... , Whiteness Meter, Turbidity Meter, Colorimeter, Gloss Meter, Tintometer, Automatic Polarimeter, Auto Melting Point Apparatus, Automatic Refractometer, Abbe Refractometer, PH/DDS/TDS Meter, etc ... , specific optical rotation of optically active substance.Automatic Measurement:WZZ-2A built-in auto-controlling system. Power on the polarimeter, the system will ...