The measurement procedure is a detailed description of a measurement according to 1) one or more measurement principles and 2) a given measurement method, based on a measurement model and including any calculation to obtain a measurement result. The measurement procedure comprises:

• Measurement method - generic description of a logical organization of operations used in a measurement
• Measurement model - provides the mathematical framework to interpret the output of the method
• Measurement result - the set of quantity values being attributed to a measurement together with any other available relevant information. This is generally expressed as a single measured quantity value and a measurement uncertainty.