Electrodeless conductivity sensor with inflatable surface

Details Electrodeless conductivity sensor with inflatable surface Electrodeless conductivity sensor with inflatable surface

1990-01-24

1991-12-31

Wieder, Kenneth A.

Electricity: measuring and testing

Electrolyte properties

Using a conductivity determining device

324204, G01N 2702

Patent

active

050775251

ABSTRACT:
An inductive conductivity sensor is immersed in a liquid to measure its conductivity. The sensor comprises a transducer for generating a changing magnetic field and for inductively measuring an electric current induced in the liquid by the changing magnetic field. The transducer has an external surface facing the liquid. A elastic membrane separates the external surface from the liquid. The elastic membrane is periodically inflated and deflated to deform its outer shape and thereby remove deposits formed on the membrane.

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Electrochemical Methods of Process Analysis, D. E. Smith et al. (Instrument Society of America 1972).

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