Large dot matrix LCD display, USB port Inside mini printer ... the Leeb hardness of all metallic materials.2. Large screen LCD, showing all functions and parameters. With EL ... HRB, HRC, HV, HB, HS, HL.6. Large memory could store 100 groups (Relative to average times ... metallic materials8. Rapid testing in large range and multi-measuring areas for large-scale work pieceTechnical SpecificationsError and ...