Item Type: Brix Refractometer_x000D_ Material: Aluminum Alloy_x000D_ Uses: It can be used for reagent sampling._x000D_ Range: 0-90%_x000D_ Accuracy: 0.20%_x000D_ Product Size: Approx.5.7in / 14.5cm 1Using high?quality prisms, it has high?definition eyepieces, capable of more demanding and accurate sugar measurement. 2Anti?slip rubber sleeve, it can ensure the safety during use, and can reduce the occurrence of accidents. 3Accurate range, its measurement results can be clearly displayed, helping to record and measure data. 4Simple method of use, you only need to follow the steps in the manual to detect, which is convenient for measurement. 5Wide range of applications, it can be used for all kinds of different samples to help detect the sugar content in various situations. 1 x Refractometer 1 x Dropper 1 x Screwdriver 1 x Wipe Cloth 1 x Manual 1. Be careful and cautious in use, use strictly in accordance with the instructions, and do not arbitrarily loosen the connecting parts of the instrument, do not fall, bump, and strictly forbid vibration._x000D_ 2. After use, it is strictly forbidden to directly put it in water for cleaning, and wipe it with a clean soft cloth. For the optical surface, it should not be scratched._x000D_ 3. The instrument should be kept in a dry and non?corrosive place._x000D_ 4. Try to avoid the loss of spare parts.