Designation:E2374−16StandardGuideforAcousticEmissionSystemPerformanceVerification1ThisstandardisissuedunderthefixeddesignationE2374;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Systemperformanceverificationmethodslaunchstresswavesintotheexaminationarticleonwhichthesensorismounted.Theresultingstresswavetravelsintheexaminationarticleandisdetectedbythesensor(s)inamannersimilartoacousticemission.1.2ThisguidedescribesmethodswhichcanbeusedtoverifytheresponseofanAcousticEmissionsystemincludingsensors,couplant,sensormountingdevices,cablesandsystemelectroniccomponents.1.3Acousticemissionsystemperformancecharacteristics,whichmaybeevaluatedusingthisdocument,includesomewaveformparameters,andsourcelocationaccuracy.1.4Performanceverificationisusuallyconductedpriortobeginningtheexamination.1.5Performanceverificationcanbeconductedduringtheexaminationifthereisanysuspicionthatthesystemperfor-mancemayhavechanged.1.6Performanceverificationmaybeconductedaftertheexaminationhasbeencompleted.1.7ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.8Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2E750PracticeforCharacterizingAcousticEmissionInstru-mentationE976GuideforDeterminingtheReproducibilityofAcousticEmissionSensorResponseE1316TerminologyforNondestructiveExaminationsE1419PracticeforExaminationofSeamless,Gas-Filled,PressureVesselsUsingAcousticEmissionE1781PracticeforSecondaryCalibrationofAcousticEmis-sionSensors3.Terminology3.1DefinitionsofTermsSpecifictoThisStandard:3.1.1examinationarticl...