... SpecificationsWhiteness meter except solution or liquid samples, others all can test, such as: powder, board, paper, paste, sheet, clay,etc.A ... (R457) and with 0/d or d/0 as a illumination condition. Meanwhile, except solution or liquid samples, this instrument can ... .5kg Digital Whiteness Meter (0-100%,LED display, touch panel, test paper, rice, flour, powder, paste)