I-Digital Rockwell Hardness Tester ixhotyiswe ngesikrini esikhulu esandula ukuyilwa esinokuthembeka okulungileyo, ukusebenza okugqwesileyo kunye nokubukela okulula, ngoko ke yimveliso yobuchwepheshe obuphezulu edibanisa i-mechanic kunye neempawu zombane.