Wide measuring range. It can measure the hardness of all metallic materials. Direct display of hardness scales HRB, HRC, HV, HB, HS, HL and three types of strength values immediately. Large screen LCD, showing all functions and parameters. With EL background light. Seven impact devices are available for special application. Automatically identify the type of impact devices, and with the user calibration function. Test at any angle, even upside down.