Capacitance probe

Details Capacitance probe Capacitance probe

1996-09-09

1999-01-19

Biegel, Ronald L.

Measuring and testing

Liquid level or depth gauge

Immersible electrode type

340620, G01F 2300

Patent

active

058603166

ABSTRACT:
A proximity sensing apparatus comprising a capacitor and means for detecting the change in capacitance of the capacitor. The capacitor comprises two capacitive elements that are insulated from each other and are relatively movable. With at least one of the capacitive elements formed from an electrically conducting liquid. The capacitance detecting means operate as a switch in response to the change in capacitance producing a binary output. This output being combined with a series of other outputs from a series of such proximity sensors to form an apparatus to determine position of an object, particularly a liquid level.

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