Nondispersive infrared gas analyzer

Details Nondispersive infrared gas analyzer Nondispersive infrared gas analyzer

1981-08-03

1985-01-29

Howell, Janice A.

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

250345, 250352, G01J 100

Patent

active

044968400

ABSTRACT:
A nondispersive, two-beam, infrared gas analyzer with two differently long measuring gas cells and differential detectors is improved by gilt detection cell interiors and absorbing rods in the detector cell which is in line with the shorter measuring gas cell. Adjustable absorption permits suppression of cross sensitivity errors.

REFERENCES:
patent: 3925667 (1975-12-01), Staab
patent: 4281248 (1981-07-01), Fabinski et al.
patent: 4373137 (1983-02-01), Fabinski et al.

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