E2670-HFC

Flameproof Refrigerant Detector
E2670-HFC
Flameproof Refrigerant Detector
Features
  • Suitable for ATEX Zones 2 and 22
  • Stable long-life metal-oxide sensor
  • Ranges 0...1000 / 0...2500 ppm halocarbon gas
  • Resolution 1 ppm halocarbon gas
  • Two SPST relays option
  • 2 × 4-20 mA or 0-10 V, RS485
Description

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

E2670 series devices are based on PluraSens® multifunctional platform.

Refrigerant transmitter E2670-HFC tilises a fully calibrated metal-oxide semiconductor gas sensor with excellent repeatability, stability and long lifetime. The sensor is highly sensitive to a wide range of CFC, HFC and HFO compounds, including R-12, R-123, R-125, R-134a, R-143, R-22, R-404a, R-407c, R-410a, R-507, R-514a, R-1234yf, R-1234ze and similar.

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
Detected gases R-12, R-123, R-125, R-134a, R-143, R-22, R-404a, R-407c, R-410a, R-507, R-514a, R-1234yf, R-1234ze etc
Default calibration R-404a
Sensor type metal-oxide semiconductor
Sampling method diffusion
Detection ranges 0...1000 ppm halocarbon gas
0...2500 ppm halocarbon gas
Resolution 1 ppm halocarbon gas
Sensor lifetime > 5 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
Alarm setpoints minimum 250 ppm
Enclosure die-cast aluminium, wall mount, IP65
Dimensions H155 × W145 × D110 mm
Operating conditions -30...+60 °C, < 95 %RH
safe areas and ATEX Zones 2 and 22


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