Scanning Mobility Particle Sizer

Measures particle size and concentration in aerosols and atmospheric particulate samples. Polydisperse air borne particles can be measured by a Scanning Mobility Particle sizer (or Electrical Particle Sizer – EPS). The EPS consists of an aerosol charger, Differential Mobility Analyser (DMA) and Condensation Particle Counter (CPC) or Aerosol Electrometer. Particles are passed through a bipolar charger to neutralise them and them classified by the DMA. Particles having the same mobility are then measured by the CPC.

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