Method and apparatus for linearization of non-dispersive infrare

Details Method and apparatus for linearization of non-dispersive infrare Method and apparatus for linearization of non-dispersive infrare

1995-03-01

1996-06-18

Fields, Carolyn E.

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

250344, G01N 2161

Patent

active

055280390

ABSTRACT:
A method and apparatus for adjusting the raw, instantaneous response of an NDIR and determining a linear response therefrom is disclosed. The NDIR detector cell is connected to an output which is adjusted according to the function (Ax)/(1-x) where the coefficient A is a constant for the NDIR being used, and x is the raw, instantaneous, response of the detector. The coefficient A is determined by assessing the maximum response of the NDIR with an infinite mass of analyte within the sample cell.

REFERENCES:
patent: 4290296 (1981-09-01), Bredeweg et al.
patent: 4355233 (1982-10-01), Warnke et al.
patent: 4581714 (1986-04-01), Reid
patent: 4849636 (1989-07-01), Fertig, Sr.
patent: 5297419 (1994-03-01), Richardson
patent: 5357113 (1994-10-01), Liston et al.

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