Break glass detector

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A sensitive detector used to detect the sound or motion of breaking glass. Break glass detectors are usually placed on windows, skylights, and display cases. The shock sensitive type of detector is activated when the glass experiences a vibration. The audio-discriminatory type of detector is activated by the sound of broken glass.

Synonyms and Related Terms

Glasbruchsensor (Deut.); détecteur de vitre brisée (Fr.);

Sources Checked for Data in Record

  • Caring for your Collections, Arthur W Schulz (ed.), Harry N. Abrams, Inc. , New York, 1992 Comment: Security chapter