#### 7.3.3.4 IfcFlowMeterType

| Type d'appareil de mesure de débit
| Zähler (allgemein) - Typ

The flow controller type IfcFlowMeterType defines commonly shared information for occurrences of flow meters. The set of shared information may include:

- common properties with shared property sets
- common representations
- common materials
- common composition of elements
- common ports

It is used to define a flow meter type specification indicating the specific product information that is common to all occurrences of that product type. The IfcFlowMeterType may be declared within IfcProject or IfcProjectLibrary using IfcRelDeclares and may be exchanged with or without occurrences of the type. Occurrences of IfcFlowMeterType are represented by instances of IfcFlowMeter. Refer to the documentation at IfcFlowMeter for supported property sets, materials, composition, and ports.

## Electrical System Design

Instance diagram

Identity

The Identity concept applies to this entity.

Exchange |  |  |  |  |  |  |  |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Import |  |  |  |  |  |  |  |  | R | R |  | R |
Export |  |  |  |  |  |  |  |  | R | R | R | R | R

Properties for Types

The Properties for Types concept applies to this entity.

Exchange |  |  |  |  |  |  |  |  |  |  |  |  |
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Import |  |  |  |  |  |  |  |  | R | R |  |  |
Export |  |  |  |  |  |  |  |  | R | R | R |  | R

Type-Based Ports

The Type-Based Ports concept applies to this entity.

Exchange |  |  |  |  |  |  |  |  |  |  |  |  |
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Import |  |  |  |  |  |  |  |  | R | R | R |  |
Export |  |  |  |  |  |  |  |  | R | R | R |  |

Classification

The Classification concept applies to this entity.

Exchange |  |  |  |  |  |  |  |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Import |  |  |  |  |  |  |  |  |  |  |  |  | R
Export |  |  |  |  |  |  |  |  |  |  |  |  | R

Product Type Assignment

The Product Type Assignment concept applies to this entity.

Exchange |  |  |  |  |  |  |  |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Import |  |  |  |  |  |  |  |  |  |  | O |  |
Export |  |  |  |  |  |  |  |  |  |  | O |  |

XSD Specification:

<xs:element name="IfcFlowMeterType" type="ifc:IfcFlowMeterType" substitutionGroup="ifc:IfcFlowControllerType" nillable="true"/>
<xs:complexType name="IfcFlowMeterType">
<xs:complexContent>
<xs:extension base="ifc:IfcFlowControllerType">
<xs:attribute name="PredefinedType" type="ifc:IfcFlowMeterTypeEnum" use="optional"/>
</xs:extension>
</xs:complexContent>
</xs:complexType>

EXPRESS Specification:

ENTITY IfcFlowMeterType

| SUBTYPE OF (IfcFlowControllerType);

PredefinedType | : | IfcFlowMeterTypeEnum;

| WHERE

CorrectPredefinedType | : | (PredefinedType <> IfcFlowMeterTypeEnum.USERDEFINED) OR ((PredefinedType = IfcFlowMeterTypeEnum.USERDEFINED) AND EXISTS(SELF\IfcElementType.ElementType));

END_ENTITY;

Attribute Definitions:

PredefinedType | : | Defines the type of flow meter.

Inheritance Graph:

ENTITY IfcFlowMeterType

| ENTITY IfcRoot

GlobalId | : | IfcGloballyUniqueId;
OwnerHistory | : | OPTIONAL IfcOwnerHistory;
Name | : | OPTIONAL IfcLabel;
Description | : | OPTIONAL IfcText;

| ENTITY IfcObjectDefinition

| INVERSE

HasAssignments | : | SET OF IfcRelAssigns FOR RelatedObjects;
Nests | : | SET [0:1] OF IfcRelNests FOR RelatedObjects;
IsNestedBy | : | SET OF IfcRelNests FOR RelatingObject;
HasContext | : | SET [0:1] OF IfcRelDeclares FOR RelatedDefinitions;
IsDecomposedBy | : | SET OF IfcRelAggregates FOR RelatingObject;
Decomposes | : | SET [0:1] OF IfcRelAggregates FOR RelatedObjects;
HasAssociations | : | SET OF IfcRelAssociates FOR RelatedObjects;

| ENTITY IfcTypeObject

ApplicableOccurrence | : | OPTIONAL IfcStrippedOptional;
HasPropertySets | : | OPTIONAL SET [1:?] OF IfcPropertySetDefinition;

| INVERSE

Types | : | SET [0:1] OF IfcRelDefinesByType FOR RelatingType;

| ENTITY IfcTypeProduct

RepresentationMaps | : | OPTIONAL LIST [1:?] OF UNIQUE IfcStrippedOptional;
Tag | : | OPTIONAL IfcStrippedOptional;

| INVERSE

ReferencedBy | : | SET OF IfcRelAssignsToProduct FOR RelatingProduct;

| ENTITY IfcElementType

ElementType | : | OPTIONAL IfcStrippedOptional;

| ENTITY IfcDistributionElementType

| ENTITY IfcDistributionFlowElementType

| ENTITY IfcFlowControllerType

| ENTITY IfcFlowMeterType

PredefinedType | : | IfcFlowMeterTypeEnum;

END_ENTITY;

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