Very Early Smoke Detection Apparatus (VESDA) is a system used in active fire protection; it works by continuously drawing air into a distributed pipe network via a high efficiency aspirator. The air sample then passes through a dual stage filter. In first stage dust and dirt get removes from the air sample before it enters the laser detection chamber. In second stage, ultra-fine stage provides an additional clean air supply to keep the detectors optical surfaces free from contamination,ensuring stable calibration and long detector life as well as minimizing false. Air sample goes through the calibrated detection chamber where it is exposed to a laser light source. If smoke is present, light is scattered within the detection chamber and is instantly identified by the highly sensitive receiver. These receivers send information to the control panel & gives alarm. This system gives alarm before actual fire occurs by analyzing smoke particles in air.
AARUSH FIRE SYSTEMS
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