ZORBES Refractometer for Wine Beer Brewing with ATC and Dual Scale of Brix 0-40% and Alcohol 0-25% vol, Refractometer for Measuring Sugar Content in Grape Juice & Predicting Wine Alcohol DegreePROFESSIONAL REFRACTOMETER: The refractometer is designed according to the principle that liquids with different concentrations have different refractive indices, lightweight, compactm, fast result, accurate. PRACTICAL REFRACTOMETER: It is designed for the brix measurement of ferment for brandy, beer worth, sugar solutions, fruit juice or milk beverages. HIGH PRECISION: The measuring range for brix is 0 40%; Alcohol 0 25% vol, high precision. EASY TO