Measuring sensor for capacitive measurement of liquids at select

Details Measuring sensor for capacitive measurement of liquids at select Measuring sensor for capacitive measurement of liquids at select

1978-04-17

1979-12-11

Goldberg, E. A.

Electricity: electrical systems and devices

Electrostatic capacitors

Variable

73304C, H01G 700

Patent

active

041786238

ABSTRACT:
The parts of a measuring sensor include an electrode mounted on a conductive body and insulated therefrom. Part of the electrical capacitance between the electrode and the body is determined by the dielectric constant and conductivity of the material in which the electrode and body are immersed. A screening band is provided along part of the length of the electrode so as to shield the electrode from the electrical effects of the material so that only selected levels of material will affect the capacitance.
The sensor is ideal for use in enamelled steel vessels.

REFERENCES:
patent: 2998559 (1961-08-01), Smith
patent: 3025201 (1962-03-01), Ponemon
patent: 3269180 (1966-08-01), Schreiber
patent: 3838318 (1974-09-01), Schmidt
patent: 3879644 (1975-04-01), Maltby
patent: 4021707 (1977-05-01), Ehret

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