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VDI 3491 Blatt 15 Particulate matter measurement - Generation of test aerosols - Dilution systems with continuous volumetric flow

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German title
Messen von Partikeln - Herstellungsverfahren für Prüfaerosole - Verdünnungssysteme mit kontinuierlichem Durchfluß
Publication date
Engl. VDI/DIN-Kommission Reinhaltung der Luft (KRdL) - Normenausschuss
Technical Division Environmental Measurement Technologies
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Number of pages
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German, English

The guideline considers dilution systems in which the dilution is carried out by mixing the aerosol with a particle-free gas (generally air) in steady-state flow process (continuous volumetric flow). The purpose of dilution systems is to reduce the concentration of an aerosol to a level suitable for the measurement range of a method of measurement, dilution usually being carried out by mixing the aerosol with a particle-free gas.

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