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Crow GBD II Glass Break Detector

25.64

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Crow GBD II Glass Break Detector
Crow GBD II Glass Break Detector
  • Manufacturer

    CROW
  • Product Code

    GBD-II

  • Warranty

    24 miesiące

  • Sensor type: Wibracyjna

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Price (Incl. VAT):

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Product Description

The GBD II sensor operates based on the product of two criteria occurring at the time of breaking glass: a high-frequency criterion from broken glass and a low-frequency criterion from a strong impact on the glass surface. The GBD II will only trigger an alarm if both of these criteria are met. Thus, it will not respond to acoustic signals that may only resemble the sound of breaking glass, such as a bell, the clink of keys, music, etc.

In order to accurately adapt the sensor to the conditions of a particular room, two potentiometers are used to allow separate adjustment of sensitivity for both detected frequencies. These allow the sensor to be adjusted for both a large, acoustic room (e.g., a noisy office) and a quiet room.

Main features:
  • State-of-the-art condenser microphone
  • Special procedures for double analysis of received signals
  • 2 potentiometers for precise sensitivity adjustment
  • Wide angle and long detection distance (10 m)
  • Full quality control

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