Usage Tips:ACCURATE READINGS : The Honey refractometer can measure Brix (sugar): 58-90%, Resolution: Brix (sugar): 0.2%, 10-32% water with 0.2% reading ADVANCED AUTOMATIC TEMPERATURE COMPENSATIONATCTECHNOLOGYAdjust Automatically to Compensate for Temperature, Which makes it even easier to get fast results. SIMPLY USE: Using the dropper to take a sample of wort and put it on the prism. Then hold the refractometer up to the light and look scale through the eyepiece, more accurate to measure sugars in verities of melon, fruits or juice. WIDE USE: The Honey Refractometer is ideal for measuring honey, condensed milk, vegetable oils, sugar syrup, fruit jam and molasses. PORTABLE HONEY CONTENT TESTER: Easy to use, sturdy design, compact in size and light in weight, convenient to keep up and carry around When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specifications We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don't hesitate to contact us. We are here to help and will do our best to assist you. Thank you for choosing our product. We hope you enjoy it