| 摘要 |
An air sampling apparatus (1, fig 1) for monitoring airborne particle concentration comprises a main body (2, fig 1) having a chamber 24, an air inlet 32 in fluid communication with the chamber, and an air drawing means, such as a pump 26, disposed within the chamber, in fluid communication with the air inlet for drawing air through the air inlet and through a filter head 62 for collection of airborne particles. The apparatus also comprises an air outlet 34 in fluid communication with the chamber, which is sealed from the surrounding environment such that air drawn through the air inlet is restricted to flow out of the chamber through the air outlet. In use, a telescopic mast 10 may be extended, and the filter head mounted on the mast. Airborne particles, such as asbestos fibres are separated from the drawn air by the filter head. An ear portion (8, fig 2) may be provided adjacent the main body, which is used to store a flexible fluid conduit (49, fig 5). The main body may have a generally smooth exterior to aid decontamination, and may include a battery compartment (42, fig 4) for housing a battery (40, fig 4). |
