Gas component detector

Details Gas component detector Gas component detector

1979-10-18

1981-07-07

Marcus, Michael S.

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Means for analyzing gas sample

73 27R, 324 71SN, 338 22SD, 338 34, 340633, 422 88, 422 90, 422 98, 23232E, G01N 2712

Patent

active

042774390

ABSTRACT:
In a gas component detector, a first gas component detecting element is formed by a metal oxide having an electric resistance depending on the concentration of gas components and on the temperature of a detected gas. A second gas component detecting element is formed by a metal oxide having the same temperature coefficient of electric resistance as that of the first gas component detecting element and having an electric resistance depending on the concentration of gas components and on the temperature of the detected gas and having a slower detection response time against the concentration of gas components in the detected gas than that of the first gas component detecting element.

REFERENCES:
patent: 4099922 (1978-07-01), Yasuda et al.
patent: 4120270 (1978-10-01), Asano
patent: 4151503 (1979-04-01), Germak et al.
IC OP-AMP Cookbook, Jung 1976, pp. 514-515.

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