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Smart EVIKON E2639 sulphur hexafluoride (SF6) detector with a range of 0...1000 ppm. Durable IP65-rated 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 | 14...36 VDC |
| Type of gas | SF6 sulphur hexafluoride |
| Weight | 0.50 kg |
Evikon E2639-SF6 is a detector designed for monitoring high concentrations of sulphur hexafluoride in the 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 an 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-SF6 detector is intended for monitoring sulphur hexafluoride in environments such as high-voltage switchgear, power stations, substations, laboratories, and other technical workplaces where SF6 is used as an insulating or arc-quenching medium in electrical equipment.
Sulphur hexafluoride is colourless and odourless, which makes it particularly dangerous because its presence cannot be detected without a detector. It is released through leaks from electrical equipment such as high-voltage switchgear, circuit breakers, or transformers, where it is used as an insulating and arc-quenching medium. Even low concentrations of sulphur hexafluoride can cause health problems such as breathing difficulties, dizziness, or respiratory irritation, while higher levels may lead to asphyxiation due to oxygen displacement, as SF6 is approximately five times heavier than air and accumulates near the floor.
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 simplify and speed up bus wiring for reading into 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 manufacturer’s original 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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