Install on hinged side of door Only hermetically sealed, watertight and airtight switches should be used Should not be used on poorly fitting doors and...
Used on doors, windows and cabinet doors Plunger held in when door or window is closed These sensors depend on direct physical operation or disturbance of the sensor to generate an alarm Spring-loaded or plunger devices trigger when a door or window is...
Contacts can be used to monitor Hatches &...
Contacts can be used to monitor drawers &...
Contacts can be used to monitor...