Ade Advanced Optics BCBI9177 Beer Wort and Wine Refractometer, Dual Scale - Specific Gravity 1.000-1.120 and Brix 0-32%, Replaces Homebrew Hydrometer (Aluminum) Ade Advanced Optics-Dual range refractometer measures the Brix and Specific Gravity of your Wort or wine.. Measures Brix: 0-32% and Specific Gravity:1.000-1.120 Features ATC (Automatic Temperature Compensation) for accurate readings. A refractometer is easier and more accurate than a hydrometer for measuring sugars. Measures Brix: 0-32% and Specific Gravity:1.000-1.120 2 Years warranty!