Digital fluid analyzer using capacitive sensing

Details Digital fluid analyzer using capacitive sensing Digital fluid analyzer using capacitive sensing

1984-09-10

1987-06-23

Krawczewicz, Stanley T.

Electricity: measuring and testing

Conductor identification or location

Inaccessible

G01R 2726

Patent

active

046755969

ABSTRACT:
Apparatus for determining the dielectric constant of a fluid as a measure of possible contaminants therein. A reference fluid sample having a known dielectric constant is first placed in a capacitive dielectric sensor and then the fluid to be analyzed is placed in the sensor. By comparing the measured values, an indication is provided of the degree of contamination of the analyzed fluid.

REFERENCES:
patent: 2577612 (1951-12-01), Fay
patent: 3215931 (1965-11-01), Schooley, Jr.
patent: 3238452 (1966-03-01), Schmitt et al.
patent: 3775679 (1973-11-01), Abbe
patent: 3778707 (1973-12-01), Vogel
patent: 4228393 (1980-10-01), Pile
patent: 4240028 (1980-12-01), Davis, Jr.

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