Instrument: Coulter Counter
An apparatus for counting and sizing particles suspended in electrolytes. It is used for cells, bacteria, prokaryotic cells and virus particles. A typical Coulter counter has one or more microchannels that separate two chambers containing electrolyte solutions.
Beckman Coulter Multisizer 3 coulter counter with a 20 um aperture (part 8320515, range 0.4 - 12 um)