The Bio-Plex 200 System is manufactured by Bio-Rad. The Bio-Rad Bio-Plex 200 System is a suspension array system which offers protein and nucleic acid researchers a reliable multiplex assay solution that permits analysis of up to 100 biomolecules in a single sample. Used Bio-Rad Bio-Plex 200 System for sale. SSLLC offers a wide selection of used Analyzers for your Used Lab Equipment needs. The pre-owned products will be thoroughly cleaned and fully tested to perform at manufacturer specifications before shipping.