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VESDA is the most advanced aspirating smoke detection equipment in the fire industry. VESDA smoke detectors hold more certifications than any other aspirating smoke detectors in the world.
A VESDA detector is much like a vacuum cleaner. It sucks air from the protected environment via purpose built aspirating pipe and fittings and samples the quality of air passing through the VESDA detection laser chamber. It is widely used in the data center and electricity panels.
Vesda System that we supply is used to detect smoke for early warning applications. It draws air into the tube network and its sample is passed through a dual stage filter. The first stage eliminates dust and dirt from the air sample before allowing the sample to enter the laser detection chamber for smoke detection. The second stage in our Vesda System provides an additional clean air supply to keep the detectors optical surfaces free from contamination, ensuring stable calibration and long detector life. When detected, the information is communicated to the fire alarm control panel or management.
An aspirating smoke detector consists of a central detection unit which draws air through a network of pipes to detect smoke. The sampling chamber is based on a nephelometer that detects the presence of smoke particles suspended in air by detecting the light scattered by them in the chamber.