Nanoparticle Sizers

GRIMM offers scanning mobility particle sizers with condensation particle counters (SMPS+C) and with Faraday cup electrometers (SMPS+E) as detectors. In addition, the GRIMM PSMPS is a mobility particle size spectrometer that combines a Grimm SMPS+C system with the Airmodus Particle Size Magnifier (PSM). All nanoparticle sizer systems feature the "Vienna-type" DMA design1, which is known for its highest size resolution and lowest particle diffusion losses. Thanks to the flexible design of the DMAs with three electrodes of different lengths (S-M-L), a wide range of experimental requirements can be met.


1) Winklmayr et al. (1991), J. Aerosol Sci., 22, 289
Reischl, G.P., Maekelae
, J.M. and Necid, J. (1997). Aerosol Sci. Technol., 27, 651-672

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