Abstract: A control unit, an operating method and a self-monitoring sensor which is fastenable to a measurement object includes a holder projecting radially from the measurement object, wherein at least one sensor element is held in the holder and the sensor element is fixed by a compressive force exerted by an elastic element, where a first detector for detecting the compressive force is arranged in the region of the elastic element to monitor the installation of the self-monitoring sensor, where the self-monitoring sensor is initial provided in an active operating state, where the compressive force acting on the sensor element is detected, where an improper installation state of the self-monitoring sensor is identified if the compressive force detected in the second step falls below an adjustable threshold value, and where a warning about the improper installation state is output to a user and/or a superordinate control unit.

Abstract: Method for monitoring operation of a technical object, wherein a) a first orientation of the first acceleration sensor in the form of a position vector is determined, b) the mathematical model for operation of the object is generated and trained, c) the first acceleration sensor is disassembled and a three-axis replacement acceleration sensor is assembled with a new orientation on the object, d) acceleration values are detected, e) respective indicator values are calculated from the temporal course of the detected acceleration values of the replacement acceleration sensor, f) a replacement vector is determined from the indicator values and a differential vector between the replacement vector and the position vector of the first acceleration sensor determined in step b) is determined, and g) the model during operation of the object for the position vector in the orientation of the replacement vector is applied by taking into account the differential vector.

Abstract: A temperature measuring system comprising temperature measuring device, a computer program product suitable for simulating an operating behavior of such a temperature measuring device, and a temperature measuring device for non-invasively measuring a temperature of a medium in a pipe includes a sensor holder and a heat coupling element configured for producing a heat conducting path from a wall of the pipe to a first temperature sensor, wherein the heat coupling element is configured for adjusting the heat conducting path in a layered structure with components composed of different materials where, alternatively or supplementarily, the heat coupling element has an arcuate profile at least sectionally for the purpose of axially reversing the heat conducting path.

Abstract: A method for calibrating a temperature measuring device, a computer program product for simulating an operating behavior of the temperature measuring device and a temperature measuring device for non-invasively measuring a temperature of a medium in a tube, wherein the temperature measuring device includes first and second temperature sensors that are accommodated in a sleeve that has a closure for contacting a wall of the tube.

Abstract: A flow measurement system, a simulation program product, use of a vibration sensor for detecting a blockage and a diagnostic method for a flow measurement system attached to flow-traversable piping in which an orifice plate is disposed, wherein a fluid flows through the piping and the effective pressure is acquired in an effective pressure line, a vibration variable of a vibration is acquired via a vibration sensor mounted in the region of the orifice plate, blockage of the effective pressure line is detected if the magnitude of the acquired effective pressure is below an adjustable first threshold value and the magnitude of the acquired vibration variable is above an adjustable second threshold value, where a warning is output to a user and/or a data interface if a blockage of the effective pressure line is detected.

Abstract: A computer-implemented method for operating a technical device with a model based on artificial intelligence including detecting a first operating parameter of a reference apparatus in a first operating environment and a first permissible operating mode, detecting a second operating parameter of the reference apparatus in a second operating environment and a second permissible operating mode, performing a first Fourier transform for the first sensor signal and a second Fourier transform for the second sensor signal, determining a quotient from the first and second Fourier transforms as a transfer function, generating and training a first model based on artificial intelligence for the reference apparatus in the first operating environment, generating a second model based on artificial intelligence for the technical device in the second operating environment using the first model and applying the transfer function, and operating the technical device with the second model.

Abstract: A temperature measurement facility for determining a medium temperature of a medium from first and second temperatures at a location immediately around a surface surrounding the medium includes a first and second sensors for determining the first and second temperatures, and a measured value processor connected to the first and second sensors by a first and second feed lines and which provides, cyclically over time, at a measurement interval the first and second temperatures as the measured value for determining the medium temperature, wherein an evaluator is configured to determine a rate of change, from a difference between the first and second temperatures, and depending on its value configured to provide a quality feature, and is further configured to transmit the quality feature, as an evaluation of a measurement accuracy of the medium temperature, together with the measured value of the medium temperature, to a higher-level system.

