Non-destructive hardness testing: Utilizes the Leeb rebound principle, suitable for rapid testing of large metal workpieces weighing 1 kg or more. Multi-material compatibility: Capable of measuring the hardness of a variety of metal materials, including steel, stainless steel, cast iron, copper, and aluminum alloys. Multi-unit conversion: Supports flexible switching between hardness scales, including HL, HRC, HRB, HV, HB, and HS. Automatic impact direction detection: Supports measurement at any angle, including inverted operation, to accommodate complex working conditions. High-definition color display: The large backlit screen displays all parameters and functions, ensuring intuitive and clear operation., Manufacturer: ZXZZAS