... and repeatability of displayed value No. Type of impact device Hardness value of hardness block Error of displayed value Repeatability ... HV,(30-100)HS,(59-85)HRA,(13-100)HRB Measuring direction:360°Hardness Scale:HL,HB,HRB,HRC,HRA, ... of metallic materialsRapid testing in large range and multi-measuring areas for large-scale work pieceConfiguration:No.ItemQtyRemarksStandard Configuration1Main body1 2D ...