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WELMEC WG4

Document   Annotation Text of the document

WELMEC 4.2 Issue 1 (2006)

Elements For Deciding The Appropriate Level Of Confidence In Regulated
Measurements. (Accuracy classes, MPE in-service, nonconformity, principles of uncertainty)

This WELMEC document reflects the following issues:

  • Accuracy classes of measuring instruments;
  • The role and setting of maximum permissible errors (MPEs)
    in-service;
  • Acceptable maximum rate of non-conforming instruments in use;
  • Use of measurement uncertainty when assessing instrument conformity.
link to the WELMEC webpage
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