Access Immunoassay Systems, Part Number: 81600 ; Access 2 Immunoassay Systems, Part Number: 81600N; || Synchron LXi 725; UniCel DxI 800 Access Immunoassay Systems, Part Number: 973100; UniCel DxI 600 Access Immunoassay Systems, Part Number A30260; || UniCel DxC 600i, Part Number: A25656; UniCel DxC 660i, Part Number: A64871; UniCel DxC 860i, Part Number: A64935; UniCel DxC 880i, Part Number: A59102; SYNCHRON Access Clinical || Systems || The Access/DxI Immunoassay System is an in vitro diagnostic device used for the quantitative, semi-quantitive or qualitative determination of various analyte concentration found in human body fluids. Function of the Peristaltic Pump: to aspirate unbound material from reaction vessels and to move waste from vacuum jar into waste bottle through associated tubing within the Access Immunoassay System.