E2638 Oxygen O2 Transmitter
The E2638-O₂ is a versatile oxygen detector-transmitter with electrochemical or optical sensing technology. Ideal for monitoring oxygen levels in various applications, it features user-settable alarms, RS485 connectivity, and a robust IP65 enclosure for reliable performance.
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Description
Features
- Electrochemical or optical sensor
- Range 0…25 %vol O2
- Resolution 0,01 %vol O2
- Two SPST relays option
- 2 × 4-20 mA or 0-10 V, RS485
Description
Oxygen detector-transmitter E2638-O2 is a member of PluraSens® family of multifunctional measurement instruments.
The instrument may be used to prevent critical decrease of O2 concentration as well as to control the absence of the oxygen in gas mixtures.
The instrument utilises a fully calibrated and temperature compensated 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 | oxygen O2 |
| Sensor type | electrochemical |
| optical | |
| Sampling method | diffusion |
| Detection range | 0…25 %vol O2 |
| Resolution | 0,01 %vol O2 |
| 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), |
| Default alarm set-points | 19,5 / 18,0 %vol O2 |
| Enclosure | grey ABS plastic, wall mount, IP65 |
| Dimensions | H90 × W145 × D55 mm |
| Operating conditions | -30…+50 °C, 15…95 %RH |
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