Abstract: A contacting device is provided for an impedance limit switch, the contacting device including: a printed circuit board having an electrically conductive contact surface; a radially disposed annular spring configured to establish electrical contact between the electrically conductive contact surface of the printed circuit board and at least one electrode of the impedance limit switch; and a non-conductive housing element. An impedance limit switch is also provided, including the contacting device; an electronic cup; and a measuring head configured to carry out a conductive and/or capacitive measurement and to record measurement data, the contacting device being configured to transmit the measurement data from the measuring head to the electronic cup via the contacting unit.

Abstract: A radar measuring device having a radio frequency unit for generating and/or receiving electromagnetic waves using an antenna for directional radiation of the electromagnetic waves, in which a waveguide for transmitting the electromagnetic waves is arranged between the radio frequency unit and the antenna is formed from two half-shells extending in the longitudinal direction of said waveguide.

Abstract: A sensor arrangement which is configured for measuring a filling level, a limit level and/or a pressure and has an antenna for transmitting and/or receiving a measurement signal, a waveguide with a first waveguide section for connection to the antenna and a second waveguide section, configured for transmitting the measurement signal, and a heat insulating element. The heat insulating element is arranged between the first and second waveguide sections and is arranged to at least partially prevent heat conduction between the first and second waveguide sections. The invention further relates to a heat insulating element for a sensor arrangement, the use of a heat insulating element for heat insulation of electronics of a level, limit level and/or pressure measuring device and the use of a sensor arrangement in a process plant.

Abstract: A field device includes a housing with a first end distant from a process and a second end close to the process, an electronic system arranged at the first end, and a process connection and a sensor arranged at the second end. The field device defines a first heat conduction path (A), which extends from the second end close to the process to an emitting region, and at least one second heat conduction path (B, B?), which extends from the second end close to the process to the electronic system, wherein the length of the first heat conduction path (A) is shorter than the length of the second heat conduction path (B, B?), and the heat conduction paths (A, B, B?) are arranged so that the thermal resistance of the first heat conduction path (A) is lower than the thermal resistance of the second heat conduction path (B, B?).

Abstract: A radar sensor is provided, including a waveguide configured to guide electromagnetic waves; and an RF adapter including an absorber, the absorber at least partially surrounding the waveguide and being an electrical component configured to absorb electromagnetic waves, and is also a mechanical component of the radar sensor.