automatic polarimeter is the basic scientific instrument used to measure angle ... Meter, Turbidity Meter, Colorimeter, Gloss Meter, Tintometer, Automatic Polarimeter, Auto Melting Point Apparatus, Automatic Refractometer, Abbe Refractometer, PH/DDS/TDS Meter, etc ... (Standard),220mm, 500mm(Optional)Dimension720×440×320mmWeight33 Kg Polarimeter (WZZ-1S)