Sugar/Brix Refractometer 0-80%Description Sugar Refractometer 0 ~ 80% covers all of the substances of the Sugar Brix Refractometer 0 32% 300001 and Sugar Refractometer 28 62% 300002, as well as very high sugar content products such as jam, marmalade and syrup. Its wide range also makes this refractometer a good choice for the testing of any solution with an unknown sugar content. Comes with a hard carrying case and calibration tool. Place a drop or two of a sample on the prism and