... Photometer, Whiteness Meter, Turbidity Meter, Colorimeter, Gloss Meter, Tintometer, Automatic Polarimeter, Auto Melting Point Apparatus, Automatic Refractometer, Abbe Refractometer, PH/DDS/TDS Meter, etc.PHS ... -W series Microprocessor pH/mV MeterPHS-W series Microprocessor pH/mV meter include the PHS-25CW ...