Berner impactor
Ther Berner impactor is a 8-stage cascade impactor widely used in recent aerosol studies in Europe and in the USA. The flow rate is 1.9 m3h-1 at 20°C with an exhaust pressure of 150 hPa. The impactor consists of eight stages with cut-off diameters of 8/4/2/1/0.5/0.25/0.125/0.0625 µm and a prestage excluding particles > 16 µm.
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