Ravel RE-428 Series Reflective Beam Smoke Detector
A reflective beam smoke detector with the infrared transmitter and receiver in one housing, for large indoor spaces. It is ordered as the RE-428FR or the longer range RE-428HR.
Dealer for RavelRavel Addressable Duct Smoke Detector
An addressable smoke detector that samples air from inside a ventilation duct through a single aluminium sampling tube.
- Single tube air sampling with a venturi pipe and duct housing
- Aluminium sampling tube
- Test hole on the cover
- 2 ft (0.6 m) sampling tube option, RE-428DU-S2
- 9 to 33 V DC, -10°C to 50°C
Specifications
Specifications
| Specification | Details |
|---|---|
| Operating Voltage | 9 ~ 33V DC |
| Operating Temperature | -10°C to 50°C |
| Humidity | 0 to 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 to 4000 fpm |
| Air Sampling Tube | Aluminium. ( Hole Diameter 1.5” (38 mm) |
Specifications as published by Ravel. Please confirm the exact model with us before ordering.
More Ravel Beam & Duct Detectors
Ravel EazyBeam Auto Aligning Reflective Beam Smoke Detector
A standalone reflective beam smoke detector that aligns itself and keeps its alignment as the building moves. It can be installed and commissioned by one person.
Ravel RE-401BD Reflective Optical Beam Smoke Detector
A reflective optical beam smoke detector for large open areas and high ceilings, offered in 50 m and 100 m versions.
Ravel Conventional Duct Smoke Detector
A conventional smoke detector that samples air from inside a ventilation duct through a single aluminium sampling tube.
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