... dust and water vaporSample/Reagent/Stirrer systemSample volume:2μL~30μL, step by 0.1μLSample tray: 12 positions ... secondary cups on one tray, provide two traysconvenient for alternate use.Reagent volume:20μL~300μL, step by 1μLReagent tray: ... 670nmAbsorbance range: 0~6Calibration/QCCalibration type: single point linear, two points linear, multi-points linear, Logit-4P, Logit-5P,Spline, Exponential 5P, ...