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    Description

    HY-SA21A-W2
    Wireless Smoke Alarm
    -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 (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 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
    f98 mm × H43.1 mm (f3.85" × H1.70")
    Weight
    140 g (0.30 lb)
    Installation
    Ceiling Mount
    Certifications
    Certifications
    TÜV and CE listed
    Compliance Standard
    EN 14604:2005+AC:2008
    Wireless
    Carrier Frequency
    433.1 MHz-434.6 MHz
    Communication Distance
    Up to 1000 m (3280.84 ft) in an open space
    Communication Mechanism
    Two-way
    Frequency Hopping
    Yes
    Encryption Mode
    AES128


    Manufacturer Part No:

    DHI-HY-SA21A-W2
    Brand:

    Dahua

    Product Type:

    Wire-Free Smart Cloud Alarm System -
    UPC

    -
    Product Family:

    AirShield
    Shipping Weight:

    2 kg
    PB Part No:

    CCTDHA13010
    Product Model:

    -



    Warranty:
    24 months *
    * Warranty period is as stated above unless the manufacturer has chosen to specify a longer period.
    All warranties are return to base unless otherwise specified.

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