In Part 2 of this article, the smoke detection performance of the particle-charging method is demonstrated. All three commonly used materials, including ABS, tinned copper and PVC, are subjected to the pyrolysis test presenting highly reliable detection performance for various…
Principle and application of aspirating smoke detectors (ASDs) with an innovative method for very early fire alarms – Part 1
From the earliest laser to particle-counting methods, air-sampling aspirating smoke detectors (ASDs) for very early fire warning has made an essential contribution to property protection. Part One of the article introduces the particle-charging method’s principles and evaluates the charging performance…