Ethylene Oxide Detector
  • Stable long-life electrochemical sensor
  • Range 0...20 or 0...100 ppm C2H4O
  • Resolution 0,1 ppm or 1 ppm C2H4O
  • Two SPST relays option
  • 2 × 4-20 mA or 0-10 V, RS485

Ethylene oxide detector-transmitter E2648-EtO is a member of new PluraSens® family of multifunctional measurement instruments.

Applications include chemical and polymer industry, medicine (hospital sterilization facilities) and other areas where leakage or generation of ethylene oxide is possible.

The instrument 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 ethylene oxide C2H4O
Sensor type electrochemical
Sampling method diffusion
Detection range 0...20 ppm C2H4O
0...100ppm C2H4O
Resolution 0,1 ppm C2H4O for 20 ppm range
1 ppm C2H4O for 100 ppm range
Sensor lifetime 2 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
Enclosure die-cast aluminium, wall mount, IP66
Dimensions H120 × W125 × D57 mm
Operating conditions -20...+50 °C, 15...90 %RH