Professional refractometer, portable alcohol testing refractometer 0-80%, wine tester meter measuring instrument

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