E2611-HFC

Refrigerants Detector
E2611-HFC
Features
  • Stable long-life metal-oxide sensor
  • Ranges 0...1000 / 0...2500 ppm halocarbon gas
  • Resolution 1 ppm halocarbon gas
  • Two SPST relays
  • 2 × 4-20 mA or 0-10 V, RS485
Description

Refrigerants detector-transmitter E2611-HFC is a member of new PluraSens® family of multifunctional measurement instruments.

Applications include cold storage warehouses, skating arenas, and other areas, where leakages of halocarbon refrigerants are possible.

The instrument utilises 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 may be used for remote signalling or ventilation control. Two alarm set-points are user settable. Internal buzzer gives sound alarms.

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
Sensing method 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 2 × SPST relays (closing contact),
250 VAC / 30 VDC, 5 A max
Alarms buzzer 85 dB
Alarm setpoints minimum 250 ppm
Enclosure light-grey ABS plastic with ventilation slots, IP20
Dimensions H85 × W85 × D37 mm
Operating conditions -30...+60 °C, 0...95 %RH


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