Designation:D6332−12(Reapproved2021)StandardGuideforTestingSystemsforMeasuringDynamicResponsesofCarbonMonoxideDetectorstoGasesandVapors1ThisstandardisissuedunderthefixeddesignationD6332;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisguidedescribestestingsystemsusedformeasuringresponsesofcarbonmonoxide(CO)alarmsordetectorssubjectedtogases,vapors,andtheirmixtures.1.2ThesystemsareusedtoevaluateresponsesofCOdetectorstovariousCOconcentrations,toverifythatthedetectorsalarmatcertainspecifiedCOconcentrations,andtoverifythatCOdetectorsdonotalarmatcertainotherspecifiedCOconcentrations.1.3ThesystemsareusedforevaluatingCOdetectorre-sponsestogasesandvaporsthatmayinterferewiththeabilityofdetectorstorespondtoCO.1.4Majorcomponentsofsuchatestingsystemincludeachamber,cleanairsupplymodule,humidificationmodule,gasandvapordeliverymodule,andverificationandcontrolinstru-mentation.1.5Foreachcomponent,thisguideprovidesacomparisonofdifferentapproachesanddiscussestheiradvantagesanddisadvantages.1.6Theguidealsopresentsrecommendationsforamini-mumconfigurationofatestingsystem.1.7Units—ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.8Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.Formorespecificsafetyprecautionaryinformation,see6.2.1.9Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.R...