What special designs are included in Rockwell hardness testers to protect the equipment and ensure the validity of the test?

Chung-Tse's Rockwell hardness tester takes into account the protection of the equipment and the effectiveness of the testing in its design. For example, our equipment is equipped with a screw protection sleeve. When the hardness tester is not in use or the height of the test piece is less than 100mm, it can be placed over the outside of the screw to prevent the impact of dust on the equipment. When the height of the test piece is greater than 100mm, it must be removed to avoid pushing up the working platform, which would lead to an invalid test. This design ensures the long-term use of the equipment and the accuracy of the tests.