Product Information

VESDA Aspirating Smoke Detection System

VESDA Aspirating Smoke Detection System

The HSSD and VESDA are the internationally approved trade names for ASPIRATION SYSTEM.
Detailed Description

The HSSD and VESDA are the internationally approved trade names for ASPIRATION SYSTEM. Aspirating Smoke Detection system (ASD) designed to give a very early indication of an incipient fire condition. This pre-emptive warning – before the transition into the flaming and heat stages – provides the time necessary to take corrective action and avoid the danger, damage, and disruption to operations that a fire can cause.

Aspirating Detection

The detector is mounted either inside or outside the area. It draws air from the protected area using an aspirating fan which is housed in the detection unit. The pipe network contains sampling holes at predetermined locations along the pipe network through which the air is LASER DIODE LIGHT SOURCE drawn.

Detectors can protect areas up to 2000 square meters to BS5839, or between 500 to 750 square meters to BS6266, in high air flow conditions. The pipework is configured in various ways according to the application.

Typically it will comprise a pipe network with sampling points at intervals similar to point detection. It can also, for example, be arranged to monitor across air handling units or in ducts.

Sampling pipe hart xl sampling points

  • Laser based particle counting – the superior technology
  • Elegant, compact, lightweight design
  • No particle filters required
  • No recalibration during a lifetime of a detector
  • Complete flexibility – four basic sub units provide installation options
  • On-site sensitivity selection 0.0025%/m to 1%/m
  • LaserNet networking options
  • Modular design for fast and easy servicing
  • Configurable for integral or remote display options
  • Attachable power supply and battery backup unit
  • Individual pre-alarm and alarm levels.
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