Humidity detecting apparatus

Details Humidity detecting apparatus Humidity detecting apparatus

1979-12-26

1982-04-27

Gill, James J.

Measuring and testing

Gas analysis

Moisture content or vapor pressure

338 35, 324 65R, G01W 100

Patent

active

043264140

ABSTRACT:
A humidity detecting resistor porcelain element, with at least one portion of an electrode being made of a resistance heating unit and the electrode serving for the resistance heating unit and humidity detecting element, and a humidity detecting apparatus using the humidity detecting resistor porcelain element. The heating and cleaning operations of the humidity detecting resistor porcelain can be uniformly and efficiently performed, thus ensuring the stable humidity detection. Also, the circuit construction of the humidity detecting apparatus can be simplified. They can be provided for use in the detecting and controlling operations of the various humidities.

REFERENCES:
patent: 2740293 (1956-04-01), Brady
patent: 4011538 (1977-03-01), Froemel
patent: 4015230 (1977-03-01), Nitta
patent: 4017820 (1977-04-01), Ross
patent: 4080564 (1978-03-01), Nitta

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