... Vis Spectrophotometer, Visible Spectrophotometer, Flame Photometer, Whiteness Meter, Turbidity Meter, Colorimeter, Gloss Meter, Tintometer, Automatic Polarimeter, Auto Melting Point ... solution and press ENTER key, then the meter will be calibrated automatically.Auto-Buffer Recognition:In ... 9.18) or USA (pH4.01/7.00/10.01)Temp. Compensation0~100oC, Manual0~100oC,AutomaticPower RequirementsDC9V ...