VESDA is recognized as the market leader in early warning smoke detection systems and delivers a high standard of smoke detection technology to a diverse range of well recognized global corporations.
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, ahs the unique feature of providing an additional clean air supply to keep the optical surfaces within the detector clear from contamination and to ensure the stable calibration and long life of the detector.
From the filter, the air sample is passed through to the calibrated detection chamber where it is exposed to a stable controlled 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/pro 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)
VESDA air sampling smoke detector product line:

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VESDA LaserCOMPACT
The LaserCOMPACT offers a simple, cost effective solution for the protection of single and smaller environments such as, small archives, production machinery, ceiling voids, prison cells, wet benches, data storage cabinets and critical process tools.The LaserCOMPACT protects areas up to 800 m 2 (8000 sq. ft). It has 3 configurable alarm levels. It is directly targeted at small mission critical areas, processes and equipment.
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VESDA LaserFOCUS
The LaserFOCUS incorporates first-in-industry Ultrasonic Airflow Sensing to provide flow measurement that is immune to temperature and pressure changes. Its out-of-the-box design makes installation and commissioning quick and easy and the pre-engineered pipe network designs supplied with the product make system design simple. The LaserFOCUS 250 protects areas up to 250 m 2 (2500 sq. ft.) The 500 model covers up to 500 m 2 (5000sq. ft.). It has 4 configurable alarm levels and the latest ultrasonic airflow sensing.
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VESDA LaserPLUS
The detector can form part of a modular system with the display, programmer and VESDAnet modules installed in a remote location or as a "self-contained" system by replacing the detector's panels with display and/or programmer modules. This is the core product of the range. Protecting areas up to 2000 m 2 (20000 sq. ft), the LaserPLUS has 4 configurable alarm levels. It also has modular capabilities, it being possible to separate the user interface from the detector unit.
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VESDA LaserSCANNER
The LaserSCANNER locates the origin of smoke by identifying the first sector (pipe) with the highest level of smoke and then continues to sample from all sectors to monitor fire growth. The LaserScanner also protects areas up to 2000 m 2 (20000 sq. ft), but offers individual pipe addressability across up to 4 sampling pipes. This means that the detector can determine where the smoke is in a room.
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VESDA Ex d
The VESDA Ex d provides very early warning smoke detection within hazardous area locations that may contain flammable gases. |
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