Course Description

This course reviews the basic concepts and accreditation requirements associated with measurement traceability, measurement assurance, and measurement uncertainty as well as their interrelationships. A basic process for the effective evaluation of a calibration service supplier or reference material producer will be discussed and participants will apply the process through a practical exercise.

Metrology terminology and basic statistics will be introduced, including a discussion on probability density functions and how they are used to quantify an uncertainty component.  The NIST 8-Step Process for Estimating and Reporting Measurement Uncertainty will be presented.

Participants will put their newly acquired knowledge into practice with exercises on identifying uncertainty components, specifying the measurement process and calculating and/or estimating standard uncertainties, combined standard uncertainties, and expanded uncertainties. The course concludes with a discussion on reporting of measurement uncertainty and the importance of having sufficient knowledge about the fundamental concepts of measurement traceability, uncertainty and assurance, and statistics for effective testimony regarding measurement uncertainty.

Learning Objectives

  • Understand the concepts of measurement traceability, uncertainty, and assurance and their interrelationships.
  • Understand ISO/IEC 17025, ISO/IEC 17020, and ANAB accreditation requirements related to uncertainty of measurement.
  • Demonstrate through practical exercises the application of a basic process for the evaluation of a supplier used to establish measurement traceability.
  • Learn metrology terminology and definitions.
  • Acquire knowledge about basic statistics, including probability density functions and how these statistics are used to quantify an uncertainty component
  • Learn a basic process for estimating measurement uncertainty and through practical application demonstrate this knowledge by estimating an uncertainty of measurement
  • Understand the importance of having sufficient knowledge regarding these fundamental concepts of statistics and measurement uncertainty for effective testimony

Who Should Attend

This training course is designed for laboratory management and technical staff responsible for review of uncertainties, and for consultants working with organizations seeking or maintaining accreditation to ISO/IEC 17025. 

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Recommended Prerequisite

Measurement Confidence: Fundamentals 

Private Training Session

This training course is available as a private session.  Private sessions are a great option for organizations that have several staff members that need the training.  

Contact us at training@anab.org or 414-501-5473 for more information.

Note:  ANAB as an accreditation body will not provide any consulting during public or private sessions. Although instructors are able to answer questions and provide information on best practices, they will not provide solutions to organization specific issues.

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