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The High Sensitivity Aspirating Smoke Detector (4 Pipe) actively draws air samples from up to 4 separate pipe networks through a network of sampling holes. Using advanced laser-based particle detection, it can detect smoke at concentrations 1000 times lower than traditional spot detectors - providing minutes to hours of early warning before a fire develops.
Commonly called "VESDA" after the industry leader, this aspirating system is the gold standard for: Data centers, clean rooms, telecom exchanges, power plants, archives, and museums.
| Parameter | Specification |
|---|---|
| Power Supply | 18-30 VDC (24 VDC nominal) |
| Current Draw | 400 mA typical (600 mA with heater) |
| Particle Detection Size | 0.005 - 20 microns |
| Air Sampling Flow Rate | 20-100 liters per minute (adjustable) |
| Operating Temperature | 0°C to 39°C (heated version to -40°C) |
| Humidity Range | 10% to 95% RH non-condensing |
| Dimensions | 350 x 250 x 120 mm |
| IP Rating | IP50 (standard), IP65 optional |
| Certifications | UL 268, EN 54-20, FM, VdS, CE |
This means the aspirating detector can detect smoke when a fire is still smaller than a match head, while traditional detectors would not alarm until flames are visible.
For optimal safety, commercial extinguishers should be inspected monthly and professionally serviced annually as per strict fire safety standards.
Most dry chemical extinguishers last between 10-12 years if maintained correctly, but the propellant and cylinder integrity must be checked regularly.