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 (10°C~30°C) 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: clear separation line (blue/white), good readability (daylight visible), adjustable eyepiece for adjustment of sharpness. Calibration: zero calibration with distilled water at 20°C, automatic temperature compensation between 10°C and 30°C (ATC).