Hardwired Microprocessor Glass Break Sensor Description:

The Hardwired Microprocessor Glass Break Sensor uses microprocessor-based sound analysis technology (SAT) to listen for the specific frequencies associated with breaking glass. In addition, it can detect breakage of plate, tempered, laminated and wired glass types. A built-in environmental test feature alerts the installer to false alarm hazards in harsh environments. Furthermore, the rectangular enclosure mounts flush on ceilings or walls. Additionally, the automatic self-test supervision ensures the detector is functioning properly at all times. It’s also compatible with hardwired panels.

Signal Processing

Using microprocessor-based SAT it analyzes audio signals and must produce specific frequency, signature, and timing relationships to cause an alarm. The sophistication of this processing technique ensures proper catch performance while eliminating false alarms.

Test Features

Lastly, the magne‑operated test mode provides a location verification and operational test when using the optional Glassbreak Tester. The test mode also includes an environmental test that alerts the installer to possible false alarm sources caused by ambient noise. The automatic sound check feature allows the end user to verify that the detector is powered as well as functioning by clapping his hands. While an externally‑visible alarm LED indicates an alarm or test condition, it can also be programmed to latch if desired.

Technical specifications

Electrical

• Current: 21 mA nominal at 12 VDC
• Voltage: 9 VDC to 15 VDC

Environmental

• Operating Temperature: -29°C to +49°C (-20°F to +120°F) For UL Certificated installations, 0°C to +49°C (+32°F to +120°F)
• Radio Frequency Interference (RFI) Immunity: No alarm or setup on critical frequencies in the range from 26 MHz to 950 MHz at 50 V/m.

Dimensions

• Unmounted (HxWxD): 12 cm x 8.3 cm x 1.3 cm (4.8 in. x 3.25 in. x 0.5 in.)
• When Flush-mounted (HxWxD): 12 cm x 8.3 cm x 0.625 cm (4.8 in. x 3.25 in. x 0.25 in.)

Outputs

• Alarm: Normally-closed (NC) reed relay rated at 3.5 W, 125 mA at 28 VDC for resistive loads
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