... of hardness scales HRB, HRC, HV, HB, HS, HL 3. Large screen(128*64 dot matrix LCD), showing all functions and ... )HRA, (13-100)HRB 2. Measuring direction: 360° 3. Hardness Scale: HL, HB, HRB, HRC, HRA, HV, HS 4. Display: dot ... in the warehouse of metallic materials 8. Rapid testing in large range and multi-measuring areas for large-scale work piece