Ravel Conventional Duct Smoke Detector RE-428DU-C with Sampling Tube
Ravel Conventional Duct Smoke Detector RE-428DU-C with Sampling Tube
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Ravel RE-428DU-C Conventional Duct Smoke Detector with Sampling tube length: 2 ft (0.6 m)
The Ravel RE-428DU-C Duct Smoke Detector is engineered for early detection of smoke within HVAC ductwork, helping prevent the spread of smoke throughout buildings. Utilizing advanced photoelectric sensing, this detector rapidly identifies dangerous smoke conditions by continually sampling the duct air, providing an essential layer of protection for commercial, industrial, and institutional properties.
Features & Benefits
- High-Efficiency Sampling: Equipped with a single, high-efficient sampling tube designed for streamlined, accurate air intake and sensing.
- Photoelectric Detection: Advanced sensing technology enhances reliability and minimizes nuisance alarms in duct environments.
- Patented Venturi Pipe & Housing: The patented Venturi principle enables optimal airflow through the detector, increasing sensitivity to smoke particles while reducing maintenance needs.
- Simple Installation & Service: One-pipe sampling system, easy mounting on any duct side, and a test hole on the cover ensure fast setup and simplified periodic maintenance.
- LED Alarm Indicator: Clear visual alarm indication for rapid status checks.
- Intelligent Self-Adjustment: Built-in circuit continuously adapts sensitivity to maintain performance throughout its lifespan.
- Rugged Construction: Robust housing designed to cope with dust, temperature changes, and challenging HVAC environments.
Technical Specifications
|
Specification |
Details |
|
Model |
RE-428DU-C |
|
Type |
Conventional Photoelectric Duct Smoke Detector |
|
Operating Voltage |
9–33V DC |
|
Standby Current |
50 μA |
|
Alarm Current |
40 mA (max) |
|
Reset Voltage |
<1V |
|
Remote Output |
15mA max open collector |
|
Operating Temperature |
-10°C to 37.8°C |
|
Storage Temperature |
-10°C to 60°C |
|
Humidity |
0–95% RH, non-condensing |
|
Smoke Sensitivity |
(1.96 ± 0.76)%/ft |
|
Air Velocity Supported |
0–4000 fpm |
|
Dimensions |
241(L)x195(W)x68(D) mm |
|
Weight |
1.04 kg |
|
Sampling Tube |
Aluminium, 2 ft (38 mm diameter approx.) |
|
Certifications |
ISI, CE, Complies with Indian Standards |
|
Warranty |
1-year manufacturer warranty |
Applications & Use Cases
- HVAC ducts in office buildings, hotels, and shopping malls
- Factories and manufacturing plants
- Hospitals and clean room air handling systems
- Warehouses, schools, and public buildings
Why Choose Ravel RE-428DU-C?
With its combination of advanced sensing, robust build, and user-friendly maintenance features, the Ravel RE-428DU-C offers reliable smoke detection for critical air handling systems. Its optimal performance helps mitigate the risk of smoke circulation in large buildings, ensuring early intervention and greater occupant safety.
For installation support or bulk orders, contact Onfiex.com and discover our complete range of Ravel fire detection devices.
