<?xml version="1.0" encoding="utf-8"?>
<PropertySetDef xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" ifdguid="8a8d6b80d1e711e1800000215ad4efdf" templatetype="PSET_PERFORMANCEDRIVEN" xsi:noNamespaceSchemaLocation="http://buildingSMART-tech.org/xml/psd/PSD_IFC4.xsd" xmlns="http://buildingSMART-tech.org/xml/psd/PSD_IFC4.xsd">
  <IfcVersion version="IFC4X4" />
  <Name>Pset_FlowInstrumentPHistory</Name>
  <Definition>Properties for history of flow instrument values. HISTORY: Added in IFC4.</Definition>
  <Applicability />
  <ApplicableClasses>
    <ClassName>IfcFlowInstrument</ClassName>
  </ApplicableClasses>
  <ApplicableTypeValue>IfcFlowInstrument</ApplicableTypeValue>
  <PropertyDefs>
    <PropertyDef ifdguid="90834c80d1e711e1800000215ad4efdf">
      <Name>Value</Name>
      <Definition>The expected range and default value.

Indicates measured values over time which may be recorded continuously or only when changed beyond a particular deadband.</Definition>
      <PropertyType>
        <TypePropertyReferenceValue reftype="IfcTimeSeries" />
      </PropertyType>
      <NameAliases>
        <NameAlias lang="en">Value</NameAlias>
      </NameAliases>
      <DefinitionAliases>
        <DefinitionAlias lang="en" />
      </DefinitionAliases>
    </PropertyDef>
    <PropertyDef ifdguid="94af6a00d1e711e1800000215ad4efdf">
      <Name>Quality</Name>
      <Definition>Indicates the quality of measurement or failure condition, which may be further qualified by the Status. True: measured values are considered reliable; False: measured values are considered not reliable (i.e. a fault has been detected); Unknown: reliability of values is uncertain.</Definition>
      <PropertyType>
        <TypePropertyReferenceValue reftype="IfcTimeSeries" />
      </PropertyType>
      <NameAliases>
        <NameAlias lang="en">Quality</NameAlias>
      </NameAliases>
      <DefinitionAliases>
        <DefinitionAlias lang="en" />
      </DefinitionAliases>
    </PropertyDef>
    <PropertyDef ifdguid="97aa5a80d1e711e1800000215ad4efdf">
      <Name>Status</Name>
      <Definition>Status of the element, predominately used in renovation or retrofitting projects. The status can be assigned to as "New" - element designed as new addition, "Existing" - element exists and remains, "Demolish" - element existed but is to be demolished,  "Temporary" - element will exists only temporary (like a temporary support structure).

Indicates an error code or identifier, whose meaning is specific to the particular automation system.  Example values include: 'ConfigurationError', 'NotConnected', 'DeviceFailure', 'SensorFailure', 'LastKnown, 'CommunicationsFailure', 'OutOfService'.</Definition>
      <PropertyType>
        <TypePropertyReferenceValue reftype="IfcTimeSeries" />
      </PropertyType>
      <NameAliases>
        <NameAlias lang="en">Status</NameAlias>
      </NameAliases>
      <DefinitionAliases>
        <DefinitionAlias lang="en" />
      </DefinitionAliases>
    </PropertyDef>
  </PropertyDefs>
  <PsetDefinitionAliases>
    <PsetDefinitionAlias lang="en" />
  </PsetDefinitionAliases>
</PropertySetDef>