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Scanning mobility particle sizer
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<p>A scanning mobility particle sizer (SMPS) is an <a href="/facts/Analytical_instrument/NX2ldw1E">analytical instrument</a> that measures the size and number concentration of <a href="/facts/Aerosol/X1jXFLp2">aerosol</a> particles with diameters from 2.5 nm to 1000 nm. They employ a continuous, fast-scanning technique to provide high-resolution measurements. </p>