What is it?
OCIEngine is an infrared spectrometer that measures Volatile Organic Compounds (VOC) in the air. It is specific to analyse a molecule of interest, such as nitrous oxide.
The measuring chamber of the sensor is crossed by infrared radiation. When the air is introduced into this chamber, the molecules of interest absorb a part of the radiation, which reduces the intensity of the optical signal. The concentration of the gas can therefore be deduced according to the Beer-Lambert’s physical law.
NDIR N2O Sensor
Looking for custom gas measurement solutions for your project?
N2O DETECTION – MODEL NUMBER CO000033
|Unit of measurement||ppm|
|Measurement range||0 – 1000 ppm|
|Detection limit (3σ)||200 ppm|
|Repeatability||0.5% Full Scale + 1% reading|
|Test duration||4000 ms minimum|
|Air inlet||Minimal relative pressure at measuring cell inlet port: 0.3 millibars Maximal relative pressure at measuring cell inlet port: 10 millibars|
|Flow rate range||From 0,1 to 1,5 L/min|
|Sampling period||125 ms|
|Sample temperature||34°C +5°C|
|Sample humidity||>95% Human breath|
|Supply voltage||3,7 VDC min 5,5 VDC max|
|Input current||1,5 A max|
|Communication interface||RS232 protocol (other on request) Solder pad connection (recommended cable sections : ≤0.13 mm² AWG ≥ 26)|
|Discover our evaluation kit to help you pre-integrate and test the sensor in your systems|
|Operating conditions||From 0°C to 50°C|
|Storage||From -10°C to 70°C|
|Typical starting time||60s|
|Dimensions and weight||21 x 21 x 80 mm, 17g|
|External plastic casing||ABS PC-UL94V0|
|Fixing parts||3 apertures (Ø 1.6 mm) compatible with self-tapping screws (1.8 mm recommended) to fix OCIEngine|
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