Abstract: A lid to be connected to a housing of a status display for a sensor, with a basic body comprising a covering surface and at least one side wall, wherein the basic body has at least one light-transmissive light emitting region to facilitate an illumination of desired areas of the lid that is homogeneous and space-saving, with a first reflector unit and a second reflector unit arranged opposite each other, and wherein an opening for arranging a lighting means is formed in the second reflector unit, wherein the light emitted by the lighting means is reflected to the at least one light emitting region by means of the first reflector unit and the second reflector unit.

Abstract: An optical level measuring device configured to measure a fill level of a medium through the container wall of a plastic container, having an optical distance sensor as well as a radar sensor.

Abstract: A field device having an integrated first chip card with a first set of parameters and an interface to a replaceable second chip card. The interface is arranged to receive a second set of parameters from the second chip card. The field device is arranged to establish a connection to a cloud service using the first and/or second set of parameters.

Abstract: A lid to be connected to a housing of a status display for a sensor, with a basic body comprising a covering surface and at least one side wall, wherein the basic body has at least one light-transmissive light emitting region to facilitate an illumination of desired areas of the lid that is homogeneous and space-saving, with a first reflector unit and a second reflector unit arranged opposite each other, and wherein an opening for arranging a lighting means is formed in the second reflector unit, wherein the light emitted by the lighting means is reflected to the at least one light emitting region by means of the first reflector unit and the second reflector unit.

Abstract: A field device housing with electronics disposed in the field device housing and a monitoring device, characterized by electronics which electrically check the monitoring device and by the monitoring device, which displays a state of the field device housing.

Abstract: An assembly arrangement for connecting a membrane of a vibration sensor with a drive unit such that vibrations of the drive unit are transmitted to the membrane and vibrations of the membrane are transferred to the drive unit, wherein the assembly arrangement is formed as a cylindrical sleeve, having on one end a fastening section for indirectly or directly fastening to the membrane or an element connected with the membrane, and an insertion opening for the drive unit on the other end.

Abstract: An impedance limit switch is configured to determine a limit level of a medium. The switch may include a measuring probe having an oscillator circuit; and an electronic circuit configured to generate an excitation signal for the oscillator circuit. The electronic circuit is further configured to sweep a frequency of the excitation signal and determine a resonance curve of the oscillator circuit. The electronic circuit is further configured to adapt an amplitude of the excitation signal dependent upon the resonance curve in order to reduce an EMC radiation of the switch.

Abstract: A Piezo-electric transceiver for a vibration sensor, with the Piezo-electric transceiver being embodied as a separately handled unit with a drive seat comprising a mechanical connection section for connecting the Piezo-electric transceiver to a mechanical oscillation unit of the vibration sensor.

Abstract: A field device housing with electronics disposed in the field device housing and a monitoring device, characterized by electronics which electrically check the monitoring device and by the monitoring device, which displays a state of the field device housing.

Abstract: An assembly arrangement for connecting a membrane of a vibration sensor with a drive unit such that vibrations of the drive unit are transmitted to the membrane and vibrations of the membrane are transferred to the drive unit, wherein the assembly arrangement is formed as a cylindrical sleeve, having on one end a fastening section for indirectly or directly fastening to the membrane or an element connected with the membrane, and an insertion opening for the drive unit on the other end.

Abstract: A method for determining a switching status of an impedance sensor comprising a measuring probe, which can be influenced in its capacity by a medium surrounding the measuring probe, a measuring oscillator circuit in which the measuring probe is arranged as a capacity-determining element, an electronic unit with a signal generator to excite the measuring oscillator circuit, and a signal detector to determine a response signal of the measuring oscillator circuit, and an evaluation and control unit which is connected to the electronic unit, with the signal generator being addressed with an input signal, the response signal of the measuring oscillator circuit being determined, a switching status being issued based on the output value, and a plurality of amplitude minima of the frequency response being determined, whereby in the event that precisely one minimum is determined, here the minimum being issued as the output value.

Abstract: A vibration sensor, with a diaphragm that can be excited via a drive to vibrate, and a mechanical vibrator arranged at said diaphragm, with the mechanical vibrator comprising a cover with at least one closed interior chamber.

Abstract: The a vibration sensor comprising a membrane that can be stimulated so as to oscillate by means of a piezoelectric drive, and a mechanical oscillator arranged on the membrane, at least one piezoelectric element of the drive comprising at least one first electrical contact structure on an upper side of the piezoelectric element and at least one second electrical contact structure on a lower side of the piezoelectric element, such that the at least one piezoelectric element is designed so that an active area of the piezoelectric element corresponds to an area of a mechanical deformation of the unidirectional curvature of the membrane, during a pre-defined eigenmode of the mechanical oscillator.

Abstract: A vibration sensor with a diaphragm that can be set into vibration, a piezo-electric drive for setting the diaphragm into vibration and for detecting vibrations in the diaphragm, with the drive having at least two serial mechanical piezo elements, a temperature sensor, with at least a first piezo element made from a first piezo-electric material and at least a second piezo element made from a second piezo-electric material.

Abstract: A method for determining a switching status of an impedance sensor comprising a measuring probe, which can be influenced in its capacity by a medium surrounding the measuring probe, a measuring oscillator circuit in which the measuring probe is arranged as a capacity-determining element, an electronic unit with a signal generator to excite the measuring oscillator circuit, and a signal detector to determine a response signal of the measuring oscillator circuit, and an evaluation and control unit which is connected to the electronic unit, with the signal generator being addressed with an input signal, the response signal of the measuring oscillator circuit being determined, a switching status being issued based on the output value, and a plurality of amplitude minima of the frequency response being determined, whereby in the event that precisely one minimum is determined, here the minimum being issued as the output value.

Abstract: The a vibration sensor comprising a membrane that can be stimulated so as to oscillate by means of a piezoelectric drive, and a mechanical oscillator arranged on the membrane, at least one piezoelectric element of the drive comprising at least one first electrical contact structure on an upper side of the piezoelectric element and at least one second electrical contact structure on a lower side of the piezoelectric element, such that the at least one piezoelectric element is designed so that an active area of the piezoelectric element corresponds to an area of a mechanical deformation of the unidirectional curvature of the membrane, during a pre-defined eigenmode of the mechanical oscillator.

Abstract: A Piezo-electric transceiver for a vibration sensor, with the Piezo-electric transceiver being embodied as a separately handled unit with a drive seat comprising a mechanical connection section for connecting the Piezo-electric transceiver to a mechanical oscillation unit of the vibration sensor.

Abstract: An impedance limit switch is configured to determine a limit level of a medium. The switch may include a measuring probe having an oscillator circuit; and an electronic circuit configured to generate an excitation signal for the oscillator circuit. The electronic circuit is further configured to sweep a frequency of the excitation signal and determine a resonance curve of the oscillator circuit. The electronic circuit is further configured to adapt an amplitude of the excitation signal dependent upon the resonance curve in order to reduce an EMC radiation of the switch.

Abstract: Disclosed is a piezoelectric transmission and/or reception device consisting of at least one piezo element, at least two electrodes for making contact with the piezo elements and at least two insulating elements for providing top and bottom insulation, wherein at least the piezo element and the electrodes are sintered so as to form a single block.

Abstract: A vibration sensor with a diaphragm that can be excited to a vibration and a drive for setting the diaphragm into vibration and/or for detecting a vibration of the diaphragm, with the drive representing an electromagnetically acting drive and comprising at least one bolt coupled to the diaphragm, a permanent magnet, and a coil, with the drive showing a damper element which is embodied and arranged such that it damps interfering modes to a greater extent than effective modes.