Designation:D3259–95(Reapproved2001)e1StandardPracticeforInfraredDeterminationoftheTemperatureofAppliedCoatingsonWoodProductsDuringtheCuringCycle1ThisstandardisissuedunderthefixeddesignationD3259;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.e1NOTE—EditorialchangesmadeinSection3inFebruary2001.1.Scope1.1Thispracticeisintendedtoserveasaguideinmeasur-ingwithinfraredinstrumentsthetemperatureduringthecuringprocessofcoatingsappliedtowoodproducts.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.SignificanceandUse2.1Theforestproductsfinishingindustryhasencountereddifficultiesinmeasuringthetemperatureofpaintedsurfacespriorto,during,andafterthecuringprocess.Theuseofthermocouplesisnotentirelysatisfactorybecausethethermo-couplewirestendtoconductheatawaytoorapidlyfromtheareawherethetemperatureisbeingmeasured.Infraredradia-tionthermometersthataresimpletooperatecancircumventthisdifficulty.Aftercalibrationtheyareaimedatthesurface,switchedon,andthetemperaturereaddirectlyfromanindicatinggage.NOTE1—Temperature-sensitivecrayons,papers,andpelletsmaybesuccessfullyusedtomeasureonlythehighesttemperaturereachedbypaintedsurfacesduringthecuringcycle.2.2Thereareseveraldifferenttypesofinfraredradiationthermometers,includingthosebasedonleadsulfideorther-mistorsensorsandthosethataresimplethermalvoltaictransducers.Assuchtheyrespondtodifferentwavelengthsofinfraredradiationandhavedifferentareasofapplicability.Onlyinstrumentsthathavebeenevaluatedareincludedinthispractice.3.Apparatus3.1Themethod...
