IEC 62642-2-71:2015 defines passive acoustic glass break detectors installed in buildings and provides for security grades 1 to 4 (see IEC 62642-1), specific or non-specific wired or wire-free detectors, and uses environmental classes I to IV (see IEC 62599-1).
PUBLISHED
IEC 62642-2-71:2015 ED1
60.60
Standard published
Oct 7, 2015