Liquid sensing circuit

Details Liquid sensing circuit Liquid sensing circuit

1993-12-20

1995-01-03

Noland, Thomas P.

Electricity: measuring and testing

Impedance, admittance or other quantities representative of...

Lumped type parameters

134 57D, G01R 2726

Patent

active

053789938

ABSTRACT:
The invention is a device that senses the presence of detergent, sanitizer, or rinse agent in chemical feed tubes. More specifically, the device is a non-invasive chemical sensor which alleviates any need for direct contact with fluid or extra connections in the chemical feed tubes.

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patent: 5017879 (1991-05-01), Lucas et al.
patent: 5038807 (1991-08-01), Bailey et al.
patent: 5056542 (1991-10-01), Reinhard
patent: 5131419 (1992-07-01), Roberts
patent: 5187444 (1993-02-01), Kumada et al.

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