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;
German version EN 50131-2-4:2020
Class/Status:
Standard,
valid
Released: 2021-08
VDE Art. No.: 0800726