Commercial Name: PR4100 Microplate Reader. Technical name: Instrument for immunoassays. ANVISA registration number: 80020690326. Class of risk: II. Model Affected: 00 000 000 094196. Serial numbers affected: 1702001988; 1702001989; 1702001995; 1701004076; 1701004078; 1701004079; 1701004087; 1611001407; 1701004096; 1601004139; 1601004146.