Alcohol Refractometer 0-80%

Features: * A professional measure instrument to test alcohol concentration of wine or liquid. * Accurate test result, 0~80% concentration measure range, 1% minimum scale. * With automatic temperature compensation. * Easy to operate and calibrate. * Widely used to test distilled beverage, rice wine and wine. Method of Using: 1.Calibration: just 2-3 drops of distilled water or fresh water, using mini screwdriver to calibrate. Through the eyepiece to check the blue line is on zero. 2. After calibration, place a 2-3 drops of test sample onto the Clean main prism 3. Close the daylight plate and hold it under a light source, then check the reading. 4. After used, use the cleaning cloth to wipe the prism and storage.