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ATORN Hardness reference plates, HRA test procedure
Includes DAkkS certificate
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Application
For indirect and periodic checking of functionality and measurement inaccuracy of hardness testers in line with the HRA test method.
Execution
- Fine-grained, homogeneous steel
- DAkkS certificate
Notes
Link to retrieve file: https://www.mpanrw.de/downloads/haertevergleichsplatten-dateiabruf-messunsicherheit
Select RAL-colour code
!! NOTE: On-screen visualisation of the colour differs from real colour shade!!