Hardness Tester Calibration
Indiana Standards Laboratory technicians will calibrate your hardness tester using the Indirect Verification Method per ASTM E18. This involves testing the scales that your using with certified test blocks. Each scale is tested at low, mid, and high test points. Each test point is repeat multiple times per ASTM E18. After the work is completed at certificate will be sent to the customer with a report compliant with ASTM E18.

Scales Tested, HRC, HRBW, HRA, HREW