Usage: It is suitable for measuring honey, speech, vegetables, condensed milk and vegetable oils, sweets (syrup), fruit jam, molasses and the concentration of drinks, soups.< /p> Measuring range: 0-90% Brix (sugar content), resolution: 0.5% Brix (sugar content). Automatic temperature compensation (10C~30C) and calibration screw ("0" calibration). Easy to use. Place 2.3 drops of sample on the main prism, close the plate and look through the window to read the Brix value. Precision measurement: sharp dividing line (blue/white), good readability (visible daylight), adjustable eyepiece for sharpness adjustment. Calibration: calibration zero with distilled water at 20C, automatic temperature compensation between 10C and 30C (ATC).