16 - 18 October 2018 // Nuremberg, Germany

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Exhibitors & Products Chillventa 2016
Zoom product LOGO_N.E.T. SRL - Advanced NDIR sensors for gas detection

N.E.T. SRL - Advanced NDIR sensors for gas detection

LOGO_N.E.T. SRL - Advanced NDIR sensors for gas detection

N.E.T. SRL - Advanced NDIR sensors for gas detection

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N.E.T. srl can offer a wide range of The IR sensors based on Non Dispersive Infrared (NDIR) technique, designed for reliable detection of the following gases:

  • CO2 from ppm levels up to 100% volume
  • Hydrocarbons in explosive range (%LEL)
  • SF6 in ppm range
  • Refrigerant gases in ppm range

NDIR principle 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 a 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.

All NET IR sensors are 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 main features are:

  • 20 or 32 mm industrial standard size
  • Extended temperature range
  • Fast t90 response time
  • Internal microprocessor for concentration calculation
  • ModBus or P2P communication
  • Solid, rugged construction with stainless steel enclosure
  • Voltage output and optional bridge or pellistor output
  • Low power consumption version for portable applications
  • Patented optical path
  • Water filter
  • Standard industrial accepted negative or positive pinout
  • Individual calibration and testing


EN 50271 & SIL2 (TUV) approved

IEC 60079-29-1 performance

ATEX & IECEx Certified (CESI)

More details about NET sensors on www.nenvitech.com

For specific questions and offers, you can contact us directly at  salesnet@nenvitech.com


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