Digital Whiteness Meter,Brightness Meter, Paper Whiteness Meter, Powder Whiteness Test, Tissue Whiteness Tester, Rice Whiteness A & E Lab. ... widely measured the whiteness value of any substances. Such as: powder, board, paper, paste, sheet, clay, etc.Characteristics:² Compact in size ... or batterySize & Weight345×385×170mm & 3kg Portable Whiteness Meter (WSB-1)