Six-Stage Viable Andersen Cascade Impactor
Quality Safety Health and Environment
Assistant Buniness Unit Manager : Mrs. Suthathean Hand
Tel : 081-8755935
E-mail : suthathean@pico.co.th
Admin
Tel : 02-939-5711 ext. 350
E-mail : qshe@pico.co.th
Measure concentration and paricle size distribution of aerobic bacteria and fungi in ambient air with the Thermo Scientific™ Six-Stage Viable Andersen Cascade Impactor. This multi-orifice sampler is widely used as a standard for enumerating the viable particles in a microbial aerosol.
Description
Viable particles can be collected on a variety of bacteriological agar and incubated in situ for counting and identification. The sampler is calibrated so that all particles collected, regardless of physical size, shape, or density are sized aerodynamically and can be directly related to human lung deposition.
Key Features:
- Constructed with six aluminum stages that are held together by three spring clamps and sealed with O-ring gaskets. Each impactor stage contains multiple precision-drilled orifices
- Collection plates are prepared by aseptically pipetting 27mL of sterile bacteriological agar into each of six glass Petri dishes supplied with instrument
- Air to be sampled enters the inlet cone and cascades through the succeeding orifice stage with successively higher orifice velocities from Stage 1 to Stage 6
- Successively smaller particles are inertially impacted onto the agar collection surfaces
- A continuous-duty vacuum pump provides constant air sampler flow of 1 cfm
