3D printing process using at least two different materials, wherein the probe body includes an exterior probe sleeve and an interior probe core located in the probe sleeve, and wherein the probe core and the probe sleeve are integrally connected to one another in the generative manufacturing process. A thermal flowmeter includes such a probe element.
G01F 1/68 - Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers un compteur par un écoulement continu en utilisant des effets thermiques
G01K 13/02 - Thermomètres spécialement adaptés à des fins spécifiques pour mesurer la température de fluides en mouvement ou de matériaux granulaires capables de s'écouler
A magnetic-inductive flow measurement device for determining a flow rate-dependent measured variable of a flowable medium includes: a device for generating a magnetic field; a device for tapping a measurement voltage induced in the flowable medium; an operating circuit configured to feed electrical power into the field-generating device by an operating signal including a variable coil voltage and a variable coil current and having a time-varying voltage curve divided into time intervals, which each include a first time subinterval in which the coil voltage assumes a first voltage over the first time subinterval; and a control circuit configured to control the first voltage such that a deviation of a control function from a predefined control target value is minimal.
A capacitive sensor assembly for a field device pertaining to automation technology includes a circuit carrier having a gap section projecting into a gap between two housing elements, with a circuit arrangement, the circuit arrangement having at least one electrically conductive conductor element with an electrically insulating layer covering the conductor element. A first electrode of a capacitor unit is formed by at least one electrically conductive conductor element of the circuit arrangement and one or more second electrode(s) of the capacitor unit is/are formed by the electrically conductive wall(s) facing the gap section, namely the inner wall of the second housing element and/or the outer wall of the first housing element. Also disclosed is a field device pertaining to automation technology.
G01F 1/32 - Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers un compteur par un écoulement continu en utilisant des effets mécaniques par détection des effets dynamiques de l’écoulement utilisant des débitmètres à tourbillons
19.
MOUNTING TOOL FOR MOUNTING AN INSERTABLE FLOWMETER AND METHOD FOR SETTING UP SUCH A FLOWMETER
A mounting tool configured to mount a measuring device inserted into a pipe, such as a flowmeter, includes: a receiving device configured to receive a sensor neck of the measuring device; a pointer device configured to indicate an alignment of the mounting tool fastened to the receiving device; and a fastening device, wherein the receiving device includes a body with two end faces that run parallel to one another, and an edge surface connecting the end faces, wherein on at least one of the end faces the body has a first marking configured to be brought into alignment with a second marking of the sensor neck, wherein the pointer device has a laser by which an alignment of the mounting tool can be adjusted.
G01F 1/684 - Dispositions de structureMontage des éléments, p. ex. relativement à l'écoulement de fluide
G01F 1/58 - Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers un compteur par un écoulement continu en utilisant des effets électriques ou magnétiques par débitmètres électromagnétiques
A measurement transducer for a field device used in metrology and automation for processing a measurement signal from a sensor and for providing measurement values of at least one process variable comprises a housing having a housing body that has in the housing interior thereof at least one housing chamber that is enclosed by a housing wall, an electronics unit having at least one electronics module that has in each case a module holder and at least one electronics component arranged in the module holder, characterized in that the module holder has an electrically conductive module holder body and is designed to shield the at least one electronics component from undesired electrical or electromagnetic effects.
A method for online checking an automation technology field device that has a sensor unit and a control/evaluation unit and that determines a process variable of a medium based on at least two sensor signals includes transferring a first sensor signal to a first measuring channel having a first preprocessing block and transferring a second sensor signal to a second measuring channel having a second preprocessing block. The first sensor signal and the second sensor signal are connected in parallel to a verification channel having a third preprocessing block. The third preprocessing block is, during the time period of parallel connection of the first sensor signal, configured identically to the first preprocessing block and, during the time period of parallel connection of the second sensor signal, configured identically to the second preprocessing block. The output signals of the first, second, and third preprocessing blocks are compared.
The connecting cable comprises at least two wires made of electrically conductive material and a multiplicity of connecting elements for the mechanical but electrically insulated connection of the wires 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. The wires are spaced apart and electrically insulated from one another to form an electrical insulating resistance of no less than 1 MΩ. At least one segment of the wires may be bare. The connecting cable may be a component part of a measuring device and serve the purpose of electrically connecting an electrical component of the measuring device and an electronic measuring circuit of the measuring device to one another.
H01B 7/40 - Conducteurs ou câbles isolés caractérisés par la forme avec des dispositions pour faciliter le montage ou la fixation
H01B 1/02 - Conducteurs ou corps conducteurs caractérisés par les matériaux conducteurs utilisésEmploi de matériaux spécifiés comme conducteurs composés principalement de métaux ou d'alliages
H01B 7/29 - Protection contre les dommages provoqués par des facteurs extérieurs, p. ex. gaines ou armatures par des températures extrêmes ou par les flammes
A method for determining a correction function of a flow-velocity-dependent measurement variable of a flowable medium for a magnetic-inductive flow meter or for a magnetoinductive flow measuring probe comprises modeling a magnetic-field-generating device by a numerical simulation method, wherein the modeling 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 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. Further disclosed are a method for correcting a flow-velocity-dependent measurement variable, a magnetoinductive flow meter, and a magnetoinductive flow measuring probe.
G01F 25/10 - Test ou étalonnage des appareils pour la mesure du volume, du débit volumétrique ou du niveau des liquides, ou des appareils pour compter par volume des débitmètres
A Coriolis flow meter includes a sensor system generating a first sensor signal and a second sensor signal. A measuring or operating circuit includes a microprocessor designed to operate an excitation system. An all-pass filter having a filter coefficient and which is designed to receive the first sensor signal and to generate a filtered first sensor signal is provided. The measuring or operating circuit receives the filtered first sensor signal and the second sensor signal, and has a control circuit designed to control the filter coefficient, based on the filtered first sensor signal and the second sensor signal, or based on a variable derived from the filtered first sensor signal and the second sensor signal, such that a control criterion is satisfied, and a first measurement value representing the process variable from the filter coefficient is generated.
A clamp-on ultrasonic flowmeter includes: at least one pair of ultrasonic transducers attached to a pipe; an electronic measuring/operating circuit 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 pipe; the pipe has a vertical diameter; and the ultrasonic transducers are mutually spaced circumferentially relative to the vertical diameter; and a counterweight assigned to each ultrasonic transducer and arranged at a distance from the ultrasonic transducer and opposite thereto relative to the vertical diameter, wherein the ultrasonic transducer and the counterweight are connected by a flexible connecting element, which extends exclusively above the pipe.
G01F 1/66 - Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers un compteur par un écoulement continu en mesurant la fréquence, le déphasage, le temps de propagation d'ondes électromagnétiques ou d'autres types d'ondes, p. ex. en utilisant des débitmètres à ultrasons
G01F 1/667 - Dispositions de transducteurs pour les débitmètres à ultrasonsCircuits pour faire fonctionner les débitmètres à ultrasons
A magnetic-inductive flow measuring probe includes: a metal tube having a tube opening in a tube wall; two measurement electrodes for forming galvanic contact with a flowing medium and for tapping an induced voltage in the medium, wherein at least one of the two measurement electrodes is arranged in a second tube end; a magnetic field-generating device arranged at least sectionally in a tube interior; and a housing at least partially made of thermoplastic material, wherein the housing includes a housing opening into which a first tube end extends, wherein the housing includes at least one projection extending radially toward the tube interior and into the tube opening to form a form-fitting connection between the tube and the housing.
G01F 1/58 - Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers un compteur par un écoulement continu en utilisant des effets électriques ou magnétiques par débitmètres électromagnétiques
A magnetic-inductive flow measuring probe includes: a sleeve with a sleeve end portion which makes contact with a medium; at least two measuring electrodes 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 is arranged in the sleeve end portion; and a magnetic field-generating device for generating a magnetic field passing through at least the sleeve end portion including: a coil having a coil opening; a field guiding body extending through the coil opening, wherein the field guiding body includes a coil core; and a shielding body arranged between the coil and the at least one of the at least two measuring electrodes, wherein the shielding body is electrically connected to a reference potential.
G01F 1/58 - Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers un compteur par un écoulement continu en utilisant des effets électriques ou magnétiques par débitmètres électromagnétiques
A sensor includes: a deformation element; a sensor lug extending from the deformation element; a connection sleeve extending from the deformation element; a transducer element, arranged within the connection sleeve and contacting the deformation element, for generating an electrical sensor signal representing temporally changing movements of the sensor lug and/or temporally changing deformations of the deformation element; and fastening means within the connection sleeve and mechanically connected thereto for fixing the transducer element in the connection sleeve. The connection sleeve has an internal thread in a distal end, and the fastening means includes a threaded sleeve with an external thread and a cylindrical add-on element. The threaded sleeve is screwed into the internal thread with the add-on element between the threaded sleeve and the transducer element such that the add-on element is elastically deformed by a contact pressing force which holds the transducer element against the deformation element.
