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Measurement Uncertainty Basics: Complete Quality Guide (GUM)

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Master ISO/IEC 17025 Uncertainty Evaluation With GUM Methods, Practical Case Studies, and Advanced Techniques.
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Created by Professional Training Institute (PTI)
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What you'll learn

  • Understand the fundamental concepts of measurement, traceability, and uncertainty in laboratory and industrial settings.
  • Apply statistical methods including probability distributions, standard deviation, and degrees of freedom to uncertainty analysis.
  • Implement the GUM framework for evaluating measurement uncertainty step by step.
  • Differentiate between Type A and Type B evaluation methods and know when to apply each.
  • Calculate combined standard uncertainty and expanded uncertainty with correct coverage factors.
  • Build complete uncertainty budgets with proper documentation and reporting formats.
  • Analyze real-world case studies from UKAS, NATA, EURAMET, and A2LA accredited laboratories.
  • Apply advanced techniques including correlation handling, Monte Carlo simulation, and sensitivity analysis.
  • Ensure compliance with ISO/IEC 17025:2017 requirements for uncertainty estimation.
  • Use software tools and Excel templates to automate uncertainty calculations.
This course includes:
3.5 total hours on-demand video
0 articles
0 downloadable resources
26 lessons
Full lifetime access
Access on mobile and TV
Certificate of completion
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Course content

Requirements

  • Basic understanding of mathematics, including algebra and introductory statistics.
  • Familiarity with laboratory operations, calibration, or quality control processes.
  • Access to a calculator or spreadsheet software such as Microsoft Excel or equivalent.
  • Willingness to learn technical concepts and apply them to practical scenarios.
  • No prior knowledge of measurement uncertainty is required, as the course starts from fundamentals.
  • Interest in quality standards such as ISO/IEC 17025 is beneficial but not mandatory.

Description

This course contains the use of artificial intelligence.

This comprehensive course provides quality professionals, laboratory technicians, metrologists, and calibration engineers with a thorough understanding of measurement uncertainty concepts, methodologies, and practical applications. Based on the internationally recognized Guide to the Expression of Uncertainty in Measurement (GUM), the course covers everything from fundamental statistical principles to advanced uncertainty evaluation techniques used in accredited laboratories worldwide.

Through detailed lectures, real-world case studies from the United Kingdom, Australia, Europe, and the United States, hands-on worked examples, and advanced professional tips, you will develop the competency to evaluate, calculate, document, and report measurement uncertainty in compliance with ISO/IEC 17025:2017, ILAC G17, and national accreditation body requirements. You will learn the statistical foundations of uncertainty, the GUM framework, Type A and Type B evaluation methods, combined and expanded uncertainty calculations, uncertainty budgets, and reporting practices that withstand the scrutiny of accreditation assessors.

Whether you are preparing for laboratory accreditation, seeking to strengthen your quality management system, or simply want to deepen your technical knowledge, this course delivers the theoretical foundation and practical skills you need to excel. By the end, you will be able to build defensible uncertainty budgets, apply the right coverage factors, handle correlation, and use software tools including Excel and Monte Carlo methods to automate and validate your calculations.
At Professional Training Institute, where we transform complex technical subjects into clear, practical, career-ready skills. The Professional Training Institute specializes in delivering industry-aligned training for quality professionals, laboratory personnel, engineers, and scientists who want to advance their competence and meet international standards with confidence. Our courses are built around real-world application, authoritative references, and step-by-step guidance designed to help you succeed in your role.

Who this course is for:

  • Laboratory managers and technical staff seeking ISO/IEC 17025 accreditation.
  • Quality assurance professionals responsible for measurement processes.
  • Calibration technicians and metrologists evaluating measurement uncertainty.
  • Scientists and engineers working in testing, inspection, and certification laboratories.
  • Students and researchers in chemistry, physics, engineering, and related fields.
  • Internal auditors assessing laboratory compliance with international standards.
  • Technical assessors working for accreditation bodies such as UKAS, NATA, A2LA, and DAkkS.
  • Professionals preparing for certification exams in metrology or quality management.
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