Very Early Smoke Detecting Aparatus ( VESDA ) is a brand of Multi Aspirating Smoke Detector (MASD). VESDA is the leading manufacturer of MASD systems.
The VESDA system operates by sampling air via a network of pipes located on the roof of a protected area. This is done by a vacuum system located in the main VESDA unit. This passes air samples via a laser beam which detects smoke particles
This system is used in very sensitive areas where early warning protection is required. These includes situations such as Data Centres, Substations, Military assets such as aircrafter hangers.
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