G01F 1/32 - Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers un compteur par un écoulement continu en utilisant des effets mécaniques par détection des effets dynamiques de l’écoulement utilisant des débitmètres à tourbillons
G01F 1/325 - Moyens de détection de quantités utilisées comme variables de substitution corrélées à l’effet des tourbillons
G01F 15/00 - Détails des appareils des groupes ou accessoires pour ces derniers, dans la mesure où de tels accessoires ou détails ne sont pas adaptés à ces types particuliers d'appareils, p. ex. pour l'indication à distance
G01F 15/18 - Supports ou moyens de raccordement pour les compteurs
29.
METHOD FOR OPERATING A MAGNETIC-INDUCTIVE FLOWMETER
Operating a magnetic-inductive flowmeter includes applying an operating signal having a first time segment having a first partial time segment where a signal value S+,I is applied for a time duration t1,I, and a second partial time segment where a signal value S−,I is applied for a longer time duration t2,I. Magnetic field polarities during time duration t1,I and time duration t2,I differ. The operating signal has a second time segment having a third partial time segment where a signal value S+,II is applied for a time duration t1,II, and a fourth partial time segment where a signal value S−,II is applied for a longer time duration t2,I. The method includes measuring a first measurement voltage during a segment of the first-time segment and a second measurement voltage during a segment of the second time segment, and determining the flow-rate-dependent measurement variable based on the first and second measurement voltage.
G01F 1/58 - Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers un compteur par un écoulement continu en utilisant des effets électriques ou magnétiques par débitmètres électromagnétiques
A process monitoring device includes: a measuring tube module having at least one measuring tube through which a medium can flow; a receptacle module having a receptacle, wherein the measuring tube module can be inserted into the receptacle, wherein the measuring tube module can be mechanically separably connected to the receptacle module; and an installation for biotechnological applications, wherein the installation includes a cabinet, wherein the cabinet has a cabinet wall, which delimits a cabinet interior, wherein the cabinet wall has a cover, wherein the cover includes an opening, wherein the receptacle module, in particular the receptacle, extends through the opening into the cabinet interior.
A method for calibrating a flow meter includes a method step of generating an intermittently dynamic flow profile in a line, where the flow profile shows a continuous increase in flow within a first time interval. The method also includes determining the flow profile using a reference flow meter during the first time interval, where a time value is assigned to a measured flow value and the time value is determined by means of a reference clock. The method also includes determining the flow profile using the flow meter during the first time interval, where a time value is also assigned to a measured flow value and the time value is determined by means of a flow meter clock. The method also includes adapting the flow profile determined using the flow meter, to the flow profile determined using the reference flow meter within the first time interval.
G01F 25/10 - Test ou étalonnage des appareils pour la mesure du volume, du débit volumétrique ou du niveau des liquides, ou des appareils pour compter par volume des débitmètres
A measuring assembly for determining a property of a multiphase flowable medium comprises a measuring tube for carrying the medium, the measuring tube having a first antenna receptacle, a first microwave antenna, which is arranged in the first antenna receptacle, a first separating disc for separating the first microwave antenna from the medium, the first separating disc being arranged in the first antenna receptacle, and the first microwave antenna being arranged behind the first separating disc in the radial direction, a measurement circuit, the measurement circuit having a high-frequency generator for supplying the first microwave antenna with an excitation signal, in particular with a sequence of high-frequency signals, and the measurement circuit being configured to determine the property of the medium on the basis of a received measurement signal.
G01N 22/00 - Recherche ou analyse des matériaux par l'utilisation de micro-ondes ou d'ondes radio, c.-à-d. d'ondes électromagnétiques d'une longueur d'onde d'un millimètre ou plus
33.
METHOD FOR INSTALLING A CLAMP-ON ULTRASONIC MEASURING DEVICE, AND CLAMP-ON ULTRASONIC MEASURING DEVICE
The disclosure relates to a method for installing a clamp-on ultrasonic measuring device on a pipeline in order to measure a media property of a medium flowing through the pipeline. The clamp-on ultrasonic measuring device has at least one clamp-on ultrasonic transducer. The pipeline has a wall with an outer surface, and the outer surface has a surface roughness with an average roughness value of at least 10 micrometers. In a first step, a sealing layer comprising a flowable compound is applied onto a wall section; in a second step, the sealing layer is cured; and in a third step 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 - Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers un compteur par un écoulement continu en mesurant la fréquence, le déphasage, le temps de propagation d'ondes électromagnétiques ou d'autres types d'ondes, p. ex. en utilisant des débitmètres à ultrasons
G01F 15/18 - Supports ou moyens de raccordement pour les compteurs
A measuring system includes a vibration-type transducer and electrically coupled measuring system electronics unit for controlling the transducer and evaluating vibration measurement signals provided by the transducer. The exciter arrangement has a vibration exciter which is positioned and aligned such that a drive offset is no more than 0.5% of the tube length. The measuring system electronics are configured to supply electrical power to the vibration exciter by means of an electrical drive signal having a temporally variable electrical current and to provide the drive signal at least intermittently with a sinusoidal second useful current having a second AC frequency, in order to monitor a quality of the measured substance based upon a corresponding second useful signal component of at least one of the vibration measurement signals.
A magnetic-inductive flow meter for determining a flow rate-dependent measurement variable includes: a measuring tube for guiding a flowable medium, the measuring tube having an electrically conductive carrier tube, the carrier tube having a first electrode opening; a magnetic field-generating device for generating a magnetic field penetrating the measuring tube, the magnetic field generating device being arranged on an outer lateral surface of the measuring tube; a first electrode arrangement, the first electrode arrangement being arranged in the first electrode opening; and a first electrode cap interlockingly and/or force-fittingly arranged on the first electrode arrangement and designed to prevent the formation of a moisture bridge between the first electrode arrangement and the carrier tube.
G01F 1/58 - Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers un compteur par un écoulement continu en utilisant des effets électriques ou magnétiques par débitmètres électromagnétiques
36.
TUBE ARRANGEMENT POLISHED BY FORCED ELECTROLYTIC PLASMA POLISHING IN SECTIONS, IN PARTICULAR A MEASURING TUBE ARRANGEMENT, MEASURING SENSOR WITH SUCH A MEASURING TUBE ARRANGEMENT, AND METHOD FOR PLASMA POLISHING A MEASURING TUBE ARRANGEMENT
A measuring tube arrangement has two support bodies, each with at least one bore, and a measuring tube with a lumen for guiding a medium. The measuring tube has a first end portion and a second end portion which are each connected to one of the support bodies. The tube arrangement has a portion that is polished by forced electrolytic plasma polishing that extends over at least three diameters of the tube. The portion polished by forced electrolytic plasma polishing is followed by an etched portion having a different surface structure than the portion polished by forced electrolytic plasma polishing.
The present disclosure relates to a stainless steel product comprising a stainless steel sheet. On a surface of the stainless steel sheet an adhesion promoter is applied. The adhesion promoter comprises a CoCr and/or NiCr alloy, wherein and on the adhesion promoter an enamel coating is applied. The present disclosure also relates to a magnetic-inductive flow meter, to a field device and to a method for producing a stainless steel product.
C23C 24/08 - Revêtement à partir de poudres inorganiques en utilisant la chaleur ou une pression et la chaleur
C23C 24/10 - Revêtement à partir de poudres inorganiques en utilisant la chaleur ou une pression et la chaleur avec formation d'une phase liquide intermédiaire dans la couche
C23D 5/00 - Revêtement par des émaux ou des couches vitreuses
G01F 1/58 - Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers un compteur par un écoulement continu en utilisant des effets électriques ou magnétiques par débitmètres électromagnétiques
38.
METHOD FOR DETERMINING A FLOW-RATE-DEPENDENT MEASURED VARIABLE
A method for determining a flow-rate-dependent measured variable for a flowable medium in a process line using a magnetically inductive flowmeter or a magnetically inductive flow measurement probe, wherein the process line has a process line section that is in contact with the medium and that adjoins an end face of the magnetically inductive flowmeter, comprises determining at least one process-line-specific criterion related to an influence of a character of the process line, in particular of the process line section, on the electrical potential distribution in the process line section; and determining the flow-rate-dependent measured variable, wherein the process-line-specific criterion is used to determine the flow-rate-dependent measured variable. Also disclosed is a magnetically inductive flowmeter and a magnetically inductive flow measurement probe.
G01F 1/58 - Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers un compteur par un écoulement continu en utilisant des effets électriques ou magnétiques par débitmètres électromagnétiques
39.
