... Spectrophotometer, Visible Spectrophotometer, Flame Photometer, Whiteness Meter, Turbidity Meter, Colorimeter, Gloss Meter, Tintometer, Automatic Polarimeter, Auto Melting ... Refractometer, PH/DDS/TDS Meter, etc.Application:This instrument based on the principle of photoelectric effect & D65 light ... *170mm & 3kg Electrical Lab Equipment (Portable Whiteness Meter (WSB-1) ;Measurement Range:0-199;LCD ...