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Deviations from Beers Law in NDIR Gas Sensors

Gas detection

Deviations from Beers Law in NDIR Gas Sensors

15 Jun, 2009

Published over 17 years ago. See the latest and most current information on Gas detection.

Alan Doncaster

1 min read

Non Dispersive InfraRed sensors function by monitoring the absorption of infrared radiation in the wavelength range affected by target gases, typically in the 3-5 micron wavelength range. Aliphatic hydrocarbons absorb in this region due to the fundamental C-H bond stretches and carbon dioxide absorbs in this region due to the fundamental asymmetric O=C=O stretch.

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IET 36.5 Sept/Oct 2026

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