CONNECTION CIRCUIT FOR A FIELD DEVICE, AND FIELD DEVICE
A connection circuit for a field device comprises two connections forming a two-wire interface, a microcontroller for operating the field device, a voltage converter connected upstream of the microcontroller and configured to operate the microcontroller with an operating voltage, a supply capacitor connected upstream of the voltage converter and configured to absorb electrical energy when the connection circuit is started and to use it to supply the voltage converter, a first current limiting element connected upstream of the supply capacitor and designed to limit an input current below a permissible limit current when starting the connection circuit, a first bridging element connected in parallel with the first current limiting element and configured to bridge the first current limiting element if a first criterion is satisfied, and a test element configured to check whether the first criterion is satisfied.
G05B 19/042 - Commande à programme autre que la commande numérique, c.-à-d. dans des automatismes à séquence ou dans des automates à logique utilisant des processeurs numériques
A measuring system includes: a measuring transducer having at least one measuring tube for guiding a flowing fluid measured material; an exciter arrangement; a sensor arrangement; and an electronic transformer circuit coupled to both the exciter arrangement and to the sensor arrangement and configured to generate, in a first operating mode, a first driver signal having a first signal amplitude and a first signal frequency and, a second operating mode, a second driver signal having a second signal amplitude different from the first signal amplitude and a second signal frequency, and thus in each case to feed electric power into the exciter arrangement such that the at least one measuring tube forced mechanical vibrations with a useful amplitude and frequency and configured to determine phase error measurement values representing deviations of phase angles or phase differences based on measurement signals provided during first and second measuring intervals.
A modular Coriolis flowmeter for determining a process variable of a flowable medium includes: a measuring tube module having a measuring tube for guiding the medium; and a support module having a recess in which the measuring tube module can be arranged with a detachable connection, an electronics chamber in which electronics components for operating the flowmeter are arranged, a support module wall bordering the electronics chamber and the recess and having a through-opening connecting the recess to the electronics chamber, and a contactless temperature sensor arranged in the electronics chamber and orientated such that, when the measuring tube module is arranged in the support module, the temperature sensor is directed towards a measuring tube module surface and receives light emitted from the measuring tube module surface through the opening.
A modular Coriolis flowmeter for determining a process variable of a flowable medium includes: a measuring tube module having at least one measuring tube a connector element for detachably connecting the measuring tube module to a process line, and a connecting element for connecting the at least one measuring tube to the connector element; and a support module with a receptacle for detachably securing the measuring tube module in the support module, wherein the connecting element has a connecting element contact section which has a deflection of less than 1% relative to a maximum deflection of the at least one measuring tube, and wherein the connector element and the connecting element are configured such that a mechanical contact between the connector element and the connecting element occurs, in particular exclusively, within the connecting element contact section.
G01F 15/18 - Supports ou moyens de raccordement pour les compteurs
G01F 1/84 - Débitmètres massiques du type Coriolis ou gyroscopique
G06F 30/17 - Conception mécanique paramétrique ou variationnelle
G06F 30/23 - Optimisation, vérification ou simulation de l’objet conçu utilisant les méthodes des éléments finis [MEF] ou les méthodes à différences finies [MDF]
A magnetic-inductive flow measurement device includes: a device for generating a magnetic field, including a first coil and a second coil; a device for tapping a measurement voltage induced in a flowable medium; an operating circuit configured to apply a first operating signal to the first coil and separately a second operating signal to the second coil, wherein a first voltage over a first time subinterval is applied to the coils, and coil currents of different measurement intervals of the first operating signal are changeable variables; and a control circuit configured to control at least the first voltage of the first operating signal such that a deviation of a control function from a predefined control target value, which includes a variable proportional to a magnetic flux, is minimized.
G01F 1/58 - Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers un compteur par un écoulement continu en utilisant des effets électriques ou magnétiques par débitmètres électromagnétiques
44.
METHOD FOR THE CONTACTLESS DETERMINATION OF CONDENSATE FORMATION
A method for the contactless determination of a condensate formation on a measuring tube surface of an, in particular metallic, measuring tube by means of an optical temperature sensor for the contactless detection of a temperature of the measuring tube of a modular Coriolis flowmeter includes identifying a condensate on the measuring tube surface when an output signal and/or a temporal change of the output signal of the optical temperature sensor is outside a tolerance range.
A measuring system comprises a measuring transducer having at least one measuring tube, an exciter arrangement, a sensor arrangement and an electronic transformer circuit having measurement and control electronics and having drive electronics connected to the measurement and control electronics and/or controlled by the measurement and control electronics. The drive electronics is designed, controlled by the measurement and control electronics, to generate an electrical driver signal in a first operating mode and thereby to feed electrical power into the exciter arrangement such 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, 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.
A test module is designed to be inserted into, and to be releasably mechanically connected to, a base module of a vibratory measuring system, said base module being electrically connected to a measuring system electronics unit. The test module comprises a support element and at least one test element that is mechanically connected to the support element and is intended for generating and/or detecting a magnetic field. The test module can also be used to form a test system and a test arrangement for a base module and/or for a measuring system electronics unit, 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.
G01F 25/10 - Test ou étalonnage des appareils pour la mesure du volume, du débit volumétrique ou du niveau des liquides, ou des appareils pour compter par volume des débitmètres
G01F 1/84 - Débitmètres massiques du type Coriolis ou gyroscopique
G01F 15/14 - Revêtements, p. ex. avec un matériau spécial
47.
MEASURING TUBE SYSTEM, MEASURING TUBE AND PRODUCTION METHOD FOR A MEASURING TUBE SYSTEM
A measuring tube system for a measuring device comprises at least one measuring tube for conducting a flowable medium, wherein the measuring tubes each have two end regions, a first block with at least one first channel passing through the first block, wherein the measuring tubes, in a first end region, are each at least partially conducted through the corresponding first channels and are fixed in the corresponding first channels, a second block with at least one of second channel passing through the second block, wherein the first block and the second block are arranged such that the first channels and the second channels correspondingly adjoin one another and the first block and the second block are connected in a fluid-tight manner. Also disclosed is a measuring device comprising the measuring tube system, and a production method for the measuring tube system.
G01F 1/84 - Débitmètres massiques du type Coriolis ou gyroscopique
G01F 15/18 - Supports ou moyens de raccordement pour les compteurs
G01N 9/24 - Recherche du poids spécifique ou de la densité des matériauxAnalyse des matériaux en déterminant le poids spécifique ou la densité en observant la propagation de l'onde ou de la radiation des particules à travers le matériau
G01N 11/00 - Recherche des propriétés d'écoulement des matériaux, p. ex. la viscosité, la plasticitéAnalyse des matériaux en déterminant les propriétés d'écoulement
G01N 11/04 - Recherche des propriétés d'écoulement des matériaux, p. ex. la viscosité, la plasticitéAnalyse des matériaux en déterminant les propriétés d'écoulement en mesurant l'écoulement du matériau à travers un passage étroit, p. ex. un tube, une ouverture
48.
ULTRASONIC TRANSDUCER AND CLAMP-ON ULTRASONIC FLOWMETER
An ultrasonic transducer of a clamp-on ultrasonic flowmeter for measuring a measurement variable of a medium in a measuring tube includes: a transducer element for generating and detecting ultrasonic signals; a housing with a housing chamber in which the transducer element is arranged, wherein the housing has at least two second contact points, which are configured to contact the measuring tube; an extension arm having at least two first contact points, which are configured to contact the measuring tube, wherein the extension arm has a central region, a first end, and a second end opposite the first end, the first end connected to the housing, and the second end configured to mount on the measuring tube, wherein a magnetic device, by 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 - Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers un compteur par un écoulement continu en mesurant la fréquence, le déphasage, le temps de propagation d'ondes électromagnétiques ou d'autres types d'ondes, p. ex. en utilisant des débitmètres à ultrasons
G01F 1/667 - Dispositions de transducteurs pour les débitmètres à ultrasonsCircuits pour faire fonctionner les débitmètres à ultrasons
G01F 15/14 - Revêtements, p. ex. avec un matériau spécial
49.
Device for determining a flow-rate-dependent variable of a flowable electrically conductive medium
A device for determining a flow-rate-dependent variable of a flowable and conductive medium in a guide body for guiding the medium includes a magnetic-field-generating device for generating a first magnetic field that separates mobile charge carriers in the medium and a magnetic-field-sensitive measuring arrangement for determining a second magnetic field that is generated by the mobile charge carriers. The magnetic-field-sensitive measuring arrangement includes a first magnetic-field-sensitive measuring device having a magnetic-field-sensitive and optically excitable material, an optical excitation unit for the optical excitation of the first magnetic-field-sensitive measuring device, and an optical detection unit for detecting a measurement signal that correlates with a change and/or a strength of the second magnetic field. An evaluation circuit is 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 - Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers un compteur par un écoulement continu en utilisant des effets électriques ou magnétiques par débitmètres électromagnétiques
50.
