Designation:E2758−15aStandardGuideforSelectionandUseofWideband,LowTemperatureInfraredThermometers1ThisstandardisissuedunderthefixeddesignationE2758;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisguidecoverselectronicinstrumentsintendedformeasurementoftemperaturebydetectingintensityofthermalradiationexchangedbetweenthesubjectofmeasurementandthesensor.1.2ThedevicescoveredbythisguidearereferredtoasIRthermometers.1.3TheIRthermometerscoveredinthisguideareinstru-mentsthatareintendedtomeasuretemperaturesbelow1000°Candmeasureawidebandofthermalradiationintheinfraredregion.1.4ThisguidecoversbestpracticeinusingIRthermom-eters.Itaddressesconcernsthatwillhelptheusermakebettermeasurements.Italsoprovidesgraphicaltablestohelpdeter-minetheaccuracyofmeasurements.1.5DetailsonthedesignandconstructionofIRthermom-etersarenotcoveredinthisguide.1.6Thisguidedoesnotcovermedium-andhigh-temperatureIRthermometry(above1000°C).ItdoesnotaddresstheuseofnarrowbandIRthermometers.1.7ThevaluesofquantitiesstatedinSIunitsaretoberegardedasthestandard.Thevaluesofquantitiesinparenthe-sesarenotinSIandareoptional.1.8Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2E1256TestMethodsforRadiationThermometers(SingleWavebandType)E1862PracticeforMeasuringandCompensatingforRe-flectedTemperatureUsingInfraredImagingRadiometersE1897PracticeforMeasuringandCompensatingforTrans-mittanceofanAttenuatingMediumUsingInfraredImag-ingRadiometersE1933PracticeforMeasuringandCompensatingforEmis-sivityUsingInfraredImagingRadiometers2.2IECStandards:3IEC62492-1TSIndustrialProcessContro...