Yht100 Hardness Tester|Multiple Hardness Scales:Supports HV, HB, HRC, HRB, HRA, and HS scales for diverse material testing. Large LCD Display:Features a 128×64 matrix LCD for clear, easy-to-read hardness values. Extensive Data Storage:Capable of storing up to 600 groups of impact times, enhancing data management. Portable and Lightweight:Weighing just 0.6kg, this portable hardness tester is designed for on-site use. Extended Battery Life:Offers a continuous working period of approx. 100 h without back light.