MEASURING DEVICE FOR DETERMINING THE DENSITY, THE MASS FLOW RATE AND/OR THE VISCOSITY OF A FLOWABLE MEDIUM, AND METHOD FOR OPERATING SAME
A measuring device for determining density, mass flow rate and/or viscosity of a flowable medium includes: an oscillator including at least one oscillatable measuring tube for conveying the medium, and having at least one oscillatory mode, whose eigenfrequency depends on density of the medium; an exciter for exciting the oscillatory mode; at least one oscillation sensor for registering oscillations of the oscillator; and an operating-evaluating circuit, which is adapted to supply the exciter with an excitation signal, to register signals of the oscillation sensor, based on the signals of the oscillation sensor to ascertain current values of the eigenfrequency of the oscillator as well as variations of the eigenfrequency, and to determine a value characterizing density variations of the medium, wherein the value depends on a function, which is proportional to the variation of the eigenfrequency and has an eigenfrequency dependent normalization.
G01F 1/84 - Débitmètres massiques du type Coriolis ou gyroscopique
G01N 9/00 - Recherche du poids spécifique ou de la densité des matériauxAnalyse des matériaux en déterminant le poids spécifique ou la densité
G01N 11/00 - Recherche des propriétés d'écoulement des matériaux, p. ex. la viscosité, la plasticitéAnalyse des matériaux en déterminant les propriétés d'écoulement
51.
METHOD FOR DETERMINING A QUALITY OF A WIRELESS TRANSMISSION OF DATA PACKETS OF A FIELD DEVICE
A method for determining a quality of a wireless transmission of data packets of a field device via a wireless communications interface to a higher-level unit comprises sending the data packets via the wireless communications interface to the higher-level unit, wherein the data packets are sent intermittently; receiving the data packets through the higher-level unit; 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 fulfills a criterion; and determining a communications status depending upon the check and optional output of the communications status.
A transmitter housing of an automation field device is a single-chamber housing with an aperture. The field device comprises a printed circuit board arranged in the transmitter housing, the printed circuit board comprising: a first rigid and flat section and a second rigid and flat section; at least one flexible and bent section; wherein both rigid sections are connected to each other only via the at least one flexible, bent section, wherein the first rigid section is accessible from the aperture and forms a connecting region comprising at least one connecting element for connecting at least one cable, and wherein the first rigid section and the second rigid section are arranged relative to each other at a first angle of between 60° and 120°, in particular between 80° and 100°.
METHOD FOR DETERMINING A CHARACTERISTIC PASSAGE TIME OF A COMPONENT OF A HETEROGENEOUS MEDIUM IN A VIBRATING MEASURING TUBE OF A CORIOLIS MASS FLOW METER
The method determines a characteristic passage time of a component of a flowing medium in a vibrating measuring tube of a Coriolis mass flow meter. The flow meter has the measuring tube, an exciter for exciting a bending vibration mode of the measuring tube, and a vibration sensor for sensing the measuring tube vibrations. The component is present inhomogenously in the medium and has a component density which deviates from an average density of the medium. The method includes feeding an excitation signal to the exciter with a natural frequency a bending vibration mode, ascertaining at least one first time profile of a signal amplitude of the first vibration sensor at a natural frequency of an anti-symmetrical bending vibration mode, and ascertaining the characteristic passage time on the basis of the first time profile of the signal amplitude at the natural frequency of the anti-symmetrical bending vibration mode.
A fluid line system includes a fitting having a lumen extending from first and second flow openings to a third flow opening located in a remote fitting end; first and second fluid lines, each having a lumen; and a flow-conditioner element inserted into the lumen of the fitting and non-detachably connected thereto and has first and second flow channels connected fluidically in parallel. Each of the two flow channels of the flow-conditioner element extends from a first flow opening located in a region of its element end to a second flow opening located in a region of its opposite element end, and the flow-conditioner element is positioned and oriented in the fitting such that a first flow path includes both the first flow channel and the first fluid line, and a second flow path includes both the second flow channel and the second fluid line.
F16L 41/00 - Tuyaux de branchementRaccordements des tuyaux aux parois
G01F 15/18 - Supports ou moyens de raccordement pour les compteurs
G01K 13/02 - Thermomètres spécialement adaptés à des fins spécifiques pour mesurer la température de fluides en mouvement ou de matériaux granulaires capables de s'écouler
G01N 9/24 - Recherche du poids spécifique ou de la densité des matériauxAnalyse des matériaux en déterminant le poids spécifique ou la densité en observant la propagation de l'onde ou de la radiation des particules à travers le matériau
G01N 11/00 - Recherche des propriétés d'écoulement des matériaux, p. ex. la viscosité, la plasticitéAnalyse des matériaux en déterminant les propriétés d'écoulement
The signal transmission system comprises a transmitter circuit, a receiver circuit and a signal cable. A current divider is formed by a terminating resistor between the signal conductors of the signal cable. The transmitter circuit drives a loop current. When the receiver circuit input voltage has a voltage level above a first switching voltage threshold value, the output voltage assumes a first voltage level. The output voltage maintains the first voltage level when the input voltage is below the first switching voltage threshold value but above a second switching voltage threshold value. The transmitter circuit is configured to modulate the loop current with at least two different non-zero magnitudes at successive times. The first magnitude is greater than a first switching current threshold value and the second magnitude is less than the first switching current threshold value and greater than a second switching current threshold value.
A microwave measuring device comprises a measuring tube for conducting the medium; a first microwave antenna designed to generate a variable microwave signal and to emit said signal into the medium; and a magnetic-field-sensitive measuring device for determining a magnetic field and comprising a measuring device component having an optically excitable material, the microwave signal acting on the optically excitable material; an optical excitation device designed to optically excite the optically excitable material; and an optical detection device designed to provide a detection signal correlating with a light emitted by the optically excitable material. An evaluation circuit 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 - Recherche ou analyse des matériaux par l'utilisation de micro-ondes ou d'ondes radio, c.-à-d. d'ondes électromagnétiques d'une longueur d'onde d'un millimètre ou plus
G01N 24/08 - Recherche ou analyse des matériaux par l'utilisation de la résonance magnétique nucléaire, de la résonance paramagnétique électronique ou d'autres effets de spin en utilisant la résonance magnétique nucléaire
G01N 27/04 - Recherche ou analyse des matériaux par l'emploi de moyens électriques, électrochimiques ou magnétiques en recherchant l'impédance en recherchant la résistance
57.
METHOD FOR OPERATING A MAGNETIC INDUCTIVE FLOWMETER
A method for operating a magnetic inductive flowmeter wherein the flowmeter includes a measuring tube for guiding a flowable medium; at least two measuring electrodes for detecting a measurement voltage which is dependent on the flow velocity and induced in the medium; and a magnetic field-generating device having a coil system with at least one coil for generating a magnetic field passing through the measuring tube, includes determining 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 from a desired value. Also disclosed is a magnetic inductive flowmeter.
G01F 1/58 - Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers un compteur par un écoulement continu en utilisant des effets électriques ou magnétiques par débitmètres électromagnétiques
58.
DEVICE FOR DETERMINING A PROPERTY OF A LIQUID COMPONENT OF A GAS-LOADED MEDIUM
The invention relates to a device for determining a property of a liquid component of a gas-loaded medium comprising a pipeline for conducting the medium with a first section, wherein the first section has an inclination of less than 20° and a second section in the form of a riser, wherein the second section forms an angle of at least 45° with respect to a horizontal, characterized in that a closed end is arranged in an extension of the first section. A connection of the second section to the first section defines a beginning of the closed end, and at least one measuring device for measuring the property of the liquid component is arranged in an end region of the closed end.
A method for operating an ultrasonic measuring device for measuring a property of a medium includes: an arrangement of at least two pair of ultrasonic transducers for emitting and receiving ultrasonic signals across a signal path through a fluid; a holding apparatus having a wall in contact with the medium and a flat wall section for holding the ultrasonic transducers; an electronic circuit configured to operate the ultrasonic transducers and to provide measured values of the property, wherein the ultrasonic transducers form Lamb oscillations in the respectively associated wall, wherein at least two pair of the at least two pair of ultrasonic transducers each excite and capture different modes of Lamb oscillations, wherein the different modes are excited in groups, 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.
A method for operating a magnetic-inductive flowmeter includes: applying a first voltage signal to a device for generating a 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, wherein the first voltage is controlled such that a deviation of the coil current from a predetermined coil current target value during a measurement interval is minimized, wherein the coil current target value is constant for the entire first voltage signal; and applying a second voltage signal to the device, 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, wherein the second voltage is controlled such that a deviation of a control function from a control target value is minimized.
