Abstract: A block calibrator for calibrating a temperature sensor includes a calibrator sleeve having at least one sensor bore into which the temperature sensor is insertable along a longitudinal direction. The calibration sleeve also includes a body having at least two sections having different thermal conductivities.

Abstract: A block calibrator for calibrating a temperature sensor with a heating block, on which or in which at least one heating appliance is disposed, and wherein the heating block features a receiving bore for receiving a calibration insert, into which a test object formed by a temperature sensor can be inserted. According to the invention, an air gap (L) is formed at least in certain areas between an internal wall of the receiving bore and an external wall of the calibration insert.

Abstract: The object of the invention is a temperature calibrator for calibrating temperature sensors, wherein the temperature calibrator comprises at least one calibration volume, the temperature of which is to be adjusted and into which the temperature sensors to be calibrated can be inserted, at least one temperature control unit, which is in thermal contact with the calibration volume via one or several thermally conductive bodies, at least one temperature sensor, which is in thermal contact with said calibration volume, and at least one electrical control unit, which is electrically connected with the at least one temperature control unit and the at least one temperature sensor, wherein the temperature calibrator further comprises at least one magnetocaloric material and at least one magnetic field generating device.

Abstract: A block calibrator for calibrating a temperature sensor includes a calibrator sleeve having at least one sensor bore into which the temperature sensor is insertable along a longitudinal direction. The calibration sleeve also includes a body having at least two sections having different thermal conductivities.

Abstract: The invention relates to a method for regulating the temperature of the calibration volume of an apparatus for comparative calibration of temperature sensors to a target temperature, wherein said calibration device comprises heat sources and/or heat sinks, which are in thermal contact via a heat conducting part or a plurality of heat conducting parts with the calibration volume, wherein in at least one process step the real thermal state is calculated, wherein the Kalman filter is fed the measurement values of a temperature sensor located in the calibration device, and in at least one more process step the future thermal state is calculated using a thermal model of the dynamics of states.

Abstract: A block calibrator for calibrating a temperature sensor with a heating block, on which or in which at least one heating appliance is disposed, and wherein the heating block features a receiving bore for receiving a calibration insert, into which a test object formed by a temperature sensor can be inserted. According to the invention, an air gap (L) is formed at least in certain areas between an internal wall of the receiving bore and an external wall of the calibration insert.

Abstract: A calibrator for calibrating devices with a temperature function, e.g. thermometers or thermal switches has an input and display unit. The calibrator has a capacitive touchscreen with the input and display unit.

Abstract: The object of the invention is a temperature calibrator for calibrating temperature sensors, wherein the temperature calibrator comprises at least one calibration volume, the temperature of which is to be adjusted and into which the temperature sensors to be calibrated can be inserted, at least one temperature control unit, which is in thermal contact with the calibration volume via one or several thermally conductive bodies, at least one temperature sensor, which is in thermal contact with said calibration volume, and at least one electrical control unit, which is electrically connected with the at least one temperature control unit and the at least one temperature sensor, wherein the temperature calibrator further comprises at least one magnetocaloric material and at least one magnetic field generating device.

Abstract: The invention relates to a method for regulating the temperature of the calibration volume of an apparatus for comparative calibration of temperature sensors to a target temperature, wherein said calibration device comprises heat sources and/or heat sinks, which are in thermal contact via a heat conducting part or a plurality of heat conducting parts with the calibration volume, wherein in at least one process step the real thermal state is calculated, wherein the Kalman filter is fed the measurement values of a temperature sensor located in the calibration device, and in at least one more process step the future thermal state is calculated using a thermal model of the dynamics of states.

Abstract: A calibrator for calibrating devices with a temperature function, e.g. thermometers or thermal switches has an input and display unit. The calibrator has a capacitive touchscreen with the input and display unit.

Abstract: A vibration-type measuring device includes an exciter arrangement which exerts a time-dependent force with at least one sinusoidal component at an adjustable excitation frequency on a measuring tube, through which a medium can flow, and causes the measuring tube to oscillate. The measuring device includes first and second sensors which are fitted to the measuring tube at different locations. The first and second sensors output first and second measurement signals, respectively. The measuring device includes an evaluation unit which determines a first phase shift between the first and second measurement signals and uses the determined phase shift to determine a measurement variable of the medium. The measuring device includes a phase comparator, which determines a second phase shift between the force and the average value of the first and second measurement signals, and a frequency generator which sets the excitation frequency on the basis of the second phase shift.

Abstract: The disclosure relates to a Coriolis mass flowmeter with an oscillatable straight measuring tube consisting of a corrosion-resistant metal, in particular of titanium or a titanium alloy, to which are attached mounted parts connected directly to the measuring tube for the implementation of the Coriolis measurement principle. Furthermore, stabilizing elements running parallel to the measuring tube are coupled to the measuring tube via mounted parts connected directly to the measuring tube, the mounted parts and the stabilizing elements consisting of a metal other than that of the measuring tube. The stabilizing elements are manufactured from a second material which possesses a coefficient of thermal expansion adapted to the metal of the measuring tube. The mounted parts connected directly to the measuring tube are manufactured from a third material which possesses a higher coefficient of thermal expansion than the metal of the measuring tube.

