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What is a reference value?

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A reference value is the known and correct measurement for each part. The reference value is used for comparison during measurement system analysis. For example, you have a reference part with known weight of 0.025 g that you use to calibrate your scales.

Reference values can be determined in many ways, depending on industry standards and company and customer expectations. The following are some of the characteristics of reference values:
  • Reference values are an average of repeated measurements from more accurate measuring equipment.
  • Reference values are endorsed by a professional group.
  • Reference values are agreed on by the affected parties.
  • Reference values are defined by law.
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