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VESDA works by continually drawing air into the pipe network via a high efficiency aspirator. A sample of this air is then passed through a dual stage filter. The first stage removes dust and dirt from the air sample before it allows the sample to enter the laser detection chamber for smoke detection. The second (ultra fine) stage provides an additional clean air supply to keep the detector’s optical surfaces free from contamination, ensuring stable calibration and long detector life.

From the filter, the air sample is passed through to the calibrated detection chamber where it is exposed to a laser light source. When smoke is present, light is scattered within the detection chamber and is instantly identified by the highly sensitive receiver system. The signal is then processed and presented via a bar graph display, alarm threshold indicators and/or graphic display. The VESDA detectors are able to communicate this information to a fire alarm control panel, a software management system or a building management system via relays or a High Level Interface (HLI).

There are a range of options in the VESDA® product range. Please download the full VESDA® brochure or individual datasheets for further details on available products.

Please visit our VESDA System Service section for more information about about how to maintain and service this product.

What is VESDA

VESDA is a laser based smoke detector, which means it is a very good smoke detector! VESDA smoke detectors have been operating in specialist fire detection applications for over 20 years. 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. 

VESD A Aspirating Smoke Detection

X tralis is a global leader and pioneer in life safety. We invented VESDA very early warning aspirating smoke detection (ASD), the world’s leading ASD brand. Customers worldwide relay on VESDA  when business continuity is imperative, environments are  challenging, and time is required to ensure safe and or early evacuation. VESDA ASD systems also can be equipped with modules to detect hazardous/combustible gases to extend their value beyond smoke detection to include gas detection and environmental monitoring.

vesda system in dubai


VESDA is an abbreviation for Very Early Smoke Detection. This is an air sampling system that employs laser technology for high sensitivity smoke detection. VESDA air sampling systems can detect any traces of fire at very early stages, something that traditional or conventional smoke detectors cannot achieve.

VESDA is not that new. The system has been in operation for a number of years now, but earlier VESDA systems were only used in specialist fire detection. Nowadays; however, the spectrum of its usage has widened to include non-specialist fire detection for a number or installations. In other words, the VESDA air sampling system is currently used in all settings that are at a high risk of catching fire.

vesda system in dubai
vesda system in dubai

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