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Dahua Alarm Wireless Sensor For Smoke HY-SA21A-W2(868)
Product code: 17724020 // MPN: HY-SA21A-W2(868)
New entry
€74,88 (inc. VAT)
Available from 1 to 3 days
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Available from 4 to 10 days- Split-spectrum sensor technology
- Test and silence features in one single button
- Loud sound output over 85 dB(A) at 3 meters
- Low quiescent current consumption
- Surface-mount device (SMD) circuit board design
- Low battery warning signal
Working Principle
- Collection Type : Smoke
- Sampling Period : 10 s
- Sensor Type : Photoelectric
Alarm
- Alarm Type : Smoke alarm, fault alarm, low battery warning
- Alarm Volume : 85dB–90dB(A) at 3 m
- Alarm Mode : Visual and audible alarm
- Silence Function : Yes
- Silence Duration : About 12 min
- Alarm Response Threshold : 0.2 dB/m - 0.3 dB/m
Basic Parameters
- Indicator Light : Red and green LED indicator
- Led Instructions : Standby: Green indicator flashes once per minute / Alarm: Red indicator flashes once per second / Fault: Red indicator flashes once per minute
- Low battery warning: Red indicator flashes once per minute : Coverage Area
- When the height of the space is less than 8 m , the protection area of a device is 20 m2–40 m2
Power Supply
- Battery Life : 3 year
- Operating Voltage : 3V CR123A lithium battery (replaceable)
- Operating Current : Monitoring current: ≤ 35uA / Alarm current: ≤ 35mA
Operating Ambient
- Operating Environment : Indoor
- Operating Temperature : -10°C to +55°C
- Operating Humidity : ≤ 95% RH (non condensing)
Appearance
- Color : White
- Casing : ABS
- Dimensions : φ98mm × H43.1mm
- Weight : 140 g
- Installation : Ceiling Mount
Certifications
- Certifications : TÜV and CE listed
- Compliance Standard : EN 14604:2005+AC:2008
Wireless
- Carrier Frequency : 868 MHz–868.3 MHz
- Communication Distance : Up to 1000 m in an open space
- Communication Mechanism : Two-way
- Frequency Hopping : Yes
- Encryption Mode : AES128
| Battery: | Up to 3 Years |
| Certification: | CE |
| Communication: | 2Way |
| Connectivity: | Wireless |
| Installation: | Ceiling |
| Range: | Up to 1000 meters |
| Smoke Detector: |
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