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| articles:nist_traceability [2019/01/25 09:25] – [An "unbroken chain of calibrations" to what?] rrandall | articles:nist_traceability [2019/01/25 09:28] – [An "unbroken chain of calibrations" to what?] rrandall |
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| [[http://www.isobudgets.com/measurement-traceability-complying-iso-17025-requirements/|{{ :articles:measurement-traceability-pyramid-600px.jpg?direct }}]] | [[http://www.isobudgets.com/measurement-traceability-complying-iso-17025-requirements/|{{ :articles:measurement-traceability-pyramid-600px.jpg?direct }}]] |
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| I describe the above pyramid as "//typical//" because it is not a requirement to obtain traceability to SI units through a National Metrological Institute (NMI). | I describe the above pyramid as "//typical//" because, contrary to the antiquated language of ISO 9001:2015 & AS9100, it is possible to “bypass” the National Metrology Institutes (NMIs) to obtain traceability to SI units. |
| ===== What are SI Units? ===== | ===== What are SI Units? ===== |
| {{ :articles:2018-si.png?direct&130|}} | {{ :articles:2018-si.png?direct&130|}} |
