#### 8.9.2.28 IfcTemperatureRateOfChangeMeasure

The temperature rate of change measures the difference of a temperature per time (positive: rise, negative: fall), as for instance used with heat sensors. It is for example measured in K/s (Kelvin per second).

Type: REAL

> HISTORY New type in IFC4.

XSD Specification:

<xs:simpleType name="IfcTemperatureRateOfChangeMeasure">
<xs:restriction base="xs:double"/>
</xs:simpleType>
<xs:element name="IfcTemperatureRateOfChangeMeasure-wrapper" nillable="true">
<xs:complexType>
<xs:simpleContent>
<xs:extension base="ifc:IfcTemperatureRateOfChangeMeasure">
<xs:attributeGroup ref="ifc:instanceAttributes"/>
</xs:extension>
</xs:simpleContent>
</xs:complexType>
</xs:element>

EXPRESS Specification:

TYPE IfcTemperatureRateOfChangeMeasure = REAL;
END_TYPE;

EXPRESS-G diagram

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