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VDI 3867 Blatt 4 - Draft

Ambient air - Determination of the particle number concentration and particle size distribution of aerosols - Optical aerosol spectrometer (OAS)

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German title

Außenluft - Bestimmung der Partikelanzahlkonzentration und Anzahlgrößenverteilung von Aerosolen - Optisches Aerosolspektrometer (OAS)

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Engl. VDI/DIN-Kommission Reinhaltung der Luft (KRdL) - Normenausschuss
Technical Division Environmental Measurement Technologies
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This standard describes the use of optical aerosol spectrometers to determine the particle number size distribution and the number concentration in ambient air and in test aerosols. The detectable particle size range extends from about 0,07 µm to about 25 µm. Number concentrations of less than 1 cm<(hoch)-3> up to a maximum of about 100000 cm<(hoch)-3> can be measured. The temporal resolution is in the range of less than one second to several minutes. This standard defines a set of instrument parameters as well as the procedures for their determination, but does not specify minimum requirements.

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