Dahua AirShield Smoke Detector (DHI-HY-SA21A-W2(868))

£0.00

Part Number:  DA-HY-SA21A-W2-868
Brand:  Dahua

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

Category:

Description

Specifications:
Model Number DA-HY-SA21A-W2-868
Working Principle 
Collection Type Smoke
Sampling Period 10s
Sensor Type Photoelectric
Alarm
Alarm Type Smoke alarm, fault alarm, low battery warning
Alarm Volume 85dB–90dB(A) at 3 m (9.84 ft)
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 (3.28 ft), the protection area of a device is 20 m2–40 m2
Power Supply
Battery Life 3 years
Operating Voltage 3V CR123A lithium battery (replaceable)
Operating Current Monitoring current: ≤ 35uA
Alarm current: ≤ 35mA
Appearance
Colour White
Casing ABS
Dimensions φ98mm × H43.1mm (φ3.85″ × H1.70″)
Weight 140 g (0.30lb)
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 (3280.84 ft) in an open space
Communication Mechanism Two-way
Frequency Hopping Yes
Encryption Mode AES128
Operating Ambient
Operating Environment Indoor
Operating Temperature -10°C to +55°C (+14°F to +131°F)
Operating Humidity ≤ 95% RH (non condensing)

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