Professional Refractometer, 0-80% Portable Alcohol Test Refractometer, Wine Tester Meter Measuring Instrument

【Use for】This is a professional optical refractometer designed to measure the alcohol concentration in alcohol. It is not suitable for measuring alcohol content in beer or wine! 【Easy to Use】Place 2-3 drops of sample on the prism, then look through the eyepiece for the alcohol density readings. 【Convenient to Carry】This alcohol refractometer is lightweight and compact in size, it is very convenient to store and carry. 【Measuring Range】Alcohol: 0-80% v/v, with a clear dividing line (blue-white) to ensure accurate readings. 【Tips】After use, it is strictly forbidden to wash directly in water, wipe it with a clean soft cloth. For the optical surface, should not be scratched or scratched.