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Emergency exit control systems
DORMA AM 115:
Forced removal detector for M10 - M16 screw fasteners:
- easy integration in intruder alarm systems
- anti-tamper monitoring contact
- closed-circuit design
The DORMA break-through detectors DBM/DGM/DSM for VdS-approved monitoring of vulnerable surfaces of doors, buildings and containers, for effective penetration detection (climb-through, reach-through and reach-through with tools).
DORMA break-through detectors consist of a backing layer (fleece or plastic netting) with meandering sewn- on doublestranded wires.
Attempts to break or reach through have the effect of changing the electrical resistance of the break through detector, so causing the electronic monitoring system to trigger the alarm.