... , UV Vis Spectrophotometer, Visible Spectrophotometer, Flame Photometer, Whiteness Meter, Turbidity Meter, Colorimeter, Gloss Meter, Tintometer, Automatic Polarimeter, Auto Melting Point Apparatus, Automatic ... .2/10minRepeatability0.2Power Supply220V+/-10%OutputRS232 Interface--- --- ---Size & Weight405X325X330mm & 6.5kg Digital Whiteness Meter(Measurement System:R457 Blue Light Whiteness)