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ISO2017METHODSOFTESTFORFULLFLOWLUBRICATINGOILFILTERSFORINTERNALCOMBUSTIONENGINESPART12FILTRATIONEFFICIENCYUSINGPARTICLECOUNTINGANDCONTAMINANTRETENTIONCAPACITYMTHODESDESSAIDESFILTRESHUILEDELUBRIFICATIONPLEINDBITPOURLESMOTEURSCOMBUSTIONINTERNEPARTIE12EFFICACITDEFILTRATIONPARCOMPTAGEDESPARTICULESETCAPACITDERTENTIONDESCONTAMINANTSINTERNATIONALSTANDARDISO454812SECONDEDITION201705REFERENCENUMBERISO4548122017EISO4548122017EIIISO2017ALLRIGHTSRESERVEDCOPYRIGHTPROTECTEDDOCUMENTISO2017,PUBLISHEDINSWITZERLANDALLRIGHTSRESERVEDUNLESSOTHERWISESPECIFIED,NOPARTOFTHISPUBLICATIONMAYBEREPRODUCEDORUTILIZEDOTHERWISEINANYFORMORBYANYMEANS,ELECTRONICORMECHANICAL,INCLUDINGPHOTOCOPYING,ORPOSTINGONTHEINTERNETORANINTRANET,WITHOUTPRIORWRITTENPERMISSIONPERMISSIONCANBEREQUESTEDFROMEITHERISOATTHEADDRESSBELOWORISOSMEMBERBODYINTHECOUNTRYOFTHEREQUESTERISOCOPYRIGHTOFFICECHDEBLANDONNET8CP401CH1214VERNIER,GENEVA,SWITZERLANDTEL41227490111FAX41227490947COPYRIGHTISOORGWWWISOORGISO4548122017EFOREWORDIVINTRODUCTIONV1SCOPE12NORMATIVEREFERENCES13TERMSANDDEFINITIONS14SYMBOLS25TESTEQUIPMENTANDMATERIALS251TESTEQUIPMENT2511TESTRIG2512ONLINEDILUTIONANDPARTICLECOUNTINGSYSTEM4513TIMER552TESTMATERIALS5521TESTCONTAMINANT5522TESTFLUID56ACCURACYOFMEASURINGINSTRUMENTSANDTESTCONDITIONS57TESTRIGVALIDATION671VALIDATIONOFFILTERTESTCIRCUIT672VALIDATIONOFCONTAMINANTINJECTIONCIRCUIT673VALIDATIONOFONLINEDILUTIONANDPARTICLECOUNTINGSYSTEM78PRELIMINARYPREPARATION781TESTFILTERASSEMBLY782CONTAMINANTINJECTIONCIRCUIT783FILTERTESTCIRCUIT99TESTPROCEDURE991INITIALMEASUREMENT992PERFORMANCETEST1110CALCULATIONSANDREPORTOFTESTRESULTS12101CALCULATIONS121011GENERAL121012GRAVIMETRICLEVELS121013FILTRATIONEFFICIENCIES131014MICROMETERRATINGS131015INJECTEDMASSOFCONTAMINANT141016NONRETAINEDMASSOFCONTAMINANT141017RETAINEDFILTERCAPACITY14102TESTREPORT14ANNEXANORMATIVESPECIFICATIONOFTESTFLUIDFOROILFILTERTEST15ANNEXBINFORMATIVETYPICALFILTERTESTREPORT16ANNEXCNORMATIVEFILTEREFFICIENCYCALCULATIONS22ANNEXDINFORMATIVEROUNDROBINEXERCISE25BIBLIOGRAPHY32ISO2017ALLRIGHTSRESERVEDIIICONTENTSPAGEISO4548122017EFOREWORDISOTHEINTERNATIONALORGANIZATIONFORSTANDARDIZATIONISAWORLDWIDEFEDERATIONOFNATIONALSTANDARDSBODIESISOMEMBERBODIESTHEWORKOFPREPARINGINTERNATIONALSTANDARDSISNORMALLYCARRIEDOUTTHROUGHISOTECHNICALCOMMITTEESEACHMEMBERBODYINTERESTEDINASUBJECTFORWHICHATECHNICALCOMMITTEEHASBEENESTABLISHEDHASTHERIGHTTOBEREPRESENTEDONTHATCOMMITTEEINTERNATIONALORGANIZATIONS,GOVERNMENTALANDNONGOVERNMENTAL,INLIAISONWITHISO,ALSOTAKEPARTINTHEWORKISOCOLLABORATESCLOSELYWITHTHEINTERNATIONALELECTROTECHNICALCOMMISSIONIECONALLMATTERSOFELECTROTECHNICALSTANDARDIZATIONTHEPROCEDURESUSEDTODEVELOPTHISDOCUMENTANDTHOSEINTENDEDFORITSFURTHERMAINTENANCEAREDESCRIBEDINTHEISO/IECDIRECTIVES,PART1INPARTICULARTHEDIFFERENTAPPROVALCRITERIANEEDEDFORTHEDIFFERENTTYPESOFISODOCUMENTSSHOULDBENOTEDTHISDOCUMENTWASDRAFTEDINACCORDANCEWITHTHEEDITORIALRULESOFTHEISO/IECDIRECTIVES,PART2SEEWWWISOORG/DIRECTIVESATTENTIONISDRAWNTOTHEPOSSIBILITYTHATSOMEOFTHEELEMENTSOFTHISDOCUMENTMAYBETHESUBJECTOFPATENTRIGHTSISOSHALLNOTBEHELDRESPONSIBLEFORIDENTIFYINGANYORALLSUCHPATENTRIGHTSDETAILSOFANYPATENTRIGHTSIDENTIFIEDDURINGTHEDEVELOPMENTOFTHEDOCUMENTWILLBEINTHEINTRODUCTIONAND/ORONTHEISOLISTOFPATENTDECLARATIONSRECEIVEDSEEWWWISOORG/PATENTSANYTRADENAMEUSEDINTHISDOCUMENTISINFORMATIONGIVENFORTHECONVENIENCEOFUSERSANDDOESNOTCONSTITUTEANENDORSEMENTFORANEXPLANATIONONTHEMEANINGOFISOSPECIFICTERMSANDEXPRESSIONSRELATEDTOCONFORMITYASSESSMENT,ASWELLASINFORMATIONABOUTISOSADHERENCETOTHEWORLDTRADEORGANIZATIONWTOPRINCIPLESINTHETECHNICALBARRIERSTOTRADETBTSEETHEFOLLOWINGURLWWWISOORG/ISO/FOREWORDHTMLTHECOMMITTEERESPONSIBLEFORTHISDOCUMENTISISO/TC70,INTERNALCOMBUSTIONENGINES,SUBCOMMITTEESC7,TESTSFORLUBRICATINGOILFILTERSTHISSECONDEDITIONCANCELSANDREPLACESTHEFIRSTEDITIONISO4548122000,WHICHHASBEENTECHNICALLYREVISEDALISTOFALLPARTSINTHEISO4548SERIESCANBEFOUNDONTHEISOWEBSITEIVISO2017ALLRIGHTSRESERVEDISO4548122017EINTRODUCTIONISO4548ESTABLISHESSTANDARDTESTPROCEDURESFORMEASURINGTHEPERFORMANCEOFFULLFLOWLUBRICATINGOILFILTERSFORINTERNALCOMBUSTIONENGINESITHASBEENPREPAREDINSEPARATEPARTS,EACHPARTRELATINGTOAPARTICULARPERFORMANCECHARACTERISTICTOGETHER,THETESTSPROVIDETHEINFORMATIONNECESSARYTOASSESSTHECHARACTERISTICSOFAFILTER,BUTIFAGREEDBETWEENTHEPURCHASERANDTHEMANUFACTURER,THETESTSMAYBECONDUCTEDSEPARATELYISO2017ALLRIGHTSRESERVEDVMETHODSOFTESTFORFULLFLOWLUBRICATINGOILFILTERSFORINTERNALCOMBUSTIONENGINESPART12FILTRATIONEFFICIENCYUSINGPARTICLECOUNTINGANDCONTAMINANTRETENTIONCAPACITY1SCOPETHISDOCUMENTSPECIFIESAMULTIPASSFILTRATIONTESTWITHCONTINUOUSCONTAMINANTINJECTIONANDUSINGTHEONLINEPARTICLECOUNTINGMETHODFOREVALUATINGTHEPERFORMANCEOFFULLFLOWLUBRICATINGOILFILTERSFORINTERNALCOMBUSTIONENGINESTHESCOPEOFTHISDOCUMENTISLIMITEDTOSTEADYSTATECONDITIONSANDDOESNOTADDRESSFLUCTUATIONSINTHEFLOWRATETHETESTPROCEDUREDETERMINESTHECONTAMINANTCAPACITYOFAFILTER,ITSPARTICULATEREMOVALCHARACTERISTICSANDDIFFERENTIALPRESSURETHISTESTISINTENDEDFORAPPLICATIONTOFILTERELEMENTSWITHANEFFICIENCYOFLESSTHAN99ATPARTICLESIZEGREATERTHAN10MNOTESEVERALTESTFLOWLOOPSBUILTINTOONETESTRIG,ORSEVERALTESTRIGS,WOULDBENECESSARYTOCOVERTHECOMPLETEFLOWRANGEOF2L/MINTO600L/MIN2NORMATIVEREFERENCESTHEFOLLOWINGDOCUMENTSAREREFERREDTOINTHETEXTINSUCHAWAYTHATSOMEORALLOFTHEIRCONTENTCONSTITUTESREQUIREMENTSOFTHISDOCUMENTFORDATEDREFERENCES,ONLYTHEEDITIONCITEDAPPLIESFORUNDATEDREFERENCES,THELATESTEDITIONOFTHEREFERENCEDDOCUMENTINCLUDINGANYAMENDMENTSAPPLIESISO2942,HYDRAULICFLUIDPOWERFILTERELEMENTSVERIFICATIONOFFABRICATIONINTEGRITYANDDETERMINATIONOFTHEFIRSTBUBBLEPOINTISO3968,HYDRAULICFLUIDPOWERFILTERSEVALUATIONOFDIFFERENTIALPRESSUREVERSUSFLOWCHARACTERISTICSISO4021,HYDRAULICFLUIDPOWERPARTICULATECONTAMINATIONANALYSISEXTRACTIONOFFLUIDSAMPLESFROMLINESOFANOPERATINGSYSTEMISO4405,HYDRAULICFLUIDPOWERFLUIDCONTAMINATIONDETERMINATIONOFPARTICULATECONTAMINATIONBYTHEGRAVIMETRICMETHODISO11171,HYDRAULICFLUIDPOWERCALIBRATIONOFAUTOMATICPARTICLECOUNTERSFORLIQUIDSISO11943,HYDRAULICFLUIDPOWERONLINEAUTOMATICPARTICLECOUNTINGSYSTEMSFORLIQUIDSMETHODSOFCALIBRATIONANDVALIDATIONISO1210312016,ROADVEHICLESTESTCONTAMINTANTSFORFILTEREVALUATIONPART1ARIZONATESTDUST3TERMSANDDEFINITIONSFORTHEPURPOSESOFTHISDOCUMENT,THETERMSANDDEFINITIONSGIVENINISO118411ANDISO118412ANDTHEFOLLOWINGAPPLYINTERNATIONALSTANDARDISO4548122017EISO2017ALLRIGHTSRESERVED1ISO4548122017EISOANDIECMAINTAINTERMINOLOGICALDATABASESFORUSEINSTANDARDIZATIONATTHEFOLLOWINGADDRESSESIECELECTROPEDIAAVAILABLEATHTTP/WWWELECTROPEDIAORG/ISOONLINEBROWSINGPLATFORMAVAILABLEATHTTP/WWWISOORG/OBP31MULTIPASSTESTTESTWHICHREQUIRESTHERECIRCULATIONOFUNFILTEREDFLUIDTHROUGHTHEFILTERELEMENT32BASEUPSTREAMGRAVIMETRICLEVELUPSTREAMCONTAMINANTCONCENTRATIONIFNOCONTAMINANTISRECIRCULATED33FILTRATIONEFFICIENCYABILITYOFTHEFILTERTORETAINPARTICLESEXPRESSEDASTHEPERCENTAGEOFPARTICLESOFAGIVENSIZERETAINEDBYTHEFILTERUNDERTEST34OVERALLEFFICIENCYEFFICIENCYCALCULATEDFROMTHEAVERAGEUPSTREAMANDDOWNSTREAMPARTICLECOUNTS35XMICROMETERMRATINGPARTICLESIZECORRESPONDINGTOANOVERALLEFFICIENCYOFAGIVENPERCENTAGEXNOTE1TOENTRYTHEUNITGIVENINMSHOULDBEINACCORDANCEWITHDATAPRESENTATIONEXPRESSEDINISO111714SYMBOLSTHEGRAPHICALSYMBOLSUSEDINTHISDOCUMENTAREINACCORDANCEWITHISO121915TESTEQUIPMENTANDMATERIALS51TESTEQUIPMENT511TESTRIG5111GENERALITYTHETESTRIGISSHOWNDIAGRAMMATICALLYINFIGURE1ITSHALLCOMPRISEAFILTERTESTCIRCUITANDACONTAMINANTINJECTIONCIRCUIT,ASDESCRIBEDIN5112AND51135112FILTERTESTCIRCUITTHEFILTERTESTCIRCUITSHALLINCLUDETHEFOLLOWINGCOMPONENTSARESERVOIR1CONSTRUCTEDWITHACONICALBOTTOMHAVINGANINCLUDEDANGLEOFNOTMORETHAN90DEGREESANDWHERETHEOILENTERINGISDIFFUSEDBELOWTHEFLUIDSURFACEBOILPUMP2WHICHDOESNOTALTERTHECONTAMINANTPARTICLESIZEDISTRIBUTIONANDWHICHDOESNOTEXHIBITEXCESSIVEFLOWPULSESCDEVICE,SUCHASAFILTERHEADTOACCOMMODATESPINONFILTERS,TOCONNECTTHETESTFILTER6WHICHCANBEBYPASSEDORREPLACEDBYASTRAIGHTSECTIONOFTHEPIPEDSYSTEMCLEANUPFILTER9CAPABLEOFPROVIDINGANINITIALSYSTEMCONTAMINATIONLEVELOFLESSTHAN15PARTICLESGREATERTHAN10M/ML2ISO2017ALLRIGHTSRESERVEDISO4548122017EESAMPLINGVALVESINACCORDANCEWITHISO4021,FORTURBULENTSAMPLINGUPSTREAMANDDOWNSTREAMOFTHETESTFILTER,FORONLINEPARTICLECOUNTING18ANDFORGRAVIMETRICANALYSIS11FPRESSUREGAUGESINACCORDANCEWITHISO3968GPIPINGSIZEDTOENSURETHATTURBULENTMIXINGCONDITIONSEXISTTHROUGHOUTTHEFILTERTESTCIRCUIT5113CONTAMINANTINJECTIONCIRCUITTHECONTAMINANTINJECTIONCIRCUITSHALLINCLUDETHEFOLLOWINGCOMPONENTSARESERVOIR12CONSTRUCTEDWITHACONICALBOTTOMHAVINGANINCLUDEDANGLEOFNOTMORETHAN90DEGREESANDWHERETHEOILENTERINGISDIFFUSEDBELOWTHEFLUIDSURFACEBOILPUMP13,CENTRIFUGALOROFANOTHERTYPEWHICHDOESNOTALTERTHECONTAMINANTPARTICLESIZEDISTRIBUTIONCSYSTEMCLEANUPFILTER14CAPABLEOFPROVIDINGEITHEROFTHEFOLLOWINGCONDITIONS1ANINITIALSYSTEMCONTAMINATIONLEVELOFLESSTHAN1000PARTICLESPERMILLILITREHAVINGASIZEGREATERTHAN10M2AGRAVIMETRICLEVELLESSTHAN2OFTHECALCULATEDLEVELATWHICHTHETESTISBEINGCONDUCTED,MEASUREDINACCORDANCEWITHTHEGRAVIMETRICMETHODDESCRIBEDINISO4405DPIPINGSIZEDTOENSURETHATTURBULENTMIXINGCONDITIONSEXISTTHROUGHOUTTHECONTAMINANTINJECTIONCIRCUITISO2017ALLRIGHTSRESERVED3ISO4548122017EKEYACONTAMINANTINJECTIONCIRCUIT12RESERVOIRINCORPORATINGATHERMOSTATICALLYCONTROLLEDHEATERBFILTERTESTCIRCUIT13PUMPCDILUTIONANDCOUNTINGSYSTEM14CLEANUPFILTER1RESERVOIRINCORPORATINGATHERMOSTATICALLYCONTROLLEDHEATER15HEATEXCHANGER2PUMP16INJECTIONPUMP3THREEWAYVALVE17FLOWMETER4PRESSUREGAUGE18SAMPLINGVALVE5DIFFERENTIALPRESSUREGAUGE19DILUTIONSYSTEM6TESTFILTER20PARTICLESENSOR7THROTTLEVALVEFORPRESSUREREGULATION21PARTICLECOUNTER8FLOWMETER22VOLUMECONTROLVALVE9CLEANUPFILTER10HEATEXCHANGER11SAMPLINGVALVEFIGURE1DIAGRAMMATICARRANGEMENTOFTESTRIG512ONLINEDILUTIONANDPARTICLECOUNTINGSYSTEMTHEONLINEDILUTIONANDPARTICLECOUNTINGSYSTEMSHALLINCLUDETHEFOLLOWINGCOMPONENTSAONLINESAMPLEDELIVERYPIPEWORKSIZEDTOMAINTAINAFLUIDVELOCITYWHICHWILLPREVENTSILTINGBDILUTIONSYSTEM19COMPRISINGARESERVOIR,PUMP,CLEANUPFILTERS,FLOWMETERSANDFLOWREGULATIONVALVESCTWOOPTICALPARTICLESENSORS20CONNECTEDTOACOUNTER21HAVINGAMINIMUMOFFIVECHANNELS4ISO2017ALLRIGHTSRESERVEDISO4548122017E513TIMERATIMERCAPABLEOFMEASURINGMINUTESANDSECONDS52TESTMATERIALS521TESTCONTAMINANT5211CONTAMINANTGRADETHECONTAMINANTSHALLBEINACCORDANCEWITHTHESPECIFICATIONGIVENFORISO121031,A3MEDIUMGRADETESTDUST5212CONTAMINANTPREPARATIONTHETESTDUSTSHALLBEPREDRIEDINQUANTITIESNOTLARGERTHAN200GFORATLEAST1HAT105C5CANDCOOLEDTOROOMTEMPERATUREMAINTAININADESICCATORUNTILREQUIREDFORUSEFORQUANTITIESGREATERTHAN200G,DRYFORATLEAST30MINPERADDITIONAL100GFORUSEINTHETESTSYSTEM,MIXTHETESTDUSTINTOTHETESTFLUID,MECHANICALLYAGITATE,THENDISPERSEULTRASONICALLYWITHAPOWERDENSITYOF3000W/M2TO10000W/M2SEEISO16889522TESTFLUIDTHETESTFLUIDSHALLHAVEAPETROLEUMBASEANDCONFORMTOTHESPECIFICATIONSGIVENINANNEXA6ACCURACYOFMEASURINGINSTRUMENTSANDTESTCONDITIONSTHEMEASURINGINSTRUMENTSSHALLBECAPABLEOFMEASURINGTOTHELEVELSOFACCURACYGIVENINTABLE1THELASTCOLUMNINTABLE1GIVESTHELIMITSWITHINWHICHTHETESTCONDITIONSSHALLBEMAINTAINEDTABLE1INSTRUMENTACCURACYANDTESTCONDITIONVARIATIONTESTCONDITIONUNITSINSTRUMENTREADINGACCURACYALLOWEDTESTCONDITIONVARIATIONTESTFLOWRATEINJECTIONFLOWRATEL/MINML/MIN2255PRESSUREPA5TEMPERATUREC1C2CVOLUMEL510BASEUPSTREAMGRAVIMETRICLEVELMG/L10INITIALCONDUCTIVITYFINALCONDUCTIVITYPS/MPS/M10101500500VISCOSITYACOUNTINGFLOWRATEAPCINJECTIONCIRCUITVOLUMETESTCIRCUITVOLUMEMASSTIMEMM2/SML/MINLLGSEC51,5220,1MG1S/3/5/ATHEVISCOSITYOFTHETESTLIQUIDSHOULDBECHECKEDATREGULARINTERVALSTOENSURETHATTHETESTISCONDUCTEDATALIQUIDTEMPERATUREWHICHCORRESPONDSTOAVISCOSITYOF151MM2/SISO2017ALLRIGHTSRESERVED5ISO4548122017E7TESTRIGVALIDATIONNOTETHESEVALIDATIONPROCEDURESREVEALTHEEFFECTIVENESSOFTHETESTRIGINMAINTAININGCONTAMINANTENTRAINMENTAND/ORPREVENTINGCONTAMINANTSIZEMODIFICATION71VALIDATIONOFFILTERTESTCIRCUITNOTETHEFILTERTESTCIRCUITISVALIDATEDATTHEMINIMUMFLOWRATEATWHICHTHECIRCUITWILLBEOPERATED711INSTALLASTRAIGHTSECTIONOFPIPEINPLACEOFATESTFILTