Self alarming four double electrodes conductivity cell

Details Self alarming four double electrodes conductivity cell Self alarming four double electrodes conductivity cell

1980-07-14

1982-12-21

Tokar, Michael J.

Electricity: measuring and testing

Electrolyte properties

Using a conductivity determining device

324444, G01N 2742

Patent

active

043652000

ABSTRACT:
A liquid conductivity cell utilizing the Kelvin four-electrode system, and a circuit to operate an alarm when the operating electrodes have reached a predetermined state of fouling. Thus, the invention cell self alarms when the electrodes have fouled. The electrodes each have two flow passageways, whereby the liquid takes a "U" shaped path, and whereby the outer electrode closest to the liquid inlet and outlet fittings sinks all stray currents and the like to thereby permit interference free operation.

REFERENCES:
patent: 3774105 (1973-11-01), Henning
patent: 3947329 (1976-03-01), Segl
patent: 4275352 (1981-06-01), Sudar

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