Micro-wave hygrometer

Details Micro-wave hygrometer Micro-wave hygrometer

1977-05-31

1978-07-25

Krawczewicz, Stanley T.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Frequency of cyclic current or voltage

73 29, 733365, G01R 2704

Patent

active

041032241

ABSTRACT:
A micro-wave hygrometer having a dielectric resonator, a micro-wave transmitter and receiver to and from the dielectric resonator, and an electro-static shield surrounding said dielectric resonator and a support supporting the dielectric resonator at the portion where the electric field is small. The humidity of air and/or gas can be measured by measuring the value Q of the resonator for micro-wave energy, or the loss of micro-wave energy.

REFERENCES:
patent: 2792548 (1957-05-01), Hershberger
patent: 3492568 (1970-01-01), Johnson
patent: 3946308 (1976-03-01), Miura et al.

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