E2638 Ethylene Oxide ETO Transmitter
The E2638-EtO ethylene oxide detector-transmitter features a long-life electrochemical sensor with a detection range of 0-20 or 0-100 ppm. Ideal for the chemical and polymer industries as well as hospital sterilization facilities, it offers options for dual SPST relays and analog outputs, ensuring reliable monitoring of ethylene oxide concentrations.
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Description
Features
- 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
Description
Ethylene oxide detector-transmitter E2638-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 | |
| Repeatability | < 2 % of signal |
| 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 | grey ABS plastic, wall mount, IP65 |
| Dimensions | H90 × W145 × D55 mm |
| Operating conditions | -20…+50 °C, 15…90 %RH |
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