... Turbidity Meter, Colorimeter, Gloss Meter, Tintometer, Automatic Polarimeter, Auto Melting Point Apparatus, Automatic Refractometer, Abbe Refractometer, PH/DDS/ ... optically active substance.Automatic Measurement:WZZ-2A built-in auto-controlling system. Power on the polarimeter, the system ... the measured value, you can press [ + ] or [ - ] key and the polarimeter will test again.The polarimeter not only ...