Capacitive measuring transducer

Details Capacitive measuring transducer Capacitive measuring transducer

1978-09-27

1981-01-13

Karlsen, Ernest F.

Electricity: measuring and testing

Conductor identification or location

Inaccessible

73304C, 361284, G01R 2726

Patent

active

042451884

ABSTRACT:
A capacitive measured value transducer for ascertaining the level of filling in a container. A probe electrode is combined with a circuit board carrying the associated electronic circuit into a unit which is suspended in the container on a cable provided with an external insulating cover. The circuit board is accommodated in a metal tube which is connected at one end to a hollow insulating member which, at the end remote from the metal tube, carries the probe electrode which is connected, by means of a wire extending through the hollow interior of the insulating member, to the circuit board which, in its turn, is connected at the opposite end of the metal tube to the conductors of the cable. The rigid unit consisting of the probe electrode, the insulating member and the metal tube together with the end section of the cable is covered by a continuous homogeneous sheathing of insulating material.

REFERENCES:
patent: 2836739 (1958-05-01), Mesh
patent: 3826980 (1974-07-01), Deichelmann et al.
patent: 3870951 (1975-03-01), Brown et al.
patent: 3909948 (1975-10-01), Markfelt
patent: 4025846 (1977-05-01), Franz et al.

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