... Vis Spectrophotometer, Visible Spectrophotometer, Flame Photometer, Whiteness Meter, Turbidity Meter, Colorimeter, Gloss Meter, Tintometer, Automatic Polarimeter, Auto Melting Point ... PH/DDS/TDS Meter, etc.PHS-W series Microprocessor pH/mV MeterPHS-W series Microprocessor pH/mV meter include the ... solution and press ENTER key, then the meter will be calibrated automatically.Auto-Buffer Recognition:In ...