has function contain function signal amplification function measure function measurement device container photomultiplier tube http://cyto.mednet.ucla.edu/Protocols/flow.htm R9647 by manufactured by Hamamatsu A photomultiplier is a device that is normally in the form of a tube, that uses a photocathode to convert photons into photoelectrons which are then amplified. PMTs are typically used to detect SSC and fluorescent parameters. Cytometers have a PMT for each color they can collect. John Quinn photomultiplier tube metadata incomplete