Versatile Measurement: Measures hardness in various units including HL, HRC, HRB, HV, HB, and HS for comprehensive testing High Accuracy: Features an accuracy error of less than ±6HLD, ensuring reliable and precise results for industrial applications User-Friendly Display: Equipped with a 128*64 dot matrix LCD with adjustable contrast for easy reading in different lighting conditions Memory Function: Stores up to 100 groups of testing results, making it convenient for tracking and comparing measurements Lightweight and Portable: Weighing only 320g with a compact size of 198mm * 82mm * 30mm, it's easy to carry and use in various environments, Manufacturer: GQNBLVHZUPDM