Beckman Coulter Chemistry Analyzer AU680/AU5800, Catalog No. MU907400 (Rack ID Labels) || The Beckman Coulter AU680 and the AU5800 Clinical Chemistry Analyzers are an automated chemistry analyzer that measures analytes in samples, in combination with appropriate reagents, calibrators, quality control (QC) material and other accessories. This system is for in vitro diagnostic use only. Applications include colorimetric, turbidimetric, latex agglutination, homogeneous enzyme immunoassay, and ion selective electrode.