Device for determining the ratio of substances

Details Device for determining the ratio of substances Device for determining the ratio of substances

1996-09-06

1998-09-08

Brown, Glenn W.

Electricity: measuring and testing

Impedance, admittance or other quantities representative of...

Distributive type parameters

324637, 324643, 324 725, G01N 2204, G01R 2706

Patent

active

058049762

ABSTRACT:
A measurement device and a method for indicating the ratio of two or more substances having different dielectric constants which form a body of material is described. The measurement device comprises an oscillator (1), a transmission line (5) connected at one end to the oscillator (1) and a probe unit (7) connected to the other end of the transmission line (5). The oscillator (1) transmits an oscillating signal via the transmission line (5) to the probe unit (7), where the probe unit (7) contacts with the body of material. The difference in voltage amplitude between two points in the transmission line (5) is measured, and is indicative of the ratio of the two or more substances.

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patent: 5256978 (1993-10-01), Rose
patent: 5397994 (1995-03-01), Phare

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