Designation:E2883−13StandardGuideforStandardGuidefortheEvaluation,andCalibration,ContinuousFrictionMeasurementEquipment(CFME)1ThisstandardisissuedunderthefixeddesignationE2883;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1ThisguidedescribestheevaluationandcalibrationoffrictionmeasurementsystemswhichareknownasContinuousFrictionMeasuringEquipment(CFMEs).Theevaluation,andcalibrationprocesses;usingthespecializedequipment,instruments,pavementsurfaces,trainedpersonnel,andap-provedfacilities;areperformedusingtheproceduresdescribedbelow.1.2Thisguideisofferedasaprocesstoidentifyandquantifythevariablesthataffectsystemperformance,tominimizetheeffectofthesevariables,andtoprovideameanstorelateCFMEstoreferenceskidmeasurementsystems.1.3Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.SomespecifichazardsstatementsaregiveninSection7onHazards.2.ReferencedDocuments2.1ASTMStandards:2C670PracticeforPreparingPrecisionandBiasStatementsforTestMethodsforConstructionMaterialsE556TestMethodforCalibratingaWheelForceorTorqueTransducerUsingaCalibrationPlatform(UserLevel)E670TestMethodforTestingSideForceFrictiononPavedSurfacesUsingtheMu-MeterE867TerminologyRelatingtoVehicle-PavementSystemsE1859TestMethodforFrictionCoefficientMeasurementsBetweenTireandPavementUsingaVariableSlipTech-niqueE1960PracticeforCalculatingInternationalFrictionIndexofaPavementSurfaceE2340TestMethodforMeasuringtheSkidResistanceofPavement...
