Remote conductivity sensor having transformer coupling in fluid

Details Remote conductivity sensor having transformer coupling in fluid Remote conductivity sensor having transformer coupling in fluid

1986-05-30

1988-04-26

Eisenzopf, Reinhard J.

Electricity: measuring and testing

Electrolyte properties

Using a conductivity determining device

324450, 324442, G01N 2707

Patent

active

047407557

ABSTRACT:
A cell for remotely sensing conductivity of a fluid passing through it, the cell having an inlet and an outlet and two fluid paths between the two, thereby defining a fluid loop, an excitation transformer comprising a first toroidal core having a hole through it and wire turns around it, the core encompassing a portion of the fluid loop therein, and a sensing transformer comprising a second toroidal core having a hole through it and wire turns around it, the core encompassing a portion of the fluid loop, the cores being coplanar to thereby reduce leakage between the transformers.

REFERENCES:
patent: 3387209 (1968-06-01), Eames et al.
patent: 3396331 (1968-08-01), Sperry, III
patent: 3404336 (1968-10-01), Rosenthal
patent: 3980946 (1976-09-01), Fleury
patent: 4138639 (1979-02-01), Hutchins
Great Lakes Instruments, Inc., Models 32014 and 33324, Electrodeless Conductivity Sensors, Data Sheet 30002/1081.
Great Lakes Instruments, Inc., Electrodeless Conductivity Analyzers, Data Sheet S75A/1182.

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