My Metrology Terms

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Across
  1. 4. measurement unit that is adopted by convention for a base quantity.
  2. 9. maximum interval through which the value of a quantity being measured can be changed in both directions without producing a detectable change in the corresponding indication.
  3. 10. parameter characterizing the dispersion of the quantity values being attributed to a measurand, based on the information used.
  4. 11. difference of measured quantity value and reference quantity value.
  5. 12. ability of a measuring instrument or measuring system to maintain its metrological properties constant with time.
  6. 14. mathematical relation mathematical relationship relating base units, coherent derived units or other measurement units.
  7. 15. scalar quantity, defined and adopted by convention, with which any other quantity of the same kind can be compared to express the ratio of the two quantities as a number.
  8. 17. smallest change in a quantity being measured that causes a perceptible change in the corresponding indication.
  9. 18. systematic measurement error, with respect to a reference quantity value.
  10. 20. closeness of agreement between indications obtained by replicate measurements on the same or similar objects under specified conditions.
Down
  1. 1. set of operations carried out on a measuring system in order that it provide prescribed indications corresponding to given values of the quantity to be measured.
  2. 2. measurement precision under a set of repeatability conditions of measurement.
  3. 3. verification, where the specified requirements are adequate for a stated use.
  4. 5. closeness of agreement between the average of an infinite number of replicate measured quantity values and a reference quantity value.
  5. 6. datum error for zero measured quantity value
  6. 7. quantity value consistent with the definition of a quantity.
  7. 8. field of knowledge concerned with measurement.
  8. 13. quotient of the change in the indication and the corresponding change in the value of the quantity being measured.
  9. 16. process of experimentally obtaining one or more quantity values that can reasonably be attributed to a quantity.
  10. 19. provision of objective evidence that a given item fulfils specified requirements, taking any measurement uncertainty into consideration.