... Turbidity Meter, Colorimeter, Gloss Meter, Tintometer, Automatic Polarimeter, Auto Melting Point Apparatus, Automatic Refractometer, Abbe Refractometer, PH/DDS ... Automatic Measurement:WZZ-2A built-in auto-controlling system. Power on the polarimeter,the system will search for zero point ... polarimeter will display the angle of rotation. Auto-judge substance form levorotatory or dextrorotatory:The polarimeter ...