Endress+hauserse+co. Kg

Pablo Ottersbach

Tobias Brengartner

Thomas Blödt

Winfried Mayer

Benjamin Mack

Jan Schleiferböck

Julia Rosenheim

The relates to a measuring device neck of a radar based, fill level measuring device for determining a fill level profile (L(α,β)) of a fill substance. In the measuring device neck, the waveguides for contacting the antenna arrangement are aligned along a contour (k, k), which surrounds the device neck axis radially symmetrically and adjoins the measuring device neck. Such is advantageous, since the waveguides can be made together as a monolithic, basic body, which can be inserted easily into the measuring device neck. Furthermore, the arrangement of the waveguides in the measuring device neck favors the thermal management in the transmitting/receiving electronics of the fill level measuring device, since its thermally critical radar chips can be spaced maximally from one another.

Fill-level measuring device

A high-frequency-based measuring device for determining a temperature-compensated dielectric constant of a medium includes a measuring probe having an electrically conductive inner conductor and an outer conductor. The inner conductor is rod-like along an axis. The inner wall of the outer conductor is symmetrical about the axis of the inner conductor and expands along the axis toward the medium. The measuring device includes a temperature sensor located in a first end region of the inner conductor, toward which end region the inner wall of the outer conductor expands. One of the temperature sensor terminals is at the potential of the inner conductor. The temperature of the medium is measured directly, without impairment of the high-frequency-based measurement of the dielectric constant. A highly accurate measurement of the dielectric constant and highly accurate temperature compensation are thereby made possible.

Temperature-compensated dielectric-constant measuring device

A high-frequency-based measuring device for determining a dielectric constant of a medium comprises a signal-generating unit for coupling an electrical high-frequency signal into a transmitting electrode located in the medium, the transmitting electrode having a depth of at most one quarter of the wavelength of the high-frequency signal; a receiving electrode likewise located in the medium and located a distance from the transmitting electrode of at most one quarter of the wavelength of the high-frequency signal, for receiving the high-frequency signal after the same has passed through the medium; and an evaluation unit designed to determine the dielectric constant on the basis of the received high-frequency signal.

Growing community of inventors

Essen, Germany

Pablo Ottersbach