IfcSoundPowerLevelMeasure

BACnet MVD

#### IfcSoundPowerLevelMeasure

Natural language names

| Sound Power Level Measure
| Mesure de niveau de puissance acoustique

Change log

Item | SPF | XML | Change | Description
--- | --- | --- | --- | ---
IFC2x3 to IFC4
IfcSoundPowerLevelMeasure |  |  | ADDED |

##### Semantic definitions at the type

Type definition

A sound power level measure is a measure of total radiated noise with units of decibels with a reference value of picowatts.

Type: REAL

> HISTORY Renamed in IFC4 (was IfcSoundPowerMeasure).

##### Formal representations

XML Specification
`<xs:simpleType name="IfcSoundPowerLevelMeasure">
<xs:restriction base="xs:double"/>
</xs:simpleType>
`
EXPRESS Specification
`TYPE IfcSoundPowerLevelMeasure = REAL;
END_TYPE;

EXPRESS-G diagram

`

References: IfcDerivedMeasureValue

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