G01F 1/58 - Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers un compteur par un écoulement continu en utilisant des effets électriques ou magnétiques par débitmètres électromagnétiques
61.
Method for verifying a clamp-on ultrasonic measuring device
A method for verifying a clamp-on ultrasonic measurement device, wherein the measurement device comprises: at least two ultrasonic transducers configured to transmit and receive ultrasonic signals; and an electronic measuring/operating circuit configured to operate the ultrasonic transducers, to provide measured values of a measured variable, and to perform the verification, wherein the electronic measuring/operating circuit has a memory, the method comprising: mounting the measurement device on a standard measuring section; switching on a verification mode of the electronic measuring/operating circuit; transmitting an ultrasonic signal with at least one ultrasonic transducer and receiving the ultrasonic signal with at least one ultrasonic transducer; detecting a measured value of a verification variable of the ultrasonic signal and comparing the measured value with a specification value, stored in the memory, of the verification variable; outputting a verification result; and terminating the verification mode.
G01F 25/10 - Test ou étalonnage des appareils pour la mesure du volume, du débit volumétrique ou du niveau des liquides, ou des appareils pour compter par volume des débitmètres
G01F 1/66 - Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers un compteur par un écoulement continu en mesurant la fréquence, le déphasage, le temps de propagation d'ondes électromagnétiques ou d'autres types d'ondes, p. ex. en utilisant des débitmètres à ultrasons
G01F 1/667 - Dispositions de transducteurs pour les débitmètres à ultrasonsCircuits pour faire fonctionner les débitmètres à ultrasons
A magnetic-inductive flow meter for determining a flow velocity-dependent measurement variable of a flowable medium includes: a device for generating a magnetic field and a device for tapping a measurement voltage induced in the flowable medium; an operating circuit configured such that, by an electrical operating signal having a variable coil voltage and a variable coil current, electrical power is feed into the magnetic field device, wherein the operating signal has a temporally variable coil voltage curve, which is divided into time intervals, each having a first time subinterval in which a first coil voltage is applied to the magnetic field device; a control circuit configured to control at least the first coil voltage such that a deviation of a control function from a predefined control target value is minimal; and a diagnostic circuit for monitoring at least one diagnostic value.
G01F 1/58 - Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers un compteur par un écoulement continu en utilisant des effets électriques ou magnétiques par débitmètres électromagnétiques
G01F 25/10 - Test ou étalonnage des appareils pour la mesure du volume, du débit volumétrique ou du niveau des liquides, ou des appareils pour compter par volume des débitmètres
A method for detecting a foreign body in a flowable medium includes determining a first time curve of a first measured value using a first measuring device for determining a physical density of the medium. The method also includes determining a second time curve of a second measured value using a second measuring device for ascertaining a relative permittivity of the medium. A temporal correlation between the first curve and the second curve is determined, and pairs of measured values of the first measured value and the second measured value are detected. The method further includes checking whether the detected pairs of measured values within a predefined tolerance interval correspond to the correlation of at least one predefined function. If this is not the case, it is established that the foreign body is present in the medium.
G01N 9/32 - Recherche du poids spécifique ou de la densité des matériauxAnalyse des matériaux en déterminant le poids spécifique ou la densité en utilisant les propriétés d'écoulement des fluides, p. ex. l'écoulement à travers des tubes ou des ouvertures
G01F 1/84 - Débitmètres massiques du type Coriolis ou gyroscopique
64.
CONNECTION UNIT, VIBRATION-TUBE MODULE, AND MODULAR MEASURING DEVICE FOR DETERMINING THE DENSITY OF A MEASUREMENT MEDIUM
A connection unit for at least one vibration-tube module of a modular measuring device for determining the density of a measurement medium includes: a measurement-medium inlet, which extends along a first axis; a measurement-medium outlet, which extends along a second axis; at least a first vibration-tube inlet, which is fluidically connected to the measurement-medium inlet; and at least a first vibration-tube outlet, which is fluidically connected to the measurement-medium outlet, wherein the measurement-medium inlet and the measurement-medium outlet are opposite each other such that they are separated with respect to a first plane and are mechanically connected to each other by at least one support unit, and wherein the first axis and the second axis each form an angle of greater than 45° to the first plane.
G01N 9/32 - Recherche du poids spécifique ou de la densité des matériauxAnalyse des matériaux en déterminant le poids spécifique ou la densité en utilisant les propriétés d'écoulement des fluides, p. ex. l'écoulement à travers des tubes ou des ouvertures
65.
METHOD FOR DETECTING MANIPULATION OF DATA IN A NETWORK
A method for detecting data manipulation of a field device is disclosed, said data being sent in the form of data packets using a communication channel. The field device is part of a secure sub-network. The sub-network includes the field device or an edge device and the field device. In a first step, a device key pair having a private device key and a public device key is generated using an asymmetric cryptosystem, where the private device key is stored in a signing sub-network device. In a second step, the signing sub-network device generates, for a group of data packets comprising data packets, a digital data signature using the private device key and transmits said digital data signature and the data packets to the receiving device. In a third step, the receiving device verifies the data packets using the associated data signature and the public device key.
H04L 9/14 - Dispositions pour les communications secrètes ou protégéesProtocoles réseaux de sécurité utilisant plusieurs clés ou algorithmes
H04L 9/32 - Dispositions pour les communications secrètes ou protégéesProtocoles réseaux de sécurité comprenant des moyens pour vérifier l'identité ou l'autorisation d'un utilisateur du système
66.
Method for distinguishing between the presence of a foreign body or a gas bubble in a medium, and corresponding system
A method for distinguishing between the presence of a foreign body and a gas bubble in a flowable medium in a pipeline or a container includes evaluating received microwave signals, wherein mechanical vibrations are introduced into the medium by means of which a gas bubble present in the medium is set into vibration. A gas bubble is detected only in the event that when mechanical vibrations are introduced and the received microwave signals or the value derived therefrom is/are modulated; otherwise, a foreign body is detected. Also disclosed is a system which is suitable for carrying out the method according to the present disclosure.
G01N 22/00 - Recherche ou analyse des matériaux par l'utilisation de micro-ondes ou d'ondes radio, c.-à-d. d'ondes électromagnétiques d'une longueur d'onde d'un millimètre ou plus
67.
MEASURING TUBE ARRANGEMENT AND CARRIER UNIT OF A MEASURING DEVICE FOR DETECTING A PARAMETER OF A FLOWABLE MEDIUM
A measuring tube arrangement of a measuring device for detecting a mass flow rate of a flowable medium includes: two measuring tubes for conducting the medium, wherein the measuring tubes each have an inlet and an outlet, wherein the measuring tubes are bent at least once between the inlet and outlet; a coupler arrangement for mechanically coupling the two measuring tubes, wherein the coupler arrangement has at least two coupler elements, wherein one coupler element is arranged at the inlet, and one coupler element is arranged at the outlet; two magnet arrangements, each having at least two magnets, arranged on the measuring tubes, wherein precisely one magnet arrangement is arranged on one measuring tube; and a connecting body configured to mechanically detachably connect the measuring tube arrangement to a carrier unit, wherein the connecting body is connected to the inlet and to the outlet of the respective measuring tubes.
G01F 1/84 - Débitmètres massiques du type Coriolis ou gyroscopique
68.
METHOD FOR DETERMINING A GAS PHASE MASS FRACTION AND/OR GAS PHASE MASS FLOW RATE OF A MULTI-PHASE MEDIUM WITH A LIQUID PHASE AND A GAS PHASE FLOWING IN A MEASURING TUBE, AND MEASURING SENSOR THEREFOR
A method for determining a gas phase mass fraction or mass flow rate of a multi-phase medium flowing in a measuring tube, which includes a break-away edge exposed to the flow and three pressure taps, each influenced differently by the break-away edge, the method including: determining a first pressure drop between the first and second pressure taps; determining a second pressure drop between the third pressure tap and one of the first or second pressure taps; and determining the mass fraction or mass flow rate of the gas phase from the first and second pressure drops, the first pressure tap arranged upstream of the break-away edge and both the second and third pressure taps downstream thereof, one normal vector substantially axis-parallel to the second pressure tap and one normal vector perpendicular to the third pressure tap, the second pressure tap point positioned at or close to a pressure minimum.
