Acronym · Photonics, MEMS & Sensors
NDIR (Non-Dispersive Infrared)
A gas sensing method that passes infrared light through a sample chamber and measures absorption at a wavelength characteristic of the target gas, giving a selective, stable reading.
- Also known as
- NDIR gas sensor
- Type
- Acronym
- Domain
- Photonics, MEMS & Sensors, Sensor interfaces
Notes
The reference method for CO2 measurement in ventilation control; more accurate and far more stable than metal-oxide alternatives.
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