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    Smoke and CO combination detector - 3*1.5V AA Battery Supply

      (7 Reviews) | Write a review
    SKU: SR-x821THS
    Discontinued
    Starting at: $24.95
    • 30 Days Return
    • 5 Years Warranty
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    Deliver between Thu,Nov,21 and Wed,Nov,27. order with 2days,9hrs and 31 min.

    This product SR-x821THS is an intelligent combined carbon and smoke detector, which adopts micro-processing control and electrochemical sensor, featuring high stability, low power consumption and small sensitivity drift. It is mainly used in places where carbon monoxide gas leakage and fire may occur, ensuring personal life safety.

     Main features
    * The carbon smoke detector adopts high reliability electrochemical sensor and infrared photoelectric sensor
    * LCD liquid crystal display density
    * 3*1.5V AA battery powered
    * Low current consumption, long standby life
    * Battery low battery prompt
    * Alarm memory function for the carbon and smoke detector
    * Alarm pause (silent mode)
    * Sound and light alarm / LED indicating alarm
    * SMT industrial manufacturing, strong stability

    Technical specification
    Model No.    SR-x821THS(carbon smoke detector)
    Operating voltage:    3*1.5V AA battery (3 AA 1.5V)
    Quiescent current:    <80uA
    Alarm current:    <30mA
    Alarm output:    sound and light tips
    Sensor:    Electrochemical Carbon Monoxide Sensor and Infrared Photoelectric Sensor
    Working temperature:    0-50 °C
    Working humidity:    relative humidity 10%-95%
    Carbon monoxide gas detection concentration:    000~999 PPM
    Smoke sensitivity:    0.1% db/m-9.9% db/m
     Battery display:    low battery alarm
    Dimensions:    104*39mm


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    Smoke and CO combination detector - 3*1.5V AA Battery Supply

    Part Number: SR-x821THS