G01F 1/74 - Dispositifs pour la mesure du débit d'un matériau fluide ou du débit d'un matériau solide fluent en suspension dans un autre fluide
G01F 1/36 - Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers un compteur par un écoulement continu en utilisant des effets mécaniques en mesurant la pression ou la différence de pression la pression ou la différence de pression étant produite par une contraction de la veine fluide
G01F 1/88 - Débitmètres massiques indirects, p. ex. mesurant le débit volumétrique et la densité, la température ou la pression avec mesure de la différence de pression pour déterminer le débit volumétrique
G01F 15/04 - Compensation ou correction des variations de pression, de poids spécifique ou de température des gaz à mesurer
69.
SYSTEM FOR IDENTIFYING THE PRESENCE OF A FOREIGN BODY IN A FLOWABLE MEDIUM AND CORRESPONDING METHOD
The present disclosure relates to a system for identifying the presence of a foreign body in a flowable medium in a pipeline. The system comprises a pipeline having a line inlet section and a choke section and also comprises a first transmitting/receiving unit for the line inlet section and a second transmitting/receiving unit for the line outlet section and a superordinate unit, which system is designed to ascertain the presence of a foreign body in the medium on the basis of at least one comparison between the mean permittivity (epsilon_m,3) in the choke section and the mean permittivity (epsilon_m,1) in the line inlet section.
G01V 3/08 - Prospection ou détection électrique ou magnétiqueMesure des caractéristiques du champ magnétique de la terre, p. ex. de la déclinaison ou de la déviation fonctionnant au moyen de champs magnétiques ou électriques produits ou modifiés par les objets ou les structures géologiques, ou par les dispositifs de détection
G01V 8/00 - Prospection ou détection par des moyens optiques
G01V 11/00 - Prospection ou détection par des méthodes combinant des techniques spécifiées dans les groupes
A vibronic sensor for measuring mass flow rate, includes a measurement pipe, an excitation magnet and a sensor magnet, an excitation coil and a sensor coils, each having an elongated basic shape. The basic shape has a center of gravity through which a largest diameter having a length d1 and a smallest diameter having a length d2 extend, wherein the excitation coil or the sensor coil has a first coil axis and a second coil axis in a cross-sectional plane. The largest diameter d is in the first coil axis, wherein the smallest diameter d2 is in the second coil axis. For a quotient d1/d2, the following applies: 1.15≤d1/d2, where, when the measurement pipe vibrates in an in-plane mode, a deflection direction of the measurement pipe is oriented in parallel with the first coil axis in a region of the excitation magnet or the sensor magnet.
An ultrasonic sensor for an ultrasonic measuring device comprises a transducer arrangement for generating and capturing ultrasonic signals with at least one piezo element configured, by means of electrodes, to convert between electrical signals and ultrasonic signals and vice versa; and a coupling body for transmitting the ultrasonic signals between a first side surface and a second side surface of the coupling body, wherein the piezo element is arranged on the first side surface, wherein the transducer arrangement has an arrangement amplitude response composed of at least two partially overlapping partial amplitude responses, 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 thereof, from a mean value of the bandwidths thereof multiplied by a factor F.
G01F 1/667 - Dispositions de transducteurs pour les débitmètres à ultrasonsCircuits pour faire fonctionner les débitmètres à ultrasons
G01F 1/66 - Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers un compteur par un écoulement continu en mesurant la fréquence, le déphasage, le temps de propagation d'ondes électromagnétiques ou d'autres types d'ondes, p. ex. en utilisant des débitmètres à ultrasons
72.
DEVICE FOR DETERMINING A FLOW-VELOCITY-DEPENDENT VARIABLE OF A FREE-FLOWING MEDIUM
The present disclosure relates to a device for determining a flow-velocity-dependent variable of a medium in a guide body, where the guide body includes a magnetic-field-generating device generating a first magnetic field separating movable charge carriers in the medium, and a magnetic-field-sensitive measuring assembly designed to provide a measurement signal and which correlates with a change in and/or a strength of a second magnetic field generated by the movable charge carriers. The magnetic field-sensitive measuring assembly comprises a magnetic-field-sensitive measuring device that comprises an optically excitable material. The magnetic-field-sensitive measuring assembly has an optical excitation unit for optically exciting the magnetic-field-sensitive measuring device and an optical detection unit for detecting the measurement signal. An evaluation unit is designed to determine the flow-velocity-dependent variable of the medium at least the measurement signal provided by the magnetic-field-sensitive assembly and the conductivity of the medium.
G01F 1/58 - Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers un compteur par un écoulement continu en utilisant des effets électriques ou magnétiques par débitmètres électromagnétiques
G01F 15/061 - Dispositifs d'indication ou d'enregistrement pour l'indication à distance
73.
Method for operating an ultrasonic measuring device, and an ultrasonic measuring device
A method for operating an ultrasonic measuring device, which includes: an arrangement of ultrasonic transducers for emitting and receiving ultrasonic signals along at least two signal paths through a fluid, wherein the arrangement is held by a holding apparatus having at least one wall, wherein sections of the signal paths run through at least one of the at least one wall, wherein signal path sections of at least two signal paths in the fluid are of different length; and an electronic measuring/operating circuit configured to perform the method of, in a first method step, comparing intensities of ultrasonic signals along signal paths having signal path sections of different length in the fluid and, in a second method step, determining a damping property of the fluid and an acoustic coupling property between the wall and the fluid therefrom.
G01F 1/667 - Dispositions de transducteurs pour les débitmètres à ultrasonsCircuits pour faire fonctionner les débitmètres à ultrasons
G01F 1/66 - Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers un compteur par un écoulement continu en mesurant la fréquence, le déphasage, le temps de propagation d'ondes électromagnétiques ou d'autres types d'ondes, p. ex. en utilisant des débitmètres à ultrasons
G01F 25/10 - Test ou étalonnage des appareils pour la mesure du volume, du débit volumétrique ou du niveau des liquides, ou des appareils pour compter par volume des débitmètres
An electrical lead-through for an electronics housing, comprises a first stop element with at least one first through-hole, a second stop element with at least one second through-hole, an elastic element which extends between the first stop element and the second stop element along a first axis, and at least one electrical contact element with a first end and a second end lying opposite the first end. The first end of the contact element is movably arranged in the first through-hole and the second end is movably arranged in the second through-hole. The elastic element is suitable for deforming when the first stop element and the second stop element are moved relative to each other, and the first stop element and the second stop element are each suitable for being fixed to the electronics housing.
A vibronic sensing element comprises an oscillator with a measuring tube for guiding a medium; an electrodynamic exciter arrangement; sensor arrangements for detecting the bending vibrations of the measuring tube; and a measuring and operating circuit. The exciter arrangement includes a first and a second electrodynamic exciter and a first compensation mass body. The first exciter is configured to exert a force on the measuring tube, and the second electrodynamic exciter is configured to exert a second force on the measuring tube. The measuring and operating circuit is 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.
A securing part for a housing is ring-shaped and extends around a longitudinal axis, wherein the securing part has a first edge and a second edge opposite the first edge, wherein the first edge has at least two bayonet grooves which are suitable for securing the securing part to the housing, wherein the bayonet grooves extend along the longitudinal axis and about the longitudinal axis transverse to the longitudinal axis, wherein the bayonet grooves each have an inlet, a ridge, a stop and a groove base with a groove depth, wherein the stop limits the bayonet grooves in their extension about the longitudinal axis, wherein the ridge is arranged on the groove base between the inlet and the stop and extends from the groove base radially relative to the longitudinal axis and at a predetermined height.
A method for operating a Coriolis measurement device comprises: recording the measured voltages from the sensors and creating an asymmetric sequence of values using the amplitudes of the measured voltages for the purpose of diagnosing the Coriolis measurement device; checking whether the asymmetric sequence of values satisfies at least one invalidity criterion; and creating a stabilized asymmetric sequence of values on the basis of the asymmetric sequence of values by replacing asymmetric measured values with substitute values. While an invalidity criterion is satisfied a last valid measured value of the asymmetric sequence of values is used as the current value of the stabilized asymmetric sequence of values, or the stabilized asymmetric sequence of values is set to a predetermined value, a first invalidity criterion being based on a scattering parameter of the asymmetric value exceeding a first limit value.
G01F 1/84 - Débitmètres massiques du type Coriolis ou gyroscopique
G01N 9/32 - Recherche du poids spécifique ou de la densité des matériauxAnalyse des matériaux en déterminant le poids spécifique ou la densité en utilisant les propriétés d'écoulement des fluides, p. ex. l'écoulement à travers des tubes ou des ouvertures
An automation field device includes: a measuring tube for guiding a flowable medium having an outer lateral surface; a measuring arrangement for determining a physical and/or chemical measured variable of the medium at least partially arranged on the measuring tube; a housing for accommodating at least one electronic component, wherein the housing is arranged on the outer lateral surface and the measuring arrangement is at least partially covered, wherein the housing includes a housing wall which, together with the outer lateral surface, delimits a housing interior; and a molded part for fixing the at least one electronic component and/or the measuring arrangement, wherein the molded part includes an outer molded part lateral surface, wherein the outer molded part lateral surface and the outer lateral surface delimit a seal seat, wherein a sealing means applied in particular in a liquid manner is arranged in the seal seat.
