Intrusion Alarm: Zones, Sensors, and Arming
Door contacts, glass-break, PIR and dual-tech, zones versus partitions, arming modes, EOL supervision and EN 50131 grades — how an intrusion system is built to respond.
Door contacts, glass-break, PIR and dual-tech, zones versus partitions, arming modes, EOL supervision and EN 50131 grades — how an intrusion system is built to respond.