Abstract: A measuring sensor includes a housing in which an acceleration sensor is arranged and in which a circuit board is retained with a sensor electronics arranged thereon and a mounting element functions to secure the measuring sensor to a test object, wherein the acceleration sensor is mechanically rigidly coupled to the mounting element and connected to the sensor electronics via a flexible line connection, where in order to optimize the coupling of the acceleration sensor to the test object to be monitored, in terms of detecting oscillations, vibrations or structure-borne noise, the acceleration sensor is directly connected to the mounting element without mechanical contact with the housing, and the housing is retained elastically on the mounting element and supported by the mounting element.

Abstract: Method for monitoring operation of a technical object, wherein a) a first orientation of the first acceleration sensor in the form of a position vector is determined, b) the mathematical model for operation of the object is generated and trained, c) the first acceleration sensor is disassembled and a three-axle replacement acceleration sensor is assembled with a new orientation on the object, d) acceleration values are detected, e) respective indicator values are calculated from the temporal course of the detected acceleration values of the replacement acceleration sensor, f) a replacement vector is determined from the indicator values and a differential vector between the replacement vector and the position vector of the first acceleration sensor determined in step b) is determined, and g) the model during operation of the object for the position vector in the orientation of the replacement vector is applied by taking into account the differential vector.

Abstract: A measuring sensor includes a housing in which an acceleration sensor is arranged and in which a circuit board is retained with a sensor electronics arranged thereon and a mounting element functions to secure the measuring sensor to a test object, wherein the acceleration sensor is mechanically rigidly coupled to the mounting element and connected to the sensor electronics via a flexible line connection, where in order to optimize the coupling of the acceleration sensor to the test object to be monitored, in terms of detecting oscillations, vibrations or structure-borne noise, the acceleration sensor is directly connected to the mounting element without mechanical contact with the housing, and the housing is retained elastically on the mounting element and supported by the mounting element.

Abstract: A thermoresistive gas sensor, e.g. for a flow sensor or a thermal conductivity detector, has a lattice with lattice webs, which consist of a semiconductor material arranged in the plane of the lattice in parallel next to one another, wherein the semiconductor material is formed on a plate-shaped semiconductor substrate that extends over a window-like cutout in the semiconductor substrate and forms the lattice, where the semiconductor layer is doped outside the cutout in areas of two ends of the lattice at least over the width of the lattice until it degenerates and/or bears metallizations, where the semiconductor layer further contains a separation structure insulating the two ends of the lattice from one another, in which the semiconductor material is removed or is not doped, and where the lattice webs extend in an S shape and are connected electrically in parallel to achieve a high measurement sensitivity and mechanical stability.

Abstract: An arrangement includes a field device with an on/off valve, a pneumatic actuator that moves the on/off valve, when applied with compressed air, into one on/off position and when ventilated into the other on/off position, a magnetic valve that applies compressed air to the actuator during electric actuation and ventilates the actuator during non-actuation and a function monitoring device that detects at least one parameter that refers to the movement of the on/off valve, where the function monitoring device includes a magnetic field sensor detecting changes to a magnetic field, where the magnetic field sensor is arranged in the region of the magnetic valve and generates a signal awakening the function monitoring device to detect the at least one parameter.

Abstract: A drive, method and a device for determining the torque of a shaft, wherein gear wheels engaged with one another in a gearbox serve to apply an axial force to the shaft, where the axial force is induced by helical teeth of the gear wheels, the axial force of the shaft is determined using a force sensor and/or a position sensor, and where the torque is determined arithmetically from the measured axial force such that a static and dynamic measurement of the torque on the shaft can be advantageously performed.

