Uncertainty Reporting and Communication in Test Reports
topic
ISO 17025 compliant uncertainty reporting states the expanded uncertainty alongside each measured value in test reports using the form result ± U where U is expanded uncertainty at specified coverage probability, together with the coverage factor k and confidence level used, with clear statement of the measurement unit, number of significant figures, and the method used to evaluate uncertainty.
Role
Ensures that textile test report recipients including customers, regulatory authorities, and certification bodies receive the uncertainty information necessary to interpret test results correctly, make valid conformance decisions, and understand the limitations of measurement data used to support product claims, disputes, and regulatory submissions.