Feature: 1. WIDE APPLICATION: Digital sugar degree refractometer is widely used in food, beverage, fruit sugar content determination, crop sugar content determination and other fields. 2. HIGH ACCURACY: Refractometer has built in excellent chip, high measurement accuracy, sensitive response, fast measurement speed and long term use. 3. AUTOMATIC CALIBRATION: Sugar degree tester supports temperature compensation function, automatic calibration, not affected by the environment, automatically eliminate the measurement error. 4. BACKLIGHT DISPLAY: Sugar degree refractometer is equipped with HD backlight display, supporting three kinds of data display, clear and intuitive, more convenient to use. 5. EASY TO USE: Sugar degree meter refractometer is equipped with a high transmittance refractive prism, and the liquid can be measured after mixing well. Specification: Item Type: Digital Refractometer Product Material: ABS, PC Sugar Degree Measurement Range: 0‑55% Temperature Measurement Range: 10‑100℃ Resolution: Sugar Degree: 0.1%; Temperature: 0.01℃ Accuracy: Sugar Degree: ±0.2%; Temperature: ±0.15℃ Ambient Temperature: 10‑40℃ Sample Volume: 0.3mL Power Supply: 2 x AA Batteries (not Included) Size: Approx. 58.5x121x30mm / 2.3x4.8x1.2in Gross Weight: 213g/7.5oz. Package List: 1 x Meter(Battery not Included) 1 x Cross Screwdriver1 x Dropper1 x English Instruction1 x Wiping Cloth Note: All data are measured manually, and there are certain errors in the measurement results.