APM 550M

Designed for convenient monitoring of both PM 10 and PM 2.5 simultaneously 

APM 460BL
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Simultaneous sampling of PM10 and PM2.5 Particulates. Two part cabinet  ensures that PM2.5 filter remains close to ambient air temperature at all times. Low sampling rate of 1m3/hr reduced filter choking even in areas of high PM concentration Critical Orifice maintains constant flow rate. Oil free pump requires very little maintenance. Induction motor driven pump is immune to voltage fluctuation.