Refractometer, RISEPRO Home Brewing Alcohol Hydrometer Dual Scale Brix 0~32% Wort SG 1.000~1.120 Specific Gravity Sugar Wine Beer Juice Fruit Grass (Aluminium) HELPS YOU BREW BETTER  RISEPRO&reg; Refractometer can measure Brix and Specific Gravity with dual scales for your Wort or Wine. It helps to approximate the finished alcohol readings. Let it helps you to brew better! MEASURES SUGAR CONTENT  It can measure sugar content for any juice such as fruit, vegetables, grasses and etc. for up to 32% brix. What a fantastic Sugar Measuring Tool for Food and Beverages field! EASY TO MEASURE WITH DUAL SCALES  All you need to do is place 2 - 3 drops of sample onto the prism, and then look through the eyepiece for both Brix and Specific Gravity readings. MEASUREMENT RANGE : BRIX 0  32% and Wort Specific Gravity: 1.000 ~ 1.130 HIGHLY ACCURATE WITH ATC  The accuracy level is Brix:  0.20% and Wort Specific Gravity: 0.002. Automatic Temperature Compensation range is from10 C to 30 C