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NDIR

   Also found in: Wikipedia 0.01 sec.
AcronymDefinition
NDIRNon Dispersive Infra Red (used to measure the concentration of CO, CO2 in exhaust)
NDIRNon-Ionic Detergent-Insoluble Cellular Residue


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One that has been prevalent for the last 20 years is NDIR (Non-dispersive Infrared), which is typically fairly broadband and can be used for Point or Open Path detectors.
Cemtrex CEMS features compact sampling drawer for easy operation and maintenance and a choice of wide variety of analyzer technologies from NDIR to CLD, HFID, Paramagnetic, etc.
But the functional principle of a NDIR is based on the fact that gases with a constant dipole moment absorb electromagnetic radiation in specific wavelength ranges, particularly within the infrared spectrum.
 
 
 
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