
Alarm systems. Intrusion systems. Requirements for passive infrared detectors
出版:British Standards Institution

專家解讀視頻
Describes the security grades 1 to 4, specific or nonspecific wired or wire-free detectors and uses environmental classes I to III.
? British Standards Institution 2013
CLC/TS 50131-2-2 : 2004 - Identical
CLC/TS 50131-2-2 : 2004 - Identical
CLC/TS 50131-2-2:2004 - Identical