E2648-NO2

Nitrogen Dioxide Detector
E2648-NO2
Features
  • Stable long-life electrochemical sensor
  • Range 0...20 or 0...200 ppm NO2
  • Resolution 0,1 ppm or 1 ppm NO2
  • Two SPST relays option
  • 2 × 4-20 mA or 0-10 V, RS485
Description

Nitrogen dioxide detector-transmitter E2648-NO2 is a member of new PluraSens® family of multifunctional measurement instruments.

Applications include underground parkings, boiler houses, kitchens, and other areas, where potentially toxic concentration of nitrogen dioxide can accumulate.

The instrument utilises a fully calibrated and temperature compensated electrochemical gas sensor with excellent repeatability, stability and long lifetime.

Two relays with closing contact (optional) may be used for remote signalling or concentration control. Two alarm set-points are user settable.

Two analog outputs and RS485 digital interface with industry standard Modbus RTU protocol can be used to connect the detector to safety or building automation systems.


Technical Data
Calibration nitrogen dioxide NO2
Sensor type electrochemical
Sampling method diffusion
Detection range 0...20 ppm NO2
0...200 ppm NO2
Resolution 0,1 ppm NO2 for 20 ppm range
1 ppm NO2 for 200 ppm range
Sensor lifetime > 2 years
Power supply 12...36 VDC (default),
24 VAC or 230 VAC as options
Digital interface RS485, Modbus RTU protocol
Analog outputs 2 × 4-20 mA / 0-10 V, user settable
Output relays (option) 2 × SPST relays (closing contact),
250 VAC / 30 VDC, 5 A max
Default alarm set-points 3 ppm / 6 ppm NO2
Enclosure die-cast aluminium, wall mount, IP66
Dimensions H120 × W125 × D57 mm
Operating conditions -20...+50 °C, 15...90 %RH


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