Kal Rock


Ranges of application

Calibration device for the penetration depth of Rockwell-hardness testing machines (patented) with DAkks / DKD-calibration certificate         



Our Service for you:

  • Calibaration 
  • Testing devices in loan 
  • Measurement Service 
  • Maintenance Contract 
  • Training


DAkkS/DKD calibration certificate

DAkkS/DKD calibration certificate

When a measuring instrument is being calibrated, the given deviation is determined by various measurements versus standard references. A calibration certificate is then issued indicating the measuring results and the corresponding measurement uncertainties and the instrument is marked as calibrated. 

All documents together with the calibration certificate provide traceability of national standards.


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