DescriptionThis is an professional optical refractometer which is designed to measure the alcohol concentration of liquor. It is a necessary tool for testing the alcohol proof. The marking is clear and easy to read. There is a hard shell for the tester to protcet it from being destoryed by accident.Features- Color: As shown. - Material: Metal. - Size: 20.5 x 9 x 5.5cm. - Easy to read and use. - 0 to 80% v/v alcohol measuring range, with a dividing line (blue-white) to ensure accurate readings. - Place 2 - 3 drops of sample onto the prism, and then look through the eyepiece for both the density of alcohol readings. - This alcohol refractometer is lightweight and compact in size, it is very convenient to store and carry around. - Tips: After use, it is strictly forbidden to wash directly into the water, wipe it with a clean cloth. For the optical surface, it should not be scratched or scratched.
