quantity value
- Guideline or reference source
- ISO11240 IDMP Data elements and structures for the unique identification and exchange of units of measurement
- ISO11616 IDMP Data elements and structures for the unique identification and exchange of regulated pharmaceutical product information
- Definition
- value of a quantity number and unit (reference) together expressing magnitude of a quantity NOTE 1 A Quantity value expresses the magnitude of a quantity. This expression consists of a numerical value together with a unit of measurement. The unit of measurement represents a quantitative scale of reference that relates the measured (or estimated) quantity value to one or more reference quantity values. The numerical value is the result of comparing the measured quantity to this reference scale. NOTE 2 The word “magnitude” is not defined in the International vocabulary of basic and general terms in metrology. However, this definition of quantity value indicates that “magnitude” is expressed as a quantity value; i.e., a quantity value is an expression of a magnitude and the same magnitude might be expressed in many quantity values. NOTE 3 A reference can be a unit of measurement, a measurement procedure, a reference material, or a combination of such.
- Related Term
- quantity
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