Duct Detector RE-428DU-S

Electrical Specification

Operating Voltage : 9 ~ 33V DC
Operating Temperature : -10°C to 50°C
Humidity : 0 – 95% RH, non-condensing
Reset Voltage : less than 1V
Start-Up Current : 120 μA
Alarm Current : 40 mA.(Max)
Remote Output : 15mA maximum open collector
Smoke Sensitivity : (1.96 ± 0.76) % / ft
Air Velocity : 0 – 4000 fpm
Dimensions : (241 L X 195 W X 68 D) mm
Weight : 1.04 kg
Air Sampling Tube : Aluminium. ( Hole Diameter 1.5” (38 mm)

Ordering Information

Model Description
RE-428DU-S Addressable Duct Smoke Detector
RE-428DU-S2 Sampling tube length: 2 ft (0.6 m)r

Features

  • High efficient single sampling tube
  • Easy to install
  • One-pipe air sampling system
  • Patented venturi pipe and duct housing
  • Test hole on cover
  • Simple service and maintenance

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