Capacitance circuit for level measurement

Details Capacitance circuit for level measurement Capacitance circuit for level measurement

1981-01-29

1983-05-17

Birmiel, Howard A.

Measuring and testing

Liquid level or depth gauge

Immersible electrode type

361284, G01F 2326

Patent

active

043834450

ABSTRACT:
The circuit of a primary element capacitor is energized and arranged to produce a proximity signal not substantially affected by the conductivity of fluid-like material accumulated on the capacitor structure. The energization, circuit components, and capacitor insulation minimize the electrical characteristics of the material accumulation on the capacitor.

REFERENCES:
patent: 2942467 (1960-06-01), Campani
patent: 2974526 (1961-03-01), Lerner et al.
patent: 3781672 (1973-12-01), Maltby et al.
patent: 3879644 (1975-04-01), Maltby
patent: 4069710 (1978-01-01), Treier
patent: 4169543 (1979-10-01), Hall
patent: 4178623 (1979-12-01), Emmerich et al.

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