BS EN 50131-2-4:2020

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Books

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BSI

Alarm systems. Intrusion and hold-up systems. Requirements for combined passive infrared and microwave detectors|Detectors, Performance testing, Classification systems, Safety devices, Grades (quality), Measuring instruments, Safety measures, Warning devices, Environmental testing, Microwaves, Crime prevention devices, Burglar alarms, Infrared radiation, Alarm systems, Anti-burglar measures, Security systems in buildings

260 GBP