Means and method for determining the conductance of a fluid

Details Means and method for determining the conductance of a fluid Means and method for determining the conductance of a fluid

1991-01-03

1992-04-21

Wieder, Kenneth A.

Electricity: measuring and testing

Impedance, admittance or other quantities representative of...

Distributive type parameters

324698, 324643, G01N 2200, G01R 2704

Patent

active

051072190

ABSTRACT:
The conductance meter includes source means which irradiates a fluid with microwave energy. A receiver receives microwave energy that has passed through the fluid and provides the received microwave energy as test microwave energy. Electronic apparatus determines the conductance of the fluid in accordance with the amplitude of the test microwave energy and the phase difference between the microwave energy from the source and the test microwave energy from the receiver where only 1 microwave frequency is used.

REFERENCES:
patent: 4902961 (1990-02-01), De
patent: 4947127 (1990-08-01), Helms
patent: 4947128 (1990-08-01), Hatton
patent: 4947129 (1990-08-01), Helms
patent: 4977377 (1990-12-01), Durrett
patent: 5001434 (1991-03-01), Marrelli
patent: 5014010 (1991-05-01), Helms

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