Liquid level measuring system

Details Liquid level measuring system Liquid level measuring system

1991-12-30

1993-05-11

Cuchlinski, Jr., William A.

Measuring and testing

Liquid level or depth gauge

Thermal type

73304R, 340450, 340620, G01F 2324

Patent

active

052107698

ABSTRACT:
A liquid level measuring and indicating system using a positive temperature coefficient wire as a sensor, a microprocessor based operating circuit, and an electronically controlled display device. With energy to operate the system being supplied by a battery, circuit includes energy conservation provisions.

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patent: 4679432 (1987-07-01), Draeger
patent: 4751845 (1988-06-01), Peterson et al.
patent: 4845469 (1989-07-01), Benda
patent: 4912646 (1990-03-01), Cerruti
patent: 4988975 (1991-01-01), Nap

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