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GLASS BREAK BUS DETECTOR

Sensor signals an alarm on registering a low-frequency tone (impact sound), followed by a high-frequency tone (sound of broken glass). The sensor starts to analyze a high-frequency channel after receiving the low-frequency sound wave, caused by the impact. Detection by the microphone the impact sound wave is indicated by LED blink. If during this time the high-frequency tone (sound of broken glass) is detected, the detector will trigger an alarm.

  • FEATURES:
    • Breakage in panes of glass 40.6 x 61 cm (16 x 24 in.)or larger are detected

    • Effective coverage of plate, tempered, and laminated glass without the need for complicated sensitivity adjustments

    • Two operational modes: EVO bus or conventional relay operation

    • Anti-tamper switch

    • Full audio and infrasonic spectrum analysis

    • 7 frequency digital filters, digital amplifier gain, and frequency fluctuation asses

    • Impact and shock wave analysis

    • High-immunity to RFI and EMI signals

Model: DG457


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SPECIFICATIONS SPECIFICATIONS DESCRIPTION DESCRIPTION

Detection Range

  • Adjustable between 1.2 to 9m (4 to 29.5ft) depending on environment and sensitivity settings

Input Voltage

  • 9 to 16 Vdc

Current Consumption

  • 35 mA

Alarm Output Available

  • Form A (N.C.) or via bus

Sensitivity Adjustment

  • Covers up to 9m (30ft) when set to high, and up to4.5m (15 ft) when set to low

Operating Temperature

  • -20 to 50 °C (-4 to 122 °F)

Dimensions

  • 6.6 x 9 x 2.2 cm (2.6 x 3.6 x 0.9 in.
USER'S GUIDE

DG457 USER'S GUIDE