Automatic chemistry analyzer. Features: 1) 24 hour non-stop water cycle cooling system to ensure reagent at 2-8℃; 2) dual-unattached durable ceramic syringes to ensure accuracy & precision; 3) collision protection in both vertical and horizontal directions, stop & alarm automatically; 4) once touching barrier, does not affect former tests; 5) automatic eligible cuvettes detection & selection; 6) selects best test point by reaction curve, creates new factor automatically; 7) high accurate optical system; 8) supports LIS interface. Specification parameters: 1.Assay methods: End Point, Kinetic, Fix time etc. 2.Principle: photoelectric colorimetry 3.Light Source: halogen lamp 12V/20W 4.Photometry range: 0~3Abs 5.Resolution: 0.0001Abs 6.Wavelength: 10 wavelengths optional (340nm~800nm) 7.Throughput: 400 tests/hour 8.Reagent tray: 59 reagent positions, 1 detergent position 9.Sample tray: 75 sample positions, including detergent, standard , QC, STAT positions 10.Reaction tray: 120 reaction positions 11.Sample volume: 2~100ul, with 0.1ul increment 12.Reagent volume: R1:10~500ul, R2: 10~500ul, with 0.5ul increment 13.Minimum reaction volume: 150uL 14.Maximum reaction time: 10 minutes