... Spectrophotometer, Visible Spectrophotometer, Flame Photometer, Whiteness Meter, Turbidity Meter, Colorimeter, Gloss Meter, Tintometer, Automatic Polarimeter, Auto Melting ... Abbe Refractometer, PH/DDS/TDS Meter, etc.Application:This instrument based on the principle of photoelectric effect ... --- ---Size & Weight405X325X330mm & 6.5kg Digital Whiteness Meter (0-100%,LED display, touch panel, test paper, ...