Process change sensor

Details Process change sensor Process change sensor

1975-03-26

1976-08-17

Tung, T.

Chemistry: electrical and wave energy

Processes and products

Vacuum arc discharge coating

G01N 2746

Patent

active

039752534

ABSTRACT:
A process change sensor comprising a tubing means, a first electrode positioned at one end of the tubing means for contact with a process medium, a second, permeable electrode positioned inwardly in the tubing means from said first electrode, a porous body separating said second electrode from said first electrode, means for supplying electrolyte through said tubing means to said second electrode whereby said supplied electrolyte can flow through said porous body to said first electrode, and means for measuring the change in EMF between said first and second electrodes as a result of changes in the process medium at said first electrode.

REFERENCES:
patent: 1474151 (1923-11-01), Keeler
patent: 2414411 (1947-01-01), Marks
patent: 2684938 (1954-07-01), Mantzell
patent: 3498900 (1970-03-01), Banks et al.

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