G01F 1/58 - Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers un compteur par un écoulement continu en utilisant des effets électriques ou magnétiques par débitmètres électromagnétiques
G01F 15/14 - Revêtements, p. ex. avec un matériau spécial
A method for operating a Coriolis mass flowmeter having at least one vibratable measuring tube for conducting a medium includes exciting a first symmetrical bending vibration mode of the at least one measuring tube, and exciting a second symmetrical bending vibration mode of the at least one measuring tube. A first mass flow rate measurement value is determined 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. A second mass flow rate measurement value is determined 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. A zero point deviation value of the mass flow rate measurement is determined as a function of a deviation between the first mass flow rate measurement value and the second mass flow rate measurement value.
An automation field device: a measuring tube for carrying a free-flowing medium or a container for storing the medium; a measuring arrangement for determining a physical and/or chemical measured variable of the medium at least partially arranged on the measuring tube or on the container; a housing for accommodating an electronic component for operating the measuring arrangement, controlling a controlled variable of the measuring arrangement, determining a measured value of the measured variable and/or evaluating the measured variable of the measuring arrangement, wherein the housing is arranged on the measuring tube or on the container; and at least one molding arranged in the housing, wherein the at least one molding has an at least partially elastically formed first section, which has a receptacle with an undercut, wherein the electronic component is arranged with interlocking or force-fit engagement in the undercut and is held by the first section.
G01F 1/58 - Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers un compteur par un écoulement continu en utilisant des effets électriques ou magnétiques par débitmètres électromagnétiques
A Coriolis mass flow meter includes: a measuring tube for guiding a medium; a support body connected to the measuring tube on the inlet side and on the outlet side; an exciter for exciting bending vibrations of the measuring tube; at least two vibration sensors for detecting vibrations of the measuring tube; and a reinforcing body fastened to a lateral surface of the measuring tube and surrounds the measuring tube, the reinforcing body including, at least in sections, a helical course with a plurality of windings, a distance between two adjacent windings of the reinforcing body being not less than twice, for example, not less than four times or not less than eight times, a material thickness of the reinforcing body in the region of the windings.
The invention relates to a field device with a sensor for detecting a physical measured variable, comprising a housing with a sensor neck which is introduced into the housing. A rotationally symmetrical pin-shaped clamping element is introduced into a receiving element of the housing on a plane which is tangential to the rotational axis of the housing. The rotationally symmetrical pin-shaped clamping element is designed such that, by being inserted into the receiving element, the clamping element exerts a clamping force in the radial direction between the receiving element and the sensor neck so that both a movement of the sensor neck in the tubular section of the housing in the direction of the rotational axis as well as a rotation of the sensor neck in the tubular section of the housing about the rotational axis are prevented.
G01D 11/30 - Supports spécialement adaptés à un instrumentSupports spécialement adaptés à un ensemble d'instruments
F16B 2/06 - Brides ou colliers, c.-à-d. dispositifs de fixation dont le serrage est effectué par des forces effectives autres que la résistance à la déformation inhérente au matériau dont est fait le dispositif externes c.-à-d. agissant par contraction
F16B 35/04 - Boulons filetésBoulons d'ancrageGoujons filetésVisVis de pression avec tête ou axe de forme particulière permettant de fixer le boulon sur ou dans un objet
An automation field device includes a measuring tube for conducting a flowable medium; a measuring assembly for ascertaining a measurement variable of the medium, said measuring assembly at least partly arranged on the measuring tube; and a housing for accommodating at least one electronic component for operating the measuring assembly and arranged on an outer lateral surface of the measuring tube and at least partly covering the measuring assembly. The housing includes a housing wall which, together with the outer lateral surface of the measuring tube, delimits a housing interior and includes a first edge section, which is at least partly in direct contact with the outer lateral surface and is at least partly curved away from the housing interior. At least the first edge section is braced together with the measuring tube in a force-fitting manner.
G01F 1/58 - Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers un compteur par un écoulement continu en utilisant des effets électriques ou magnétiques par débitmètres électromagnétiques
G01F 15/14 - Revêtements, p. ex. avec un matériau spécial
A magneto-inductive flow measurement device for determining a flow-rate-dependent measured variable for a flowable medium, comprises a device for producing a magnetic field, the device for producing the magnetic field comprising a coil arrangement; a device for tapping off a measurement voltage induced in the flowable medium, in particular by means of two preferably diametrically arranged measurement electrodes; an operating circuit configured to apply an operating signal, in particular a voltage signal, to the coil arrangement, the operating signal having operating signal parameters; and a controller circuit 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 - Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers un compteur par un écoulement continu en utilisant des effets électriques ou magnétiques par débitmètres électromagnétiques
A measurement system includes: a pipe insertable into the course of a pipeline; a bluff body arranged in the pipe and configured to generate vortices having a shedding frequency dependent on an instantaneous flow velocity of a fluid such that a Kármán vortex street is formed in the fluid flowing downstream of the bluff body; a vortex sensor arranged downstream of the bluff body, having a resonance frequency and configured to effect mechanical oscillations as to provide a vortex sensor signal including a first component representing oscillations of the vortex sensor with the shedding frequency and a second component representing the mechanical resonance frequency of the vortex sensor; and converter electronics for evaluating the vortex sensor signal and configured to determine whether and/or to what extent the fluid contains foreign substances and/or is a single- or multi-phase substance based on the first and second components of the vortex sensor signal.
G01F 1/32 - Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers un compteur par un écoulement continu en utilisant des effets mécaniques par détection des effets dynamiques de l’écoulement utilisant des débitmètres à tourbillons
G01F 1/325 - Moyens de détection de quantités utilisées comme variables de substitution corrélées à l’effet des tourbillons
88.
METHOD FOR OPERATING A CORIOLIS MEASUREMENT DEVICE
A method for operating a Coriolis measurement device is provided. The Coriolis measurement device comprises at least one measuring tube for conducting a medium, at least one exciter for exciting measuring tube oscillations, at least one first sensor and at least one second sensor for detecting measuring tube oscillations, an electronic measuring/operating circuit for operating the exciter and for detecting and evaluating measuring signals of the sensors. The method comprises the following steps: checking, in a first method step, 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, and in a second method step, 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 25/10 - Test ou étalonnage des appareils pour la mesure du volume, du débit volumétrique ou du niveau des liquides, ou des appareils pour compter par volume des débitmètres
G01F 1/84 - Débitmètres massiques du type Coriolis ou gyroscopique
09 - Appareils et instruments scientifiques et électriques
Produits et services
Electric and electronic measuring apparatus, in particular flowmeters, viscosity measuring apparatus, density measuring apparatus, apparatus for measuring the composition of a polyphase product, particularly of liquids, suspensions, emulsions, gases and/or vapors; signaling and monitoring apparatus and instruments, namely, flowmeters; signal and data recording, transmission and reading apparatus; regulating apparatus, in particular electric and electronic regulating apparatus for regulating process and quality parameters; downloadable software for the commissioning, monitoring, control, maintenance and operation of the above-mentioned measuring and regulation apparatus; all the abovementioned goods in the field of measuring and automation technology, in the field of environmental measurement technology, particularly in the fields of the fresh water and sanitation industry, the beverage and food industry, the chemical industry, the pharmaceutical industry, the oil and gas industry, the nuclear industry, the paper industry and for general industry
90.
Sensor for detecting pressure fluctuations in a flowing fluid, and measurement system formed therewith
The sensor comprises: a flat deformation element including first and second planar surfaces; a sensor lug extending starting from the first surface; a connection sleeve extending from the deformation element; a transducer element, which is arranged within the connection sleeve and contacts the first surface with a contact surface, for generating an electrical sensor signal representing temporally changing movements of the sensor lug and/or temporally changing deformations of the deformation element; and a fastener positioned within the connection sleeve and mechanically connected thereto, for fixing the transducer element in the connection sleeve, wherein the fastener includes a spring assembly with at least two stacked disk springs, which are elastically deformed by exerting a pressing force which holds the transducer element against the deformation element.
G01F 1/32 - Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers un compteur par un écoulement continu en utilisant des effets mécaniques par détection des effets dynamiques de l’écoulement utilisant des débitmètres à tourbillons
G01F 1/325 - Moyens de détection de quantités utilisées comme variables de substitution corrélées à l’effet des tourbillons
G01F 15/00 - Détails des appareils des groupes ou accessoires pour ces derniers, dans la mesure où de tels accessoires ou détails ne sont pas adaptés à ces types particuliers d'appareils, p. ex. pour l'indication à distance
91.
