Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Frequency of cyclic current or voltage
Patent
1974-02-28
1976-02-03
Rolinec, R. V.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
Frequency of cyclic current or voltage
73194E, 204195F, G01N 2742
Patent
active
039367290
ABSTRACT:
A conductivity measurement probe formed of an electrically nonconducting rigid body which carries a cylindrical flow passage defining a flux channel to polarization current. The body has inlet and outlet means for passing aqueous liquid or other electrolytes through the flow passage. Four elongated metallic electrodes are positioned in alignment within the flow passage and in electric isolation from one another. Preferably, the outer electrodes serve as references for observing induced polarizing potential and an inner pair of the electrodes which serve auxiliary functions for providing current flow in the flow passage; and, the reference electrodes reside within the limits of the flux channel containing the polarization current. The reference and auxiliary electrodes are preferably spaced uniformly along the flow passage. Electrically conductive means extend from the electrodes within the body. These conductive means are insulated from one another and the body to form circuits through the electrodes during conductivity measurements.
REFERENCES:
patent: 2871445 (1959-01-01), Carter
patent: 2964941 (1960-12-01), Marsh
patent: 3250987 (1966-05-01), Okada
patent: 3458421 (1969-07-01), Dahms
patent: 3732159 (1973-05-01), Platt
Bednar Emil J.
Petrolite Corporation
Rolinec R. V.
Tokar Michael J.
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