DLPI+ (Dekati® Low Pressure Impactor) is a 14-stage cascade impactor to measure airborne particle mass size distribution. The DLPI+ classifies particles into 14 size fractions in the range of 16nm-10μm. In each size fraction the particles are collected on 25 mm collection substrates that are weighed before and after the measurement to obtain gravimetric size distribution of the particles. A chemical analysis of the size classified particles can also be performed. The DLPI+ impactor can be used in various particle measurement applications and can also be heated up to 180 °C for high temperature applications.
¹ Järvinen, A., Aitomaa, M., Rostedt, A., Keskinen, J. & Yli-Ojanperä, J. 2014. Calibration of the new electrical low pressure impactor (ELPI+). 2014. J. Aerosol Sci. 69, pp. 150-159.
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