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Nitrogen dioxide (NO2) detector SDN

183,42234,54 + IVA

Nitrogen dioxide (NO2) detector SDN, by COFEM for MiniCO and ZafirCO detection plants.

SKU DEL PRODUCTO: SDN Categorías , Etiqueta

*Los productos no incluyen gastos de transporte y los precios son exclusivos online.


Nitrogen Dioxide Detector SDN by COFEM

Nitrogen dioxide (NO2) sensor from the manufacturer COFEM, compatible with COsensor, MiniCO and ZafirCO plants and designed according to UNE EN-50545-1 and UNE 23300.

Based on electrochemical technology that measures the concentration of nitrogen dioxide (NO2) gas in the environment, emitting the measurement to the control unit and activating the ventilation or wire if the programmed threshold is exceeded.

The NO2 sensor comes with a red led that indicates the following:

  • Flashing every 10 seconds at rest.
  • Connected to conventional power plants, the measurement of NO2 is transformed to a reading equivalent to that of CO, measured in ppm. They correspond to 100 ppm of CO in a linear fashion for every 2.5 ppm of NO2.
  • Conventional power stations: Double blinking when 50 ppm is exceeded, and fixed LED when 200 ppm is exceeded
  • Directional control units: Double blinking when the concentration is equal or higher than the programmed ventilation level , and fixed LED when the programmed alarm threshold is exceeded.

The optimal distribution of the equipment according to the current regulations would be one detector per 200 – 300 m2, at a height of 1.5 m and 2 m from the ground.

The sensors come with a factory calibration to operate throughout their operating life.


Features of COFEM’s SDN nitrogen dioxide detector

  • Compatible with conventional CCO and MiniCO stations, and ZafirCO addressable stations
  • The base of the detector allows installations with 16 mm tube.
  • Contains programming number for identification in addressable exchanges.
  • Complies with EN 50545-1 with factory calibrated sensors
  • UNE 23300certified system

Technical specifications of COFEM’s SDN nitrogen dioxide detector

24 – 34V with polarity
Consumption in surveillance
2 mA
Consumption in alarm 4 mA
Activation indication
Dimensions Ø 115 mm / 60 mm
Moisture 20-95 % HR
Temperature -10ºC +50ºC
Regulations UNE 23300 / EN 50545-1
IP 30
Lifetime Up to 4 years

Información adicional




NO2 – Nitrogen Dioxide



Tipo de detectores

For control panels

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