Infrared ray gas analyzing apparatus

Details Infrared ray gas analyzing apparatus Infrared ray gas analyzing apparatus

1981-07-31

1983-11-08

Willis, Davis L.

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

G01N 2126

Patent

active

RE0314382

ABSTRACT:
An infrared type gas analyzer having measuring and reference cells is equipped with alternately switchable valves so that the cells can alternate acting as the measuring and reference cells. The output of the detector is stored for each configuration and these outputs are subtracted from one another to provide the output of the analyzer.

REFERENCES:
patent: 3193676 (1965-07-01), Smart
patent: 4004146 (1977-01-01), Blunck

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