Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Frequency of cyclic current or voltage
Patent
1976-09-01
1978-05-23
Rolinec, Rudolph V.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
Frequency of cyclic current or voltage
324 29, G01N 2742
Patent
active
040913244
ABSTRACT:
A conductivity cell for measuring the conductivity of a liquid comprising a pair of spaced apart electrodes insulated from each other. The proper spacing of the electrodes is provided by a washer formed of insulating material and it is strong, rigid and highly stable chemically and mechanically and is substantially unaffected by wide temperature variations. A single electric conducting element extends through the cell and at one end is electrically fixed to one of the electrodes. The single electric conducting element is adjustable to maintain the two electrodes and insulating washer in proper position. A protective and insulating shield is provided for detachable connection to the conductivity cell to protect the electrodes.
REFERENCES:
patent: 2611007 (1952-09-01), Cade et al.
patent: 2687185 (1954-08-01), McChesney
patent: 3065409 (1962-11-01), Estelle
Diamond Joseph M.
Kuzmik Joseph T.
McKernan Patrick F.
Teass, Jr. Horace A.
McNab Incorporated
Rolinec Rudolph V.
Tokar Michael J.
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