NIST Seminar

N08-Traceability, Operations, and Good Measurement Practices for Balances in an Analytical Environment – 1 day

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March 21, 2018 8:00 am - 5:00 pm

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Mark Ruefenacht

Traceability, Operations, and Good Measurement Practices for Balances in an Analytical Environment

Presenter: Mark Ruefenacht, NIST OWM

 

This tutorial is designed for the beginner to advanced user of balances, calibration managers, quality managers, ISO/IEC 17025 assessors, and those wanting a better understanding of accurate weighing methods where analytical weighing is an integral part of operations.

After the successful completion of this tutorial, using your notes and resources, participants will be able to:

  • Establish and maintain metrological traceability to the SI for weighing;
  • Employ good measurement practices and consideration in the use of balances and weighing instruments;
  • Choose appropriate calibration weights and check weights;
  • Analyze various methodologies for process measurement assurance in analytical weighing;
  • Perform accuracy checks of balances and weighing instruments;
  • Determine minimum sample quantities per USP 41;
  • Describe fact vs. myth of “AutoCal” features;
  • Evaluate balance calibration suppliers;
  • Apply measurement uncertainty associated with balance indications and balance calibration;
  • Use balances and weighing instruments in an ISO, FDA, or regulated environment.

 

Participants will receive a thumb drive with numerous resources and guidance documents.  This tutorial is designed to provide practical implementation of the principles and techniques and compliment the one-day “Calibration of Weights & Mass Reference Standards” NIST Tutorial.

 

Calibration Weights & Mass Reference Standards: An overview of calibration methods, use, proper handling, and documentary standards (ASTM E617-13, OIML R111-1 & NIST Handbook 150-1)

Presenter: Mark Ruefenacht, NIST OWM

 

Mass reference standards are used daily in metrology laboratories for calibration of weights, torque devices, force gauges, balances, and other gravimetric applications; and used extensively in measurement assurance and quality control programs for intermediate checks of balances and weighing instruments for accuracy and proper functioning.

This one-day tutorial is designed for users and calibration suppliers of precision weights & mass reference standards, technical managers, quality managers, ISO/IEC 17025 assessors, and those wanting a better understanding of the documentary standards and calibration requirements of weights and mass reference standards.

At the conclusion of the tutorial, using your notes and resources, participants will be able to:

  • Compare and contrast the three documentary standards (ASTM E617-13, OIML R111-1 & NIST Handbook 150-1) which contain mass reference standards specifications and calibration methods;
  • Differentiate between the various accuracy classes;
  • Establish and maintain metrological traceability for weights & mass reference standards back to the International Prototype Kilogram (SI);
  • Employ good measurement practices and safe handling of precision weights;
  • Choose the appropriate accuracy class for calibration weights and check weights for your application;
  • Choose the appropriate method for calibration of weights and mass reference standards;

 

Participants will receive a thumb drive with numerous resources and guidance documents.  This tutorial is designed to provide practical implementation of the principles and techniques, and compliment the one-day “Balances in the Analytical Environment” NIST Tutorial.

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