Arrangement of ultrasonic transducers, clamp-on ultrasonic measuring devices having an arrangement of this type, and method for adjusting the ultrasonic measuring device
An arrangement of ultrasonic transducers of a clamp-on ultrasonic measuring device includes at least one pair of ultrasonic transducers, which include: in a measurement arrangement, an axial arrangement distance relative to a measurement tube axis; an emitting transducer apparatus designed to generate an ultrasonic signal field, which has, in the coupling body, a first longitudinal axis parallel to a transducer longitudinal axis; the ultrasonic signal field has an opening angle in the medium; the first longitudinal axis defines a reference signal path; the reference signal path defines an axial reference distance of a reference arrangement relative to centroids of the ultrasonic transducers; the axial arrangement distance is determined by the centroids; the arrangement distance is less than the reference distance; and a target difference between the reference distance and the arrangement distance is dependent on at least the opening angle of the ultrasonic signal field in the medium.
G01F 1/66 - Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers un compteur par un écoulement continu en mesurant la fréquence, le déphasage, le temps de propagation d'ondes électromagnétiques ou d'autres types d'ondes, p. ex. en utilisant des débitmètres à ultrasons
G01F 1/667 - Dispositions de transducteurs pour les débitmètres à ultrasonsCircuits pour faire fonctionner les débitmètres à ultrasons
The flow conditioner comprises a diffusor with a guide system arranged within its lumen, a flow rectifier with a disc shaped flow obstruction arranged within its lumen, wherein the flow obstruction has a plurality of flow openings, as well as a confusor, wherein diffusor, flow rectifier and confusor are connected fluidically in series to form a flow path extending from a flow opening of the diffusor to a flow opening of the confusor and involving the lumina of diffusor, flow rectifier and confusor. The guide system of the diffusor includes a sleeve shaped deflection means as well as a plurality of mutually separated connecting elements connected both with the deflection means as well as with the wall of the diffusor. The guide system is so formed and so positioned that the deflection means is spaced from the wall of the diffusor and arranged coaxially with the lumen of the diffusor.
F15D 1/02 - Action sur l'écoulement des fluides dans les tuyaux ou les conduits
G01F 1/32 - Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers un compteur par un écoulement continu en utilisant des effets mécaniques par détection des effets dynamiques de l’écoulement utilisant des débitmètres à tourbillons
G01F 1/66 - Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers un compteur par un écoulement continu en mesurant la fréquence, le déphasage, le temps de propagation d'ondes électromagnétiques ou d'autres types d'ondes, p. ex. en utilisant des débitmètres à ultrasons
G01F 1/684 - Dispositions de structureMontage des éléments, p. ex. relativement à l'écoulement de fluide
93.
Thermal flowmeter and method for operating a thermal flowmeter
A thermal flowmeter includes: a measuring tube, having a measuring tube cross-section and a measuring tube axis; a sensor having a main sensor body and four probes designed to heat a medium, determine a temperature thereof, or influence the flow of the medium in the measuring tube; and an electronic measuring/operating circuit, wherein the probe bodies span a rhombus on a surface of the main sensor body, wherein a first diagonal of the rhombus is parallel to the measuring tube axis, and a second diagonal lies in the measuring tube cross-section, wherein 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, and wherein 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 - Dispositions de structureMontage des éléments, p. ex. relativement à l'écoulement de fluide
G01F 1/69 - Dispositions de structureMontage des éléments, p. ex. relativement à l'écoulement de fluide utilisant un élément de chauffage, de refroidissement ou de détection d'un type particulier du type à résistance
09 - Appareils et instruments scientifiques et électriques
Produits et services
Electric and electronic measuring apparatus, in particular flowmeters, viscosity measuring apparatus, density measuring apparatus, apparatus for measuring the composition of a polyphase product, particularly of liquids, suspensions, emulsions, gases and/or vapors; signaling and monitoring apparatus and instruments, namely, flowmeters; signal and data recording, transmission and reading apparatus; regulating apparatus, in particular electric and electronic regulating apparatus for regulating process and quality parameters; downloadable software for the commissioning, monitoring, control, maintenance and operation of the above-mentioned measuring and regulation apparatus; all the abovementioned goods in the field of measuring and automation technology, in the field of environmental measurement technology, particularly in the fields of the fresh water and sanitation industry, the beverage and food industry, the chemical industry, the pharmaceutical industry, the oil and gas industry, the nuclear industry, the paper industry and for general industry
The measuring system comprises a vibration-type transducer having a tube assembly, an exciter assembly and a sensor assembly, and a measuring system electronics unit electrically coupled to the exciter assembly and the sensor assembly. The measuring system electronics unit is configured to energize vibration exciters of the exciter assembly in a first operating mode such that the tubes perform out-of-phase mechanical vibrations with a frequency predefined by the drive signal, and to receive and evaluate vibration measurement signals representing vibration movements of the useful vibrations. The measuring system electronics unit is further configured to energize the vibration exciters in a second operating mode such that the tubes perform in-phase forced mechanical vibrations with a frequency predefined by the drive signal, and to receive and evaluate vibration measurement signals representing vibration movements of the useful vibrations.
G01F 1/84 - Débitmètres massiques du type Coriolis ou gyroscopique
G01F 25/10 - Test ou étalonnage des appareils pour la mesure du volume, du débit volumétrique ou du niveau des liquides, ou des appareils pour compter par volume des débitmètres
G01N 9/00 - Recherche du poids spécifique ou de la densité des matériauxAnalyse des matériaux en déterminant le poids spécifique ou la densité
G01N 11/16 - Recherche des propriétés d'écoulement des matériaux, p. ex. la viscosité, la plasticitéAnalyse des matériaux en déterminant les propriétés d'écoulement en déplaçant un corps à l'intérieur du matériau en mesurant l'effet d'amortissement sur un corps oscillant
96.
Housing of a field device in measurement and automation technology, and field device of this type
The present disclosure relates to method for operating a Coriolis measuring device, comprising the following method steps: determining an attenuation of the measuring tube vibrations in the region of the first vibration sensor and in the region of the second vibration sensor, measuring a first measurement variable by means of the measurement signals from the first vibration sensor and from the third vibration sensor, measuring a second mass flow rate by means of the measurement signals from the second vibration sensor and from the third vibration sensor, determining an influence of the attenuation on the first measurement variable and on the second measurement variable, forming differences between measured values of the first measurement variable and measured values of the second measurement variable, and comparing the differences with the determined attenuation of the measuring tube vibrations.
A method for operating a density meter that includes at least one oscillating measuring tube for conducting a medium, an exciter disposed on the measuring tube for exciting oscillation modes of the at least one measuring tube, and a support body, wherein the measuring tube has inlet-side and outlet-side end portions that are connected to the support body, includes: exciting at least three oscillation modes of the measuring tube; determining eigenfrequency measurement values of the at least three oscillation modes; determining a density measurement value of the medium, taking into consideration a gas load that may be present; and determining a characteristic property of the at least one measuring tube on the basis of the eigenfrequencies of the three oscillation modes.
Monitoring a mass flowmeter includes ascertaining a resonant frequency of a bending oscillation, wanted mode, and a density measured value of a medium as a function of the frequency. A bending oscillation is excited outside of resonance with an excitation signal having an amplitude and a frequency (μ times the resonant frequency of the bending oscillation, wanted mode). An amplitude of a sensor signal of the bending oscillation outside of resonance is ascertained. A value of an integrity function of the measuring tube depending on a ratio of the sensor signal amplitude to the excitation signal amplitude of the bending oscillation is ascertained. The integrity function depends further on a density term of a transfer function that models contributions of a plurality of oscillation modes to the sensor signal. This function is reduced to reference conditions, and/or transformed to an integrity value, which has no cross sensitivities for media density.
G01F 1/84 - Débitmètres massiques du type Coriolis ou gyroscopique
G01F 25/10 - Test ou étalonnage des appareils pour la mesure du volume, du débit volumétrique ou du niveau des liquides, ou des appareils pour compter par volume des débitmètres
100.
Protective hood for a field device, and measurement/automation field device
A protective hood has a longitudinal axis and a hood wall, which has an open first end and a closed second end and forms a hood chamber. The hood chamber is designed to receive an electronics housing of a field device along the longitudinal axis via the open first end. The protective hood has at least one fastening apparatus, which is designed to be brought into mechanical contact with the electronics housing. Without an application of force, the protective hood has a first shape in which the fastening apparatus is at a first distance from the longitudinal axis, characterized in that the protective hood can be elastically deformed, by an application of force, into a second shape in which the fastening apparatus is at a second distance from the longitudinal axis, the second distance being greater than the first distance.
