This standard is for combined passive infrared and microwave detectors installed in buildings and provides for security Grades 1 to 4 (see EN 50131-1), specific or non-specific wired or wire-free detectors, and uses environmental classes I to IV (see EN 50130-5). This standard does not include requirements for detectors intended for use outdoors.

Standard:

DIN EN 50131-2-4 VDE 0830-2-2-4:2021-08

Alarm systems – Intrusion and hold-up systems

Part 2-4: Requirements for combined passive infrared and microwave detectors;

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