Reliable and Accurate NDIR Gas Sensing
Featured Product from Electro Optical Components, Inc.
The NDIR modules use a broadband IR detector [thermopile, pyroelectric or lead selenide (PbSe)] with a narrow bandpass filter in front of the detector to look at the absorption band of the gas you are interested in. They use a broadband IR source to shine through the gas on to the detector.
If your choice is the complete NDIR Gas Sensor Module, you have you have the options of Precision, Compact and Low Cost. All these NDIR Gas Sensor Modules and NDIR Components are available from Electro Optical Components.