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Smart refrigerant detector (R410a) EVIKON E2639 with a range of 0...2500 ppm. Durable IP65 protection rating, 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 | HFC Refrigerants - R410a |
| Weight | 0.50 kg |
Evikon E2639-HFC(R410a) is a detector designed for monitoring high concentrations of R410a refrigerant 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 via 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-HFC detector is intended for monitoring R410a refrigerant leaks in environments such as plant rooms, air-conditioning and refrigeration equipment, refrigerant stores, or other installations where refrigerant concentrations must be monitored. The device is used for early leak detection, helping to minimise the risks associated with refrigerant leakage and protect both the environment and the equipment.
R410a is a synthetic refrigerant widely used in air-conditioning and refrigeration systems. It is a colourless blend of two hydrofluorocarbon gases that provides efficient heat transfer. Although it is non-flammable, leakage of R410a can contribute to greenhouse gas emissions and affect air quality. Monitoring R410a leaks is essential for ensuring equipment safety and compliance with environmental standards.
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 original manufacturer's calibration certificate in English, confirming the accuracy and correctness of measurement at the time of leaving the factory.
We respond to your product queries as quickly as possible, usually within 24 hours.
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