IFC 4.3.0.0 (IFC4X3) final

7.2.2.4 IfcFlowInstrumentTypeEnum

7.2.2.4.1 Semantic definition

The IfcFlowInstrumentTypeEnum defines the range of different types of flow instrument that can be specified.

7.2.2.4.2 Type values

Type Description
AMMETER

A device that reads and displays the current flow in a circuit.

COMBINED

A device that reads and displays the value of multiple properties of a system at a point, or displays the difference in the value of a property between two points.

FREQUENCYMETER

A device that reads and displays the electrical frequency of an alternating current circuit.

PHASEANGLEMETER

A device that reads and displays the phase angle of a phase in a polyphase electrical circuit.

POWERFACTORMETER

A device that reads and displays the power factor of an electrical circuit.

PRESSUREGAUGE

A device that reads and displays a pressure value at a point or the pressure difference between two points.

THERMOMETER

A device that reads and displays a temperature value at a point.

VOLTMETER

A device that measures and displays the voltage in a circuit.

VOLTMETER_PEAK

A device that reads and displays the peak voltage in an electrical circuit.

VOLTMETER_RMS

A device that reads and displays the RMS (mean) voltage in an electrical circuit.

USERDEFINED

User-defined type.

NOTDEFINED

Undefined type.

Table 7.2.2.4.A

7.2.2.4.3 Formal representation

TYPE IfcFlowInstrumentTypeEnum = ENUMERATION OF
	(AMMETER
	,COMBINED
	,FREQUENCYMETER
	,PHASEANGLEMETER
	,POWERFACTORMETER
	,PRESSUREGAUGE
	,THERMOMETER
	,VOLTMETER
	,VOLTMETER_PEAK
	,VOLTMETER_RMS
	,USERDEFINED
	,NOTDEFINED);
END_TYPE;

7.2.2.4.4 References