... , Visible Spectrophotometer, Flame Photometer, Whiteness Meter, Turbidity Meter, Colorimeter, Gloss Meter, Tintometer, Automatic Polarimeter, Auto Melting ... Refractometer, Abbe Refractometer, PH/DDS/TDS Meter, etc.Application:A620/A650 Automatic Refractometer includes ... and processing technology. It can automatically measure the refractive index (nD) of transparent or translucent liquids mass ...