DHI-HY-SA21A-W2(868) Wireless smoke detector

The Dahua Wireless Smoke Detector provides battery-powered smoke detection and alarm functions within a single unit. Advanced electronics combined with a photoelectric smoke detection chamber provides early detection of smoke and high immunity to unwanted alarms. This type of smoke detector does not require mains power and is suitable for general residential applications. Timely notification of the smoke detector can be displayed in real time on the DMSS app.

Specificaties:

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 (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 8m (3.28 ft), 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 (+14°F to +131°F)
Operating Humidity - ≤ 95% RH (non-condensing)

Appearance
Color - White
Casing - ABS
Dimensions - φ98mm × H43.1mm (φ3.85" × H1.70")
Weight - 140 g (0.30 lb)
Installation - Ceiling Mount

Fire detection (1)

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DahuaDHI-HY-SA21A-W2(868) Wireless Smoke Detector

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