cobas e 411 Immunoassay Analyzer-Model/Catalog/Part number: 04775279001/04775279973 - cobas e 411 analyzer (disk system) and 04775201001/04775201973 - cobas e 411 analyzer (rack system), medial device listing number: E116019 cobas e 411 || Elecsys analyzer is a fully automated, random access, computer controlled analytical systems for quantitative and qualitative determinations of analytes in body fluids.