... , PH/DDS/TDS Meter, etc.Application:This instrument based on the principle of photoelectric effect & D65 light ... (powder), Calcium Carbonate (powder),etc.² Cosmetic industry: Toothpaste (paste), Face Cream (paste), etc.² Food industry: Flour (powder), Starch (powder), ... Salt (powder), Sugar (powder), Fish Balls (paste),etc² Paper making industry: Paper Factory (paper/sheet), Printing ...