... Spectrophotometer, Visible Spectrophotometer, Flame Photometer, Whiteness Meter, Turbidity Meter, Colorimeter, Gloss Meter, Tintometer, Automatic Polarimeter, Auto Melting ... , Automatic Refractometer, Abbe Refractometer, PH/DDS/TDS Meter, etc.Characteristics:² Chemical & Building materials industry: ... & Weight405X325X330mm & 6.5kg Digital Whiteness Meter(Measurement System:R457 Blue Light Whiteness)