Detector for carbon monoxide concentration of a gas

Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Means for analyzing gas sample

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436134, 436152, G01N 2716

Patent

active

044217200

ABSTRACT:
Apparatus for the detection of carbon monoxide concentration of a gas. The apparatus comprises a base from which a pair of arms extend, a resistance layer disposed on each arm serving both to measure the difference in temperature between the arms and to heat a catalyst layer; a protective layer on the resistance layers to prevent electrical shorts caused by deposit of conductive particles in the gas to be detected; and a catalyst layer on one and only one of the arms in contact with the protective layer.

REFERENCES:
patent: 3549329 (1970-12-01), Silverman et al.
patent: 4043305 (1977-08-01), Henault
patent: 4123225 (1978-10-01), Jones et al.
patent: 4164539 (1979-08-01), Johnston

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