Natural language names
Sound Pressure Measure
Mesure de pression sonore
Semantic definitions at the type
Type definition

A sound pressure measure is a measure of the pressure fluctuations superimposed over the ambient pressure level with units of pascals.

Type: REAL

HISTORY  New type in IFC2x2, changed in IFC4. See also IfcSoundPressureLevelMeasure for using the unit decibel, i.e. relativ to a reference value.
Formal representations
XML Specification
 <xs:simpleType name="IfcSoundPressureMeasure">
  <xs:restriction base="xs:double"/>
EXPRESS Specification
TYPE IfcSoundPressureMeasure = REAL;

Link to EXPRESS-G diagram EXPRESS-G diagram

References  References: IfcDerivedMeasureValue

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