1, fast, high-precision high-definition display 2, Temperature automatic compensation, reduce the error caused by temperature, improve the measurement accuracy 3, purpose, use of the scene: food, fruits and vegetables, beverages, automotive, chemical, etc., rapid measurement of the concentration of a variety of liquids 4, The digital refractometer is a digital high-precision optical instrument designed by the principle of refraction. It is small and beautiful, easy to use, and LCD large-screen digital display. As long as a drop of sample solution is placed on the prism, the measured value be displayed within 3 seconds, which avoids the subjective error numerical interpretation. 5, Professionally measure the sugar content of water samples, food, fruits and , widely used in food industry, beverage industry, agriculture, agricultural food processing industry, etc. Colour: Material:ABS Tips: The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use Package Contents: 1 * digital refractometer kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.