E2658-CO

Flameproof Carbon Monoxide Detector
E2658-CO
Features
  • Suitable for ATEX Zones 2 and 22
  • Stable long-life electrochemical sensor
  • Range 0...300 or 0...1000 ppm CO
  • Resolution 1 ppm CO
  • Two SPST relays option
  • 2 × 4-20 mA or 0-10 V, RS485
Description

E2658 series is a new line of flameproof detectors-transmitters intended for use in ATEX Zones 2 and 22. 

E2658 series devices are based on PluraSens® multifunctional platform.

Carbon monoxide transmitter E2658-CO 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 carbon monoxide CO
Sensor type electrochemical
Sampling method diffusion
Detection range 0...300 ppm CO
0...1000 ppm CO
Resolution 1 ppm CO
Repeatability < ± 5%
Sensor lifetime > 10 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 CO
Enclosure grey die-cast aluminium, wall mount, IP66
Dimensions H80 × W125 × D57 mm
Operating conditions -20...+50 °C, 15...95 %RH
safe areas and ATEX Zones 2 and 22


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