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VERIFICATION RESULTS OF LEEB HARDNESS INDICATING DEVICES FROM DIFFERENT MANUFACTURERS USING THE LEEB HARDNESS REFERENCE VOLTAGE SIGNAL

Nae Hyung Tak, Gun Woong Bahng, Tag Gyu Kim
  • Abstract:
    The indicating device of a Leeb hardness tester is an important device that determines the performance of tester. As such, the indicating device needs verification just like the depth-measuring system of a Rockwell hardness tester. This paper presents the verification results of indicating devices from different manufacturers. For the verification, a calibrator to output the reference voltage signal was designed and used for the test. The results showed that the maximum deviation was 24 HLD.
  • Keywords:
    hardness, Leeb Hardness, verification of indicating device
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  • DOI:
    _unreg_wc-2015.170

Event details:

  • IMEKO TC:
  • Event name:
    XXI IMEKO World Congress
  • Title:

    Measurement in Research and Industry

  • Place:
    Prague, CZECH REPUBLIC
  • Time:
    30 August 2015 - 04 September 2015