0-32% Brix Sugar refractometer, it is also an important tool for sanding control and is con NGS Emulsions. Measurement range: Brix: 0-32% , Resolution: sugar: 0.2% Easy to use. Place 2.3 drops of sample on the main prism, close the plate and look through the window at the Brix reading; CALIBRATION: zero calibration with water at 20 C, the. automatic temperature compensation between 10C and 30C (ATC). Sharp precision measurement dividing line (blue-white), easy to read (daylight visible), adjustable eyepiece for focus adjustment. Calibration: zero calibration with distilled water at 20C, automatic temperature compensation between 10C and 30C (ATC). Please note that due to manual measurements and display differences, there may be slight differences between individual products and photos.