This addressable smoke detector can be installed on any side of the duct. The detector RE-428DU-S contains an intelligent controlling circuit. The circuit adjusts the sensitivity to give an optimal function throughout the entire life of the detector. Advanced Venturi tube technology with single tube detector. This duct detector housed with the flow optimization and two feet sampling pipe.


  • High efficient single sampling tube.
  • Easy to install.
  • One-pipe air sampling system.
  • Patented venturi pipe and duct housing
  • Test hole on cover.
  • Simple installation
  • Simple service and maintenance.
    • Electrical Specifications
    Operating Voltage 17 ~ 28V DC
    Operating Temperature -10 – 37.8° C
    Storage Temperature -10 – 60° C
    Humidity 0 - 95% RH, non-condensing
    Reset Voltage Less than 3V
    Standby Current 500 µA
    Alarm Current 5 mA
    Startup Time 30 sec C (138 o F).
    Remote Ouput 2mA maximum open collector
    Smoke Sensitivity (2.12 ± 0.61) % obs/ ft. (High: 1.1; Medium: 1.4; Low: 2.3)% obs/ft
    Air Velocity 0 – 4000 fpm
    Dimensions (241 L X 195 W X 68 D) mm
    Weight 1.20 kg

    SINGLE TUBE ADDRESSABLE DUCT DETECTOR

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  • UL listed and NFPA standard.
  • Polarity free, Dual LED’s, and 360°visibility.
  • Insect Filter.
  • Fixed temperaure and rate of rise detection.
  • Advanced detection and communication protocol.
  • Sleek low-profile housing design.
  • Fixed temperaure and rate of rise detection.
  • Regular 100mmbase.
  • Advanced detection and communication protocol.
  • Address set by 8 digit DIP switch.
    • Electrical Specifications
    Operating Voltage 17 ~ 28V DC
    Reset Voltage Less than 3V.
    Standby Current 500 µA.
    Start up Time 30 sec.
    Alarm Current 5 mA .
    Remote Output 2mA maximum open collector
    Smoke Sensitivity (2.12 ± 0.61) % obs/ ft (High: 1.1% obs/ft; Medium: 1.4% obs/ft; Low: 2.3% obs/ ft).
    Air Velocity 0 – 4000 fpm.
    Detector Spacing 9 meters
    Operating Temperature -10o C to 37.8o C.
    Storage Temperature -10 o C to 60 o C.
    Humidity 0 – 95% RH, non-condensing

    ADDRESSABLE MULTI SENSOR DETECTOR

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