规范ISO7726

AReferencenumberISO7726:1998(E)INTERNATIONALSTANDARDISO7726Secondedition1998-11-01Ergonomicsofthethermalenvironment—InstrumentsformeasuringphysicalquantitiesErgonomiedesambiancesthermiques—AppareilsdemesuredesgrandeursphysiquesCOPYRIGHT©DanishStandards.NOTFORCOMMERCIALUSEORREPRODUCTIONLicensgivettil:YORKNovenco,Industrivej22,DK-4700NæstvedISO7726:1998(E)©ISO1998Allrightsreserved.Unlessotherwisespecified,nopartofthispublicationmaybereproducedorutilizedinanyformorbyanymeans,electronicormechanical,includingphotocopyingandmicrofilm,withoutpermissioninwritingfromthepublisher.InternationalOrganizationforStandardizationCasepostale56•CH-1211Genève20•[e-mail]1Scope...............................................................................................12Normativereference........................................................................13General............................................................................................14Measuringinstruments....................................................................25Specificationsrelatingtomeasuringmethods.................................5AnnexAMeasurementofairtemperature...........................................12AnnexBMeasurementofthemeanradianttemperature....................14AnnexCMeasurementofplaneradianttemperature..........................28AnnexDMeasurementoftheabsolutehumidityoftheair..................35AnnexEMeasurementofairvelocity...................................................45AnnexFMeasurementofsurfacetemperature...................................48AnnexGMeasurementofoperativetemperature................................49AnnexHBibliography...........................................................................51Licensgivettil:YORKNovenco,Industrivej22,DK-4700NæstvedISO7726:1998(E)ForewordISO(theInternationalOrganizationforStandardization)isaworldwidefederationofnationalstandardsbodies(ISOmemberbodies).TheworkofpreparingInternationalStandardsisnormallycarriedoutthroughISOtechnicalcommittees.Eachmemberbodyinterestedinasubjectforwhichatechnicalcommitteehasbeenestablishedhastherighttoberepresentedonthatcommittee.Internationalorganizations,governmentalandnon-governmental,inliaisonwithISO,alsotakepartinthework.ISOcollaboratescloselywiththeInternationalElectrotechnicalCommission(IEC)onallmattersofelectrotechnicalstandardization.DraftInternationalStandardsadoptedbythetechnicalcommitteesarecirculatedtothememberbodiesforvoting.PublicationasanInternationalStandardrequiresapprovalbyatleast75%ofthememberbodiescastingavote.InternationalStandardISO7726waspreparedbyTechnicalCommitteeISO/TC159,Ergonomics,SubcommitteeSC5,Ergonomicsofthephysicalenvironment.Thissecondeditioncancelsandreplacesthefirstedition(ISO7726:1985),ofwhichitconstitutesatechnicalrevision.AnnexesAtoHofthisInternationalStandardareforinformationonly.COPYRIGHT©DanishStandards.NOTFORCOMMERCIALUSEORREPRODUCTIONLicensgivettil:YORKNovenco,Industrivej22,DK-4700NæstvedISO7726:1998(E)IntroductionThisdocumentisoneofaseriesofInternationalStandardsintendedforuseinthestudyofthermalenvironments.ThisseriesofInternationalStandardsdealsinparticularwith—thefinalizationofdefinitionsforthetermstobeusedinthemethodsofmeasurement,testingorinterpretation,takingintoaccountstandardsalreadyinexistenceorintheprocessofbeingdrafted;—thelayingdownofspecificationsrelatingtothemethodsformeasuringthephysicalquantitieswhichcharacterizethermalenvironments;—theselectionofoneormoremethodsforinterpretingtheparameters;—thespecificationofrecommendedvaluesorlimitsofexposureforthethermalenvironmentscomingwithinthecomfortrangeandforextremeenvironments(bothhotandcold);—thespecificationofmethodsformeasuringtheefficiencyofdevicesorprocessesforpersonalorcollectiveprotectionfromheatorcold.AnymeasuringinstrumentwhichachievestheaccuracyindicatedinthisInternationalStandard,orevenbetterimproveson,maybeused.Thedescriptionorlistingofcertaininstrumentsintheannexescanonlysignifythattheyarerecommended,sincecharacteristicsoftheseinstrumentsmayvaryaccordingtothemeasuringprinciple,theirconstructionandthewayinwhichtheyareused.ItisuptouserstocomparethequalityoftheinstrumentsavailableonthemarketatanygivenmomentandtocheckthattheyconformtothespecificationscontainedinthisInternationalStandard.Licensgivettil:YORKNovenco,Industrivej22,DK-4700NæstvedINTERNATIONALSTANDARD©ISOISO7726:1998(E)1Ergonomicsofthethermalenvironment—Instrumentsformeasuringphysicalquantities1ScopeThisInternationalStandardspecifiestheminimumcharacteristicsofinstrumentsformeasuringphysicalquantitiescharacterizinganenvironmentaswellasthemethodsformeasuringthephysicalquantitiesofthisenvironment.Itdoesnotaimtodefineanoverallindexofcomfortorthermalstressbutsimplytostandardizetheprocessofrecordinginformationleadingtothedeterminationofsuchindices.OtherInternationalStandardsgivedetailsofthemethodsmakinguseoftheinformationobtainedinaccordancewiththisstandard.ThisInternationalStandardisusedasareferencewhenestablishinga)specificationsformanufacturers