Device for measuring conductivity of a solution

Details Device for measuring conductivity of a solution Device for measuring conductivity of a solution

1976-10-13

1979-07-10

Tokar, M.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Frequency of cyclic current or voltage

324 30B, G01N 2742

Patent

active

041609468

ABSTRACT:
The invention concerns a novel device for measuring the conductivity of a solution, comprising a probe having at least two electrodes for immersion in the solution, and converter means for converting the output from the electrodes which is proportional to the conductivity of the solution into an output having a frequency which is proportional to said conductivity. The converter means may comprise a difference amplifier operating as an oscillator.

REFERENCES:
patent: 3432418 (1969-03-01), Kleiss
patent: 3832629 (1974-08-01), Cernek
patent: 3906353 (1975-09-01), Murdock
patent: 3922598 (1975-11-01), Steuer
patent: 4004223 (1977-01-01), Cohen

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