E2658-HFC

Flameproof Refrigerant Detector
E2658-HFC
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

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

E2658 series devices are based on PluraSens® multifunctional platform.

Refrigerant transmitter E2658-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, R1234yf 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, R1234yf 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
Default alarm set-points 100 ppm / 500 ppm halocarbon gas
Enclosure die-cast aluminium, wall mount, IP66
Dimensions H80 × W125 × D57 mm
Operating conditions -30...+70 °C, < 95 %RH
safe areas and ATEX Zones 2 and 22


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