This document describes how to measure the mass concentration of particles dispersed in the outside air using the Digitel DHA-80 filter changer. The device enables quasi-continuous measurement of immission concentrations.*www.vdi.de/2463
VDI 2463 Blatt 11-1996 Referenced Document
VDI 2066 Blatt 1-1975 Messen von Partikeln; Staubmessungen in stroemenden Gasen; Gravimetrische Bestimmung der Staubbeladung; Uebersicht
VDI 2449 Blatt 1-1995 Measurement methods test criteria - Determination of performance characteristics for the measurement of gaseous pollutants (immission)
VDI 2463 Blatt 8-1982 Particulate matter measurement; measurement of mass concentration in ambient air; standard method for the comparsion of nonfractionating methods
VDI 3491 Blatt 8-1989 Particulate matter measurement; generation of test aerosols from powders using a belt feed unit