LumaSense Technologies INNOVA 1316A-1 - Manual (Page 12)

Chapter 1
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BE6020-14 1316A-1 Multi Gas Monitor LumaSense Technologies A/S
Instruction Manual Page 12 of 98
Figure 1.2 Simple NDIR Gas Monitor
1.4.2 The Infrared Transmission Spectra.
The concentration of a subject gas in the sample is computed as a
function of the light intensity measured by the detector. The figure
below characterizes the absorption and band pass filter curves for
HC, CO, and CO
2
gases.
Figure 1.3 Infrared Transmission Spectra for Hexane, Carbon Monoxide
and Carbon Dioxide.