The global Measurand element (to be used via 'ref') is asingle measurand. This element may be replaced (asprovided by substitution group declarations) by any of thefollowing elements representing types of action method: EvaluateCharacteristicMeasurand EstablishDatumMeasurand
The id attribute is the QIF id of the measurand, used for referencing.
Source
<xs:element name="Measurand" type="MeasurandBaseType" abstract="true"><xs:annotation><xs:documentation>The global Measurand element (to be used via 'ref') is a single measurand. This element may be replaced (as provided by substitution group declarations) by any of the following elements representing types of action method: EvaluateCharacteristicMeasurand EstablishDatumMeasurand</xs:documentation></xs:annotation></xs:element>