meter,it can measure the whiteness of flour, starch and rice flour to attain the goal of controlling the machining precision ... , Abbe Refractometer, PH/DDS/TDS Meter, etc.Application:This instrument based on the principle of photoelectric effect & D65 light source (R457 ... Whiteness Meter (0-100%,LED display, touch panel, test paper, rice, flour, powder, paste)