Brix Refractometer with ATC, measurement range from 0-32% , which perfect for measuring sugar content in fruit, food, juice, tea, beverages and sugar liquids, like beer, brandy and fruit juice. You can DIY jucie, tea and beverage with this brix meter tester, easy to control dirnks sugar concentration. It can be also used for laboratory and educational insturment Features: Durable - Brix reader is made of aluminium and ABS rubber, anti-rust and wear-resistant Smooth Focusting - brix tester with smooth eyepiece, allow you to ajdust it easily and view the clearly scale ATC function - sugar refractometer can automatically compensate the ambient temperature changes, to make sure the measurement results more accuracy. Tempeature Compensation range: 10 ° C ~ 30 ° C Easy to use - brix meter only need 2-3 drops of solution and put on prism, then you can get the accurate readings These brix sugar refractometers are based on the principle of the reflective indices of liquids changes when the concentration changes Brix sugar meter no need battery, easy to operate than traditional brix hydrometer and less expensive than digital refractometer Specifications: Reference Temperature: 20 ° C Measuring Range: Brix 0~32% Resolution: +/-0.2% Package Includes: 1 x Brix Refractometer 1 x Mini screwdriver 1 x 3ml pipette 1 x Plastic Box 1 x User manual 1 x Cleaning cloth with random color Note: This brix beer refractomerter is not suit for measuring honey water Please do not immerse this refractometer to water Please wipe the solution with cleaning cloth after use and storage in plastic box