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).
PROJEKAT
prSRPS IEC 62642-2-71:2015 ED1:2026
10.99
Novi projekat se prihvata