Beer Wort and Wine Refractometer, Dual Scale - Specific Gravity and Brix, replaces homebrew hydrometer Agriculture Solutions LLC - Dual range refractometer measures the Brix and Specific Gravity of your Wort or wine. A refractometer is easier and more accurate than a hydrometer for measuring sugars. Features ATC (Automatic Temperature Compensation) for accurate readings. Measures Brix: 0-32% and Specific Gravity:1.000-1.120 1 Year warranty with Agriculture Solutions LLC - Do Not Buy From XiTech, they are selling single scales with no warranty with us!