Reaction system: -reaction cuvette: 90 pcs made of special material -reaction volume;200-500ul -reaction time: 8-10 minutes -reaction temp: 37centigrade -mixing sytem: independent mixing probe Optial system -light source: halogen-tungsten lamp -wavelength: 300-700nm, 9 wavelengths -absorbance range: 0-4 abs -resolution: 0.001 abs -spectrophotometry: rear spectrophotometry Qc -various qc managements, insert qc randomly, save & display & print qc chart, define different qc in advance Calibration -calibration: linear/ nonlinear multi-points calibration -retest: retest the sample automatically when the result is out of the linearity range or the sample is not sufficient Cleaning system -eight-step automatic washing, automatic cuvette dry function -water consumption: 4l/hour Operating system -window xp or 2000 Net weight: 109kg Gross weight: 169kg