Abstract: A pressure sensor assembly includes a tube, wherein a membrane to which the pressure to be measured is applied is arranged in the cross-section of the tube, where the membrane has a high flexural rigidity in a central region and is mounted resiliently in the edge region in the tube via two limbs, and includes a device for detecting the axial displacement which is easily accessible from the outside on the outer side of the tube and is advantageously not in contact with the process medium, and where the pressure sensor assembly has a particularly simple structural configuration, and can be used advantageously in measurement transducers for process instrumentation.

Abstract: An arrangement includes a field device with an on/off valve, a pneumatic actuator that moves the on/off valve, when applied with compressed air, into one on/off position and when ventilated into the other on/off position, a magnetic valve that applies compressed air to the actuator during electric actuation and ventilates the actuator during non-actuation and a function monitoring device that detects at least one parameter that refers to the movement of the on/off valve, where the function monitoring device includes a magnetic field sensor detecting changes to a magnetic field, where the magnetic field sensor is arranged in the region of the magnetic valve and generates a signal awakening the function monitoring device to detect the at least one parameter.

Abstract: A pressure sensor assembly includes a tube, wherein a membrane to which the pressure to be measured is applied is arranged in the cross-section of the tube, where the membrane has a high flexural rigidity in a central region and is mounted resiliently in the edge region in the tube via two limbs, and includes a device for detecting the axial displacement which is easily accessible from the outside on the outer side of the tube and is advantageously not in contact with the process medium, and where the pressure sensor assembly has a particularly simple structural configuration, and can be used advantageously in measurement transducers for process instrumentation.

Abstract: A pressure sensor arrangement includes a tube with a diaphragm to pressure to be measured is applied arranged in the cross-section of the tube, wherein the diaphragm is fastened to the tube inner wall via an articulation extending along the circumferential region of the diaphragm, where deformation of the diaphragm results in rotation of the articulation directly on the wall of the tube which can therefore be detected from the outside by suitable structure such that that strain sensors, for example, which can be used to detect deformation are advantageously not in contact with the process medium and there is advantageously no need for a pressure-tight bushing for electrical signals, and where the pressure sensor arrangement has a particularly simple structure and can be advantageously used in measuring transducers for process instrumentation.

Abstract: A flow measurement arrangement and measuring transmitter for process instrumentation that includes the flow measurement arrangement, wherein the flow measurement arrangement operating in accordance with the differential-pressure method includes a tube and an elastically deformable measuring diaphragm (orifice plate) arranged in the cross section of the tube and a strain sensor that detects the deformation and converts it into an electric signal, where the measuring diaphragm (orifice plate) and the tube are formed in one piece from uniform material, and where both side of the measuring diaphragm (orifice plate) each pass into the tube via a fillet groove and the at least one strain sensor is arranged on the circumferential side of the tube opposite the fillet groove.

Abstract: A thermoresistive gas sensor, e.g. for a flow sensor or a thermal conductivity detector, has a lattice with lattice webs, which consist of a semiconductor material arranged in the plane of the lattice in parallel next to one another, wherein the semiconductor material is formed on a plate-shaped semiconductor substrate that extends over a window-like cutout in the semiconductor substrate and forms the lattice, where the semiconductor layer is doped outside the cutout in areas of two ends of the lattice at least over the width of the lattice until it degenerates and/or bears metallizations, where the semiconductor layer further contains a separation structure insulating the two ends of the lattice from one another, in which the semiconductor material is removed or is not doped, and where the lattice webs extend in an S shape and are connected electrically in parallel to achieve a high measurement sensitivity and mechanical stability.

Abstract: A measuring system for detecting variables on planet carriers of a planetary gear train having a plurality of planetary gear stages includes a first sensor which is arranged on one of the planet carriers of one of the planetary gear stages for detecting the variables of a planet gear rotationally connected to the at least one of the planet carriers. An electronics configured for arrangement on the planetary gear train is operably connected to the first sensor for supply of the first sensor with electrical energy.