IEC 62642-2-72-2015 pdf download

IEC 62642-2-72-2015 pdf download.Alarm systems – Intrusion and hold-up systems – Part 2-72: Intrusion detectors – Glass break detectors (passive). This part of IEC 62642 defines passive surface mounted glass break detectors installed in buildings and provides for security grades 1 to 4 (see IEC 62642-1 ), specific or non-specific...