E2670-NH3-E

Flameproof Ammonia Detector
E2670-NH3-E
Flameproof Ammonia Detector
Features
  • Suitable for ATEX Zones 2 and 22
  • Stable long-life electrochemical sensor
  • Range 0...100 / 0...300 / 0...1000 / 0...5 000 ppm NH3
  • Resolution 1 ppm NH3
  • Two SPST relays option
  • 2 × 4-20 mA or 0-10 V, RS485
Description

E2670 series is a new line of flameproof detectors and transmitters intended for use in ATEX Zones 2 and 22.

E2670 series devices are based on PluraSens® multifunctional platform.

Ammonia detector-transmitter E2670-NH3-E 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 ammonia NH3
Sensor type electrochemical
Sampling method diffusion
Detection range 0...100 ppm NH3
0...300 ppm NH3
0...1000 ppm NH3
0...5 000 ppm NH3
up to 10000 ppm on request
Resolution 1 ppm NH3
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 25 ppm / 35 ppm NH3
Enclosure die-cast aluminium, wall mount, IP65
Dimensions H155 × W145 × D110 mm
Operating conditions -40...+50 °C, -30...+50°C (for 0...5 000 ppm),
15...90 %RH,
safe areas and ATEX Zones 2 and 22


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