Low Power ATEX & IECEx Certified NDIR Sensor for CO2 or HC Detection

The IR series of infrared gas detection sensors, from N.E.T. Srl (Italy) use the technique of NDIR Co2 Sensor (Non Dispersive Infrared) to monitor the presence of hydrocarbons or carbon dioxide.

This technique is based on the fact that the gas has an unique and well defined light absorption curve in the infrared spectrum that can be used to identify the specific gas. The gas concentration can be determined by using a suitable infrared source and analysing the quantity of energy absorbed from the gas inside the optical path.

The IRNEX-P Low Power sensor is equipped with electronics and firmware in order to provide an output that is linearized and temperature compensated. The output is analogue voltage type [0.4 V—2 V] dc (other voltages are available on request).

The IRNEX-P Low Power sensor has been tested and certified according to the ATEX directive and IECEx.

IRNEX-P is now SIL2 approved

The main features are: Explosion proof Ex d IR sensor for surface (II 2G) and underground (I M2) classified areas, Analogue voltage standard output, Incorporated signal linearisation and temperature compensation suited for manufacturers without any specialist knowledge in IR technology, Standard sensor size 20 mm, Fast response, Solid, rugged construction, Wide operating temperature and humidity range (-40°C / + 60°C), Low power consumption (45mA), and New optics “Nautilus”.

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