Equipped Brinell, Rockwell, Vickers test methods;Touch-screen interface, easy to operate, in any language version;Boot with no need to install weights and no installation;Electric load closed-loop control, automatic load is applied;Test force automatic correction, each file is automatically compensated force, improve the accuracy of the force a number of levels;According to GB / ASTM hardness automatic conversion;Rockwell automatically correct curvature radius;Set a password to protect setup parameters, more samples and testing information;Measuring U disk to save data to EXCEL format for easy editing and processing; Modular design for easy maintenance.