Designation:E1256−17StandardTestMethodsforRadiationThermometers(SingleWavebandType)1ThisstandardisissuedunderthefixeddesignationE1256;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thetestmethodsdescribedinthesetestmethodscanbeutilizedtoevaluatethefollowingsixbasicoperationalparam-etersofaradiationthermometer(singlewavebandtype):SectionCalibrationAccuracy8Repeatability9Field-of-View10ResponseTime11Warm-UpTime12Long-TermStability131.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.1.3Thetermsinglewavebandreferstoradiationthermom-etersthatoperateinasinglebandofspectralradiation.Thistermisusedtodifferentiatesinglewavebandradiationther-mometersfromthosetermedasratioradiationthermometers,twochannelradiationthermometers,twocolorradiationthermometers,multiwavelengthradiationthermometers,mul-tichannelradiationthermometers,ormulticolorradiationther-mometers.Thetermsinglewavebanddoesnotprecludewidebandradiationthermometerssuchasthoseoperatinginthe8–14µmband.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:E2758GuideforSelectionandUseofWideband,LowTemperatureInfraredThermometers2.2IECDocumentsIEC/TS62492-1ed1.0TSIndustrialProcessControlDevices—RadiationThermometers—Part1:TechnicalDataforRadiationThermometers3.Terminology3.1Definitions:3.1.1blackbody,n—theperfectoridealsourceofthermalradiantpowerh...
