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Smart oxygen (O2) detector EVIKON E2639 with a measuring range of 0...25 %vol O2. Robust IP65 enclosure, 3 relays, RS485 Modbus communication and built-in LED/audible alarm. More information
Out of stock - can be requested
| Detector type | Stationary |
| Equipment | Siren 85dB, LED |
| IP Rating | IP 65 |
| Output signal | ModBus RS485, 3x SPDT relay, 2x Analogue output 4-20mA |
| Power Supply | 230 VAC |
| Type of gas | O2-Oxygen |
| Weight | 0.50 kg |
E2639-O2-5Y is a detector designed for monitoring high oxygen concentrations in ambient air. The device is equipped with a temperature-compensated sensor that ensures reliable detection and stable measurement, and it is housed in a wall-mounted enclosure with IP65 protection. The E2639 features three SPDT relays with a maximum load of 250 VAC 5 A. Two relays are used for so-called two-stage detection. The third relay indicates a sensor fault. Communication with higher-level systems is provided by the RS485 Modbus RTU digital interface, complemented by two 4–20 mA analogue outputs. In addition, the device includes four LEDs and an audible alarm, which immediately alert operators to an exceeded set limit directly at the installation site – without the need to monitor a remote control system.
The E2639-O2 detector is intended for monitoring oxygen in environments such as industrial facilities, welding shops, filling stations, chemical laboratories, marine spaces, tunnels, and other enclosed or poorly ventilated areas where a dangerous drop or, conversely, an excessive increase in O₂ concentration may occur.
Oxygen is a colourless and odourless gas, yet it is vital to life and makes up approximately 21% of the Earth's atmosphere by volume. It is essential for the respiration of humans and animals and plays a key role in many chemical and combustion processes. High oxygen concentrations can increase the risk of fire, while a lack of oxygen can be life-threatening. For this reason, monitoring oxygen concentration in enclosed or industrial spaces is essential for ensuring safety.
The E2639 detector combines the advantages of an autonomous safety device and an intelligent communication node. It is designed for seamless integration with fire alarm systems (EPS) and offers a wide range of outputs for comprehensive control:
The E2639 is equipped with three M20 cable glands and a dual terminal block for Modbus RTU. The duplicated Modbus RTU terminals help simplify and speed up bus wiring for data readout to a higher-level system. No more inserting two conductors into a single terminal. Thanks to the M20 cable glands, all required outputs can be connected conveniently.
Factory settings:
Each detector package includes the original manufacturer's calibration certificate in English, confirming the accuracy and correctness of measurement at the time of factory release.
We respond to your product queries as quickly as possible, usually within 24 hours.
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