Natural language names
Mesure de PH
Semantic definitions at the type
Type definition

IfcPHMeasure is a measure of the molar hydrogen ion concentration in a liquid (usually defined as the measure of acidity) in a range from 0 to 14.

HISTORY  New type in IFC2x2.
Formal Propositions
WR21The pH value shall be in the range from 0 to 14.
Formal representations
XML Specification
 <xs:simpleType name="IfcPHMeasure">
  <xs:restriction base="xs:double"/>
EXPRESS Specification
TYPE IfcPHMeasure = REAL;
  WR21 : {0.0 <= SELF <= 14.0}

Link to EXPRESS-G diagram EXPRESS-G diagram

References  References: IfcDerivedMeasureValue

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