NEN NPR CLC/TS 50131-2-11 : 2017
Current
Current
The latest, up-to-date edition.
ALARM SYSTEMS - INTRUSION AND HOLD-UP SYSTEMS - PART 2-11: INTRUSION DETECTORS - ALDDR
Published date
06-03-2017
Publisher
Defines four security grades 1 to 4, specific or non-specific wire or wire-free ALDDR, and uses environmental classes I to IV.
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