SR831 – Magnetic Door

Wireless magnetic contact detector to protect against unauthorized opening of doors and windows. A notification is sent to the alarm panel when an alarm is triggered or the device is tampered. This detector also allows external wired sensors (such as vibration sensor, glass break sensor, gas sensors) to be wirelessly connected to the H-Net alarm system.


SKU: SR831



– Detects when a door or window is opened
– Tamper proof protection
– External NO/NC connection for wired sensors
– Low battery LED indicator
– Protocol: H-Net

– Function: Door/window contact detector
– Operating Frequency: 868 MHz
– H-Net wireless protocol
– RF Type: Transmitter
– Contact gap: min. 10mm (close)
– Battery: 1.5V AAA x 3
– Operation Range: 150 meters (open space)