... : 1 unit 4.Warranty : 1 year Digital Whiteness Meter Model: WSB-3 A & E Lab.Main Products: Atomic Absorption Spectrometer (AAS), Fluorescence ... -Spectrophotometer, UV Vis Spectrophotometer, Visible Spectrophotometer, Flame Photometer, Whiteness Meter, Turbidity Meter, Colorimeter, Gloss Meter, Tintometer, Automatic Polarimeter, Auto Melting Point Apparatus, Automatic Refractometer ...