Hardness Tester with LCD Screen can be used to determine the hardness of steel, alloy, steel alloy, plated coating, carburized, nitrided and cyanided layers. The Hardness Tester has automatic test force holding and releasing method. The Hardness Tester has test force of 15, 30, 45, 60, 100 and 150 kgf. The Hardness Tester with LCD Screen has the feature of data disposing in CPU.