... -Spectrophotometer, UV Vis Spectrophotometer, Visible Spectrophotometer, Flame Photometer, Whiteness Meter, Turbidity Meter, Colorimeter, Gloss Meter, Tintometer, Automatic Polarimeter, Auto Melting Point Apparatus, Automatic ... SystemR457 Blue Light WhitenessAccuracy0.01Zero Draft≤±0.1Stability0.2/10minRepeatabilityC Power Supply220V+/-10%Measuring Condition0/dd/0 Digital Whiteness ...