... Vis Spectrophotometer, Visible Spectrophotometer, Flame Photometer, Whiteness Meter, Turbidity Meter, Colorimeter, Gloss Meter, Tintometer, Automatic Polarimeter, Auto Melting Point ... intostandard solution and press ENTER key, then the meter will be calibrated automatically.Auto-Buffer Recognition:In ... ModelPHS-25CWPHS-3CWPHS-3BWpH Range0.00~14.00pH0.00~14.00pH0.00~14.00pHpH Accuracy ±0.05pH ±0.01pH ...