Features Accurate Test: The Honey Refractometer has accurate test results, 58-90% concentration measurement range, 0.2% minimum range. Professional Measuring Instrument: The honey measuring instrument is a professional measuring instrument for testing honey Brix, it adopts professional design and has a compact appearance. Easy To Read: The honey measurer is calibrated clearly for easy reading and comes with a case for portability and easy storage and storage. Handle is Comfortable to Hold: The measuring accurate brix refractometer is easy to use, and the handle is comfortable to hold and non-slip, which can meet our use needs. Internal Temperature Compensation: The brix meter has internal temperature compensation ranging from 10°C to 30°C for reliability and high accuracy. Specifications: Measuring RangeResolution Brix 58-90%, Resolution 0.50% Baume 38Be' - 43Be', Resolution 0.5Be' 1% Water 12%-27%, Resolution 0.2%Brix Minimum Scale: 0.2% Automatic Temperature Compensation: 10℃~30℃ Length: 15cm / 5.9inch Weight: approx. 240g Instruction: 1. Open the cover and carefully wipe the prism with a soft cloth. 2. Take a few drops of the solution to be measured, place on the detection prism, gently close the cover to avoid producing bubbles which will make the solution spread all over the prism surface. 3. Put the cover directly point to the light source or bright place, observe the field of view through the eyepiece. 4. Turn the eyepiece to adjust the hand wheel to make the blue and white line clear. The scale value of the dividing line is the concentration of the solution.   Note: 1. Please use this instrument according to the instruction, be careful when using. Do not loose any connection part arbitrarily, prevent violently shock, impact and falling off. 2. Use clean and soft cloth to wipe the instrument, do not put into water directly to clean and avoid scratch of surface. 3. Storage the instrument at dry and non-corrosive place. 4. Storage the part well. 5. The adjustment range of eyepiece and hand wheel is within 2cm left or right. Do not adjust it over 2cm, otherwise it will be broken. Package Included: 1 x Refractometer 1 x Screwdriver 1 x Pipette 1 x Clean Cloth 1 x Box Package List