Measurement Systems Analysis - Factors Affecting Measurement Systems

Factors Affecting Measurement Systems

Factors might include:

  • Equipment: measuring instrument, calibration, fixturing, etc.
  • People: operators, training, education, skill, care
  • Process: test method, specification
  • Samples: materials, items to be tested (sometimes called "parts"), sampling plan, sample preparation, etc.
  • Environment: temperature, humidity, conditioning, pre-conditioning,
  • Management: training programs, metrology system, support of people, support of quality management system, etc.

These can be plotted in a "fishbone" Ishikawa diagram to help identify potential sources of measurement variation.

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