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When glass breaks and/or shatters, shock waves are sent in a multitude of direction. The GRI Glass Break Sensor is designed to detect those shock waves. The sensor is sensitive to shock waves from the glass it is attached to while ignoring the rumbling of vehicle traffic, noisy airplanes or nearby train crossings. The GB-550 covers both small and large window, both narrow and wide. This device will detect shock waves of shattering glass on a radius measuring approximately 10' from the GB-550. Power for the device comes from the alarm panel zone power. The glass break sensor will momentarily close when it detects glass breaking. The petite size and elegance of the device makes it simple to install with double faced 3M UV resistant tape.
