Description: Lightweight, one-click operation, handheld design, pancratic eyepiece, easy to use. High concentration, multi-function, small size, light weight, easy to use, fast and accurate measurement. Ideal for rapid determination of sugar in liquid, determine the sugar content of fruits and crops in agriculture. Other physical indexes of liquid can be calculated by the determination of refractive index. Widely used in sugar content of fruit drinks, baume degree of honey, concentration of soybean milk or milk, freezing point of antifreezing solution, concentration of cutting fluid. Specification: Material: Plastic & Electronic Components Length: Approx. 19.5 cm/7.68 inch Measuring Range: 0~50%; 50~80% Accuracy: ±1% Package Includes: 1 Piece Refractometer