Description
Crow GBD-PLUS
is a compact, dual-function sensor that detects both vibration (shock) and glass break sounds. This device is designed for indoor protection, providing reliable security without the risk of false alarms.
Key benefits
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Dual-function detection: Detects both vibration and glass break sounds, providing broader protection.
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False alarm reduction: Unique signal analysis ignores environmental noise, reducing the number of false alarms.
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Adjustable sensitivity: Allows sensitivity adjustment according to the environment and needs.
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Flexible installation: Can be wall or ceiling mounted, protecting multiple windows with a single device.
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Compact design: Small and discreet, suitable for various interiors.
Technical Specifications
| Feature | Description |
|---|---|
| Detection method | Electret microphone analyzing two consecutive signals of different frequencies |
| Detection range | Up to 10 m, adjustable |
| LED indicators | Green: shock detection Yellow: glass break detection Red: alarm |
| Warm-up period | 60 ± 5 seconds |
| Alarm duration | 2 ± 0.5 seconds |
| Alarm output | Normally closed (N.C), 50 mA / 24 VDC, with 10 Ω series resistor |
| Tamper switch | N.C, opens when cover is removed |
| Operating voltage | 9 to 16 VDC |
| Current consumption | Standby: 22 mA; Active: 25 mA |
| RFI protection | 30 V/m, frequency range 10 – 1000 MHz |
| EMI protection | 50,000 V electrical interference protection (e.g. lightning or power surges) |
| Operating temperature | -20°C to +50°C |
| Dimensions | 78 × 51 × 21 mm |
| Weight | 40 g |
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