Method and apparatus for linearization of non-dispersive infrared detector response
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United States of America Patent
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Jun 18, 1996
Grant Date -
N/A
app pub date -
Mar 1, 1995
filing date -
Mar 1, 1995
priority date (Note) -
Expired
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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.
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