Aspirating Smoke Detector

Smoke, Gas & Flame Detectors - Principle of Operation

The fourth instalment of the Principles of Fire Safety series looks at smoke, gas and flame detectors. Again, research and development has continued to improve well established detection technologies and provided an array of new technologies to improve fire detection while also being less susceptible to the causes of false alarms.

VESDA Smoke Detector Maintenance

A VESDA is a brand of aspirating smoke detector designed and manufactured by Xtralis. From a maintenance perspective, an aspirating smoke detector (also known as an ASD) needs to be maintained differently than the common point type smoke detector.

While this article specifically considers the VESDA, there are other brands of aspirating smoke detector available that these general principes apply.