Dahua Alarm Wireless Standalone Smoke Detector HY-SA20A
- Split-spectrum sensor technology
- Test and hush 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 : 9 s
- Sensor Type : Photoelectric
Alarm
- Alarm Type : Smoke alarm, fault alarm, low battery warning
- Alarm Volume : 85dB (A) at 3 m (9.84 ft)
- Alarm Mode : Visual and audible alarm
- Silencing Function : Yes
- Alarm Response Threshold : 0.2dB/m-0.3dB/m
Basic Parameters
- Indicator Light : Alarm, fault and operation 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 : 10 year
- Power Source : 3V CR123A lithium battery (replaceable)
- Operating Current : Monitoring current: ≤ 15uA / Alarm current: ≤ 35mA
Operating Ambient
- Operating Environment : Indoor
- Operating Temperature : -10°C to +55°C (+14°F to +131°F)
- Operating Humidity : ≤ 95% RH (non condensing)
Appearance
- Color : White
- Casing : ABS
- Dimensions : φ98 mm × H43.1 mm
- Weight : 136 g
- Installation : Ceiling Mount
Certification
- TÜV and CE listed
- Compliance Standard
- EN 14604:2005+AC:2008