<?xml version="1.0"?>
<PropertySetDef xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" ifdguid="91b57900d1e911e1800000215ad4efdf" templatetype="PSET_PERFORMANCEDRIVEN" xsi:noNamespaceSchemaLocation="http://buildingSMART-tech.org/xml/psd/PSD_IFC4.xsd">
  <IfcVersion version="IFC4" />
  <Name>Pset_HumidifierPHistory</Name>
  <Definition>Humidifier performance history attributes.
Sound attribute deleted in IFC2x2 Pset Addendum: Use IfcSoundProperties instead.</Definition>
  <Applicability />
  <ApplicableClasses>
    <ClassName>IfcHumidifier</ClassName>
  </ApplicableClasses>
  <ApplicableTypeValue>IfcHumidifier</ApplicableTypeValue>
  <PropertyDefs>
    <PropertyDef ifdguid="9843f080d1e911e1800000215ad4efdf">
      <Name>AtmosphericPressure</Name>
      <Definition>Ambient atmospheric pressure.</Definition>
      <PropertyType>
        <TypePropertyReferenceValue reftype="IfcTimeSeries" />
      </PropertyType>
      <NameAliases>
        <NameAlias lang="en">Atmospheric Pressure</NameAlias>
        <NameAlias lang="ja-JP">標準大気圧（外気圧）</NameAlias>
      </NameAliases>
      <DefinitionAliases>
        <DefinitionAlias lang="en" />
        <DefinitionAlias lang="ja-JP">標準大気圧(外気圧）</DefinitionAlias>
      </DefinitionAliases>
    </PropertyDef>
    <PropertyDef ifdguid="a7c33980d1e911e1800000215ad4efdf">
      <Name>SaturationEfficiency</Name>
      <Definition>Saturation efficiency: Ratio of leaving air absolute humidity to the maximum absolute humidity.</Definition>
      <PropertyType>
        <TypePropertyReferenceValue reftype="IfcTimeSeries" />
      </PropertyType>
      <NameAliases>
        <NameAlias lang="en">Saturation Efficiency</NameAlias>
        <NameAlias lang="ja-JP">飽和比率</NameAlias>
      </NameAliases>
      <DefinitionAliases>
        <DefinitionAlias lang="en" />
        <DefinitionAlias lang="ja-JP">飽和比率：最大絶対湿度に対する現在の絶対湿度の割合</DefinitionAlias>
      </DefinitionAliases>
    </PropertyDef>
  </PropertyDefs>
  <PsetDefinitionAliases>
    <PsetDefinitionAlias lang="en" />
  </PsetDefinitionAliases>
</PropertySetDef>