3.2. Structure
The ASD 535 aspirating smoke detector consists of one or two independent sampling pipes that each have one or more
sampling apertures and a sampling chamber. Show as Fig 2. The air of the space being monitored is sucked in for precise
analysis by the scattered-light smoke detector located in the sampling chamber.
The sensitivity range of ASD is from 0.002% to 10% obs/m, and the working environment temperature is from -30 to
+60 degrees Celsius. The system uses a unique patented technology, "Fluff Filter”, a dust suppression technique which can
effectively avoid false alarms caused by the dust disturbance.[3]