Infrared analyzer

Radiant energy – Invisible radiant energy responsive electric signalling – Infrared responsive

Patent

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Details

250373, G01H 2126

Patent

active

039768830

ABSTRACT:
A non-dispersive infrared correlation spectrometer for determining the presence of a gas having a known characteristic infrared absorption spectrum in a gaseous mixture is disclosed which utilizes a unique combination filtering system in cooperation with a highly sensitive solid state detector which provide a highly selective and sensitive instrument.

REFERENCES:
patent: 2721942 (1955-10-01), Friel
patent: 2758215 (1956-08-01), Skarstrom
patent: 3435209 (1969-03-01), Keahl
patent: 3539804 (1970-11-01), Illetdeaux
patent: 3562522 (1971-02-01), Cederstrand

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