Abstract: A measuring instrument to capture a physical/chemical measured value, including a sensor unit, which is linked via a contactless interface to a transmitter unit, for passing on to a central analysis unit, wherein the sensor unit includes an at least partly internal sensor element which vibrates against a sensor housing because of operation, and which is linked, contactlessly and inside the sensor unit, for sensor signal transmission, via a first transmission/reception unit, to a complementary second transmission/reception unit, which is arranged at a fixed location relative to the sensor housing, and which is also linked, contactlessly and outside the sensor unit, to a third transmission/reception unit of the transmitter unit.

Abstract: A method is disclosed for producing a connection between a measuring tube and at least one flange, e.g., in the case of a Coriolis mass flowmeter. In order to ensure reliable connection of the components in this case, the measuring tube can be inserted at one end over a portion through a flange bore, such that it projects out of the bore on the other side, and that the projecting end be flared out over the sealing face of the flange.

Abstract: A method for compensation for influences, which interfere with the measurement accuracy, in measurement devices of the vibration type, comprising a measurement tube through which a fluid medium can flow and which is caused to oscillate mechanically, acting as an oscillation body, by an excitation unit, whose oscillation behavior, which changes as a function of the flowrate and/or the viscosity and/or the density of the fluid medium, is detected by at least one oscillation sensor in order to determine the flowrate, wherein the material strain in the measurement tube is detected by means of at least one sensor, from which an indicator value for the influence causing the material strain is calculated in order to correct the measurement signal, by signal processing, from the indicator value obtained in this way.

Abstract: A process is disclosed for operating a measurement device of the vibration type in which at least one exciter arrangement excites the system to vibration and from the vibration parameters, a measurement quantity of a measurement medium in a tube system is determined. A time-dependent force f(t)=F sin(?t)+g(t) with at least one sinusoidal component with an adjustable frequency ? can be used which acts on at least one vibration-capable part of the measurement device of the vibration type. A response signal of the vibration-capable part, (e.g., its time dependent velocity v(t)=V sin(?t+?)+h(t)) can be measured, and a phase shift ? between the response signal and the force f of a signal component which oscillates with a frequency ? is determined. The phase shift ? can be used as the input for a frequency controller so that the excitation frequency is automatically adjusted as a function of ?.

Abstract: A method for operation of a vibratory measurement instrument comprises flowing a fluid through at least one measurement tube; causing the measuring tube to oscillate mechanically using an oscillation production unit; detecting an oscillation behavior of the tube using at least one oscillation sensor; determining at least one of a mass flow, a viscosity, and a density in a narrowband frequency range based on the oscillation behavior; evaluating at least one of the mass flow, the viscosity, and the density using signal processing of an electronics unit; and evaluating the oscillation behavior at least at times in a broadband frequency range using the electronics unit.

Abstract: A vibration-type measuring device includes an exciter arrangement which exerts a time-dependent force with at least one sinusoidal component at an adjustable excitation frequency on a measuring tube, through which a medium can flow, and causes the measuring tube to oscillate. The measuring device includes first and second sensors which are fitted to the measuring tube at different locations. The first and second sensors output first and second measurement signals, respectively. The measuring device includes an evaluation unit which determines a first phase shift between the first and second measurement signals and uses the determined phase shift to determine a measurement variable of the medium. The measuring device includes a phase comparator, which determines a second phase shift between the force and the average value of the first and second measurement signals, and a frequency generator which sets the excitation frequency on the basis of the second phase shift.

Abstract: The disclosure relates to a vibration-type measuring device for measuring at least one process variable, in particular a mass flow rate, a density, a viscosity, a pressure or the like, in particular in a process line through which a medium can flow, which device comprises at least one measurement sensor which provides a measurement signal that can be influenced by the process variable, the measured value determined for the process variable by the measuring device being able to be determined from a functional relationship in conjunction with measurement parameters from the measurement signal, and the measurement parameters having a temperature-dependent cross-sensitivity with respect to the temperature distribution in the measuring device.

Abstract: The disclosure relates to a Coriolis mass flowmeter with an oscillatable straight measuring tube consisting of a corrosion-resistant metal, in particular of titanium or a titanium alloy, to which are attached mounted parts connected directly to the measuring tube for the implementation of the Coriolis measurement principle. Furthermore, stabilizing elements running parallel to the measuring tube are coupled to the measuring tube via mounted parts connected directly to the measuring tube, the mounted parts and the stabilizing elements consisting of a metal other than that of the measuring tube. The stabilizing elements are manufactured from a second material which possesses a coefficient of thermal expansion adapted to the metal of the measuring tube. The mounted parts connected directly to the measuring tube are manufactured from a third material which possesses a higher coefficient of thermal expansion than the metal of the measuring tube.