1.Digital Whiteness Meter 2.Delivery time:about 7-10days after ... Vis Spectrophotometer, Visible Spectrophotometer, Flame Photometer, Whiteness Meter, Turbidity Meter, Colorimeter, Gloss Meter, Tintometer, Automatic Polarimeter, Auto Melting Point Apparatus, ... +/-10%OutputRS232 Interface--- --- ---Size & Weight405X325X330mm & 6.5kg Digital Whiteness Meter(Measurement System:R457 Blue Light Whiteness)