Hardness Tester Calibration Sheet
Instrument Name:
Model:
Serial No.:
Location:
Date of Calibration:
Next Calibration Due:
Calibrated By:
Approved By:
Reference Block Details
Block ID
Type / Scale
Certified Hardness
Uncertainty
Certificate No.
Calibration Results
Test Point
Standard Value
Instrument Reading
Difference
Pass/Fail
Remarks