AskDefine | Define repeatability

User Contributed Dictionary

English

Etymology

repeatable + -ity

Noun

  1. the property or quality of being repeatable
  2. the variation amongst multiple measurements taken under the same conditions

Extensive Definition

Repeatability is the variation in measurements taken by a single person or instrument on the same item and under the same conditions. A measurement may be said to be repeatable when this variation is smaller than some agreed limit. According to the Guidelines for Evaluating and Expressing the Uncertainty of NIST Measurement Results, repeatability conditions include:
  • the same measurement procedure
  • the same observer
  • the same measuring instrument, used under the same conditions
  • the same location
  • repetition over a short period of time.
The standard deviation under repeatability conditions is part of precision and accuracy.

See also

repeatability in German: Wiederholpräzision
repeatability in French: Répétabilité
repeatability in Italian: Ripetibilità
repeatability in Japanese: 再現性
repeatability in Dutch: Herhaalbaarheid
repeatability in Russian: Сходимость результатов
repeatability in Slovenian: ponovljivost
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