Name: Dahua AirShield Smoke Detector (DHI-HY-SA21A-W2(868))
Brand: securitytech
Availability: InStock

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

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

Availability: 16 in stock

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)

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

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