
Alarm systems - Intrusion and hold-up systems Part 2-5: Intrusion detectors - Combined passive infrared / Ultrasonic detectors
出版:International Electrotechnical Committee

專(zhuān)家解讀視頻
IEC 62642-2-5:2010 is for combined passive infrared and ultrasonic 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).