A small-size glass-break sensor that detects window breaking. It is designed for buildinginterior installations. It uses the analysis of air pressure variations combined with the characteristic sound of glass-breaking.
It uses digital signal processing to avoid false alarms. It is addressable and occupies oneposition in the alarm.
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Installation
There should be no sources of vibration or audible sounds in the protected area.
There should also be no obstacles blocking the detector’s “listening” to the protected area.
Keep the detector away from metal objects which could interfere with radio communication.
Jablotron JA-185B wireless glass-break detector
Detection characteristics of the sensor
The directional response of the glass-break sensor has a nearspherical characteristic and it is possible to detect breaking glass up to 9metres away as can be seen in the below diagram.
The size of glass should be at least 60 by 60 cm. For smaller sizes the detection range can be shorter.
Only breaking glass forming part of the walls within the protected area can be detected. All kinds of glass can be protected including windows covered with unbreakable folio.
Warning: This type of detector is not suited to sensing holes being cut through glass by glass cutters. For this reason, valuables near windowsshould be covered by PIR sensors.
Jablotron JA-185B wireless glass-break detector
