... payment 3.MOQ: 1 unit 4.Warranty : 1 year Digital Whiteness Meter Model: WSB-3 A & E Lab.Main Products: ... UV Vis Spectrophotometer, Visible Spectrophotometer, Flame Photometer, Whiteness Meter, Turbidity Meter, Colorimeter, Gloss Meter, Tintometer, Automatic Polarimeter, Auto Melting Point Apparatus, ... of photoelectric effect & D65 light source (R457) and with 0/d or d/0 as a illumination condition. ...