Device for continuously measuring the liquid level in a containe

Details Device for continuously measuring the liquid level in a containe Device for continuously measuring the liquid level in a containe

1977-10-11

1979-03-06

Queisser, Richard C.

Measuring and testing

Liquid level or depth gauge

Immersible electrode type

G01F 2326

Patent

active

041424158

ABSTRACT:
A device for continuously measuring the liquid level in a container, wherein a capacitive sensor is disposed in the liquid to be measured and is connected with an oscillator as the frequency controlling element thereof, the output of the oscillator being connected with a suitable indicator or control, and wherein the capacitive sensor is formed of an elongate flexible strip of insulating material having opposite faces, with a plurality of elongate conductive elements embedded in the strip of material spaced approximately equidistantly from the opposite faces so that an electric field generated between the conductive elements can be substantially equally acted upon simultaneously on both sides of the device by the liquid to be measured, thereby enhancing the sensitivity of the sensing element, and enabling linear gauge characteristics to be obtained in irregularly shaped containers.

REFERENCES:
patent: 3827300 (1974-08-01), Thaler

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