The Triplett RFT10 portable sucrose Brix refractometer measures the concentration (0 to 10%) of industrial cutting fluids and the sugar content of fruit, fruit juices, wine, beer, soft drinks, and other foods and beverages. It requires only 2 to 3 drops of solution to obtain an accurate measurement. ATC automatically compensates for ambient temperature changes from 50° to 86°F (10° to 30°C). The RFT10 features easy calibration with distilled water.