Measurement - Dynamic NPU Manual


Definition Process of experimentally obtaining one or more quantity values that can reasonably be attributed to a quantity

Measurement is an actual proces and can only be applied to a quantity (whereas kind-of-quantity is an abstract concept)

Measurement is a subcategory to examination

  • Measurement does not apply to nominal properties.
  • Measurement implies comparison of quantities or counting of entities.
  • Measurement presupposes a description of the quantity commensurate with the intended use of a measurement result, a measurement procedure, and a calibrated measuring system operating according to the specified measurement
Specifications Measurement applies to the entire procedure from patient preparation prior sample collection →  measurement result
Reference International Vocabulary of Metrology – Basic and General Concepts and Associated Terms (VIM 3rd edition)
JCGM 200:2012


  • measurement
  • nominal examination