Designation:E1324−16StandardGuideforMeasuringSomeElectronicCharacteristicsofUltrasonicTestingInstruments1ThisstandardisissuedunderthefixeddesignationE1324;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thisguidedescribesproceduresforelectronicallymea-suringthefollowingperformance-relatedcharacteristicsofsomesectionsofultrasonicinstruments:1.1.1PowerSupplySection:lineregulation,batterydischargetime,andbatterychargetime.1.1.2PulserSection:pulseshape,pulseamplitude,pulserisetime,pulselength,andpulsefrequencyspectrum.1.1.3ReceiverSection:verticallinearity,frequencyresponse,noiseandsensitivity,anddBcontrols.1.1.4TimeBaseSection:horizontallinearity,andclock(pulserepetitionrate).1.1.5Gate/AlarmSection:delayandwidth,resolution,alarmlevel,gainuniformity,analogoutput,andbackechogate.1.2ThisguidecomplementsPracticeE317,D2548andisnotintendedforevaluatingtheperformancecharacteristicsofultrasonictestinginstrumentsontheinspection/productionline.NOTE1—Noaccesstointernalcircuitryisrequired.1.3Units—Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D2548MethodofTestforAnalysisofOilSolublePetroleumSulfonatesbyLiquidChromatography;ReplacedbyD3712(Withdrawn1979)3E317PracticeforEvaluatingPerformanceCharacteristicsofUltrasonicPulse-EchoTestingInstrumentsandSystemswithouttheUseofElectronicMeasurementInstrumentsE1316TerminologyforNondestructiveExaminations2.2ISOSt...
