Great for the testing the amount of sugars and dissolved solids in Fruits, Vegetables, and Grasses; Easy and simple to use; No tools are needed for calibration * Used in wine and beer making, to get just the right concentration of sugars; More accurate and faster than your homebrew Hydrometer * Built-in automatic temperature compensation system from 0 to 30 degrees Celsius * Gives accurate readings with as little as 2 drops of solution per test * Brix (sugar) range of 0 - 32 brix; Resolution 0.2%; Accuracy 0.2%