GUM

ISO 17025 Measurement Uncertainty

Estimate measurement uncertainty per ISO/IEC 17025:2017 Clause 7.6 using GUM (JCGM 100:2008) methodology. Builds uncertainty budgets with Type A/B component identification, distribution divisors, sensitivity coefficients, law of propagation of uncertainty, Welch-Satterthwaite for effective degrees of freedom, and coverage factor justification per ILAC P14:01/2020. Validates budget completeness and Clause 7.8.3/7.8.4 reporting compliance including decision rules and guard-band methods for conformity statements.