Gas measuring apparatus with means to reduce thermal radiation e

Details Gas measuring apparatus with means to reduce thermal radiation e Gas measuring apparatus with means to reduce thermal radiation e

1985-07-15

1986-08-19

Pianalto, Bernard D.

Optics: measuring and testing

For light transmission or absorption

Of fluent material

356436, 356437, 356439, G01N 2100

Patent

active

046066446

ABSTRACT:
A gas measuring device has a source capable of emitting a beam of radiation aligned to impinge a detector. A housing means encloses the beam. The housing means has a plurality of apertures permitting the gas to enter the housing means, to intercept the beam, and to exit from the housing means. The device further comprises means to control the amount of thermal radiation reaching the detector.

REFERENCES:
patent: 3323409 (1967-06-01), Fruengel
patent: 3856404 (1974-12-01), Hershler
patent: 4420687 (1983-12-01), Martinez

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