To count smaller particles, Condensation Particle Counters (CPC) are used, and can count all particles down to 2nm (depending on specific model). In these counters, particles are detected and counted by laser scattering in a very similar way to a standard optical particle counter, but in a CPC particles are first grown by condensation to a size of 10-12um thus allowing easy detection.
These instruments consists of a TSI 3010 and a TSI 3025 CPCs
|keywords:||Manchester, UFAM, UMIST|
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|Manchester Condensation Particle Counter Website|