E2670-CO2

Flameproof Carbon Dioxide Detector

Features
  • Suitable for ATEX Zones 2 and 22
  • Stable long-life photoacoustic or optical NDIR sensor
  • Range 0...10 000 ppm / 40 000 ppm / 5 %vol CO2
  • Resolution 1 ppm / 10 ppm / 0.01 %vol CO2
  • Two SPST relays (option)
  • 2 × 4-20 mA or 0-10 V, RS485
Description

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

E2670 series devices are based on PluraSens® multifunctional platform.

Carbon dioxide transmitter E2670-CO2 utilises a fully calibrated and temperature compensated photoacoustic gas sensor with excellent repeatability, stability and long lifetime. Ambient pressure compensation (in the range 0,5...2 bar of absolute pressure) is available as an option.

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 dioxide CO2
Sensor type photoacoustic
optical NDIR
Sampling method diffusion
Detection range 0...10 000 ppm (10K) CO2
0...40 000 ppm (40K) CO2
0...5 %vol (50KN) CO2
up to 100 %vol CO2 on request
Resolution 1 ppm for 10K
10 ppm for 40K
0.01%vol for 50KN
Sensor lifetime up to 10 years for 10K/40K
up to 5 years for 50KN
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),
Enclosure die-cast aluminium, wall mount, IP65
Dimensions H155 × W145 × D110 mm
Operating conditions -40...+60 °C, 0...100 %RH
safe areas and ATEX Zones 2 and 22

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