IfcSoundPressureMeasure

BACnet MVD

#### IfcSoundPressureMeasure

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"/>
</xs:simpleType>
`
EXPRESS Specification
`TYPE IfcSoundPressureMeasure = REAL;
END_TYPE;

EXPRESS-G diagram

`

References: IfcDerivedMeasureValue

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