Designation:E1143−05(Reapproved2015)StandardTestMethodforDeterminingtheLinearityofaPhotovoltaicDeviceParameterwithRespectToaTestParameter1ThisstandardisissuedunderthefixeddesignationE1143;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethoddeterminesthedegreeoflinearityofaphotovoltaicdeviceparameterwithrespecttoatestparameter,forexample,short-circuitcurrentwithrespecttoirradiance.1.2Thelinearitydeterminedbythistestmethodappliesonlyatthetimeoftesting,andimpliesnopastorfutureperformancelevel.1.3Thistestmethodappliesonlytonon-concentratorter-restrialphotovoltaicdevices.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2E772TerminologyofSolarEnergyConversionE948TestMethodforElectricalPerformanceofPhotovol-taicCellsUsingReferenceCellsUnderSimulatedSun-lightE1036TestMethodsforElectricalPerformanceofNoncon-centratorTerrestrialPhotovoltaicModulesandArraysUsingReferenceCellsE1328TerminologyRelatingtoPhotovoltaicSolarEnergyConversion(Withdrawn2012)33.Terminology3.1Definitions—Fordefinitionsoftermsusedinthistestmethod,seeTerminologiesE772andE1328.3.2DefinitionsofTermsSpecifictoThisStandard:3.2.1photovoltaicdeviceparameter—acharacteristicofaphotovoltaicdevice,suchasshort-circuitcurrentoropen-circuitvoltage.3.2.2testparameter—acharacteristicofthetestconditionstowhichthephotovoltaicdeviceisexposed,suchasirradianceortemperature.3.3Symbols:MeaningSymbolTestparameterXDeviceparameterYNumberofdatapairstakennSlopeofthelinearfu...
