... Time, Absorbance 2.Wavelengths from 300-800nm 3.PC Screen Semi-Auto Chemistry Analyzer Model: BC1900 Feature1. Analytical modes: Kinetic, End- ... 510,546,578,620nm, 1 more filter optional3.Test name and parameters can be pre-programmed4. Voice prompting, making the ... , figure button, mouse operation7. Real time curve display, Automatic and manual operation mode7. Large storage ability, up to1.000.000 ...