ERB-32 optical Brix Refractometer (brix meter) is designed to measure of sugar content in an aqueous solution, measure ferment for brandy, beer wort, soft drinks, sugar solutions, cutting liquid, fruit juice or milk beverages. It can also measure total dissolved solids of Soup or Water-soluble glue.Provides a scale with 0-32% Brix in 0.2% division. Auto Temperature Compensation (ATC), increase accuracy& eliminates concerns on temperature, ERB-32 is very Easy to calibrate and use Cushioned with soft & comfortable non-slip rubberized grip, insulate test solution from body heat Adjustable focus and clearly defined scale, with large easy-to-read measurements Approved by strict quality & safety standards Just place a few drops of sample on testing prism, cover, look through eyepiece and read the result!