... , Turbidity Meter, Colorimeter, Gloss Meter, Tintometer, Automatic Polarimeter, Auto Melting Point Apparatus, Automatic Refractometer, Abbe Refractometer, PH/DDS/TDS Meter, etc ... Test Tube1pcDimension850×470×380mmWeight37KgOptional AccessoriesMicro Test Tube (50mm) Automatic Polarimeter (Touch screen, -89~+89, Temperature Control)