
Alarm Systems - Intrusion And Hold Up Systems - Part 2-7-1: Intrusion Detectors - Glass Break Detectors (acoustics)
出版:Nederlands Normalisatie Instituut

專家解讀視頻
Specifies passive acoustic glass break detectors installed in buildings and provides for security grades 1 to 4, specific or non-specific wired or wire-free detectors and uses environmental classes I to IV.
CLC/TS 50131-2-7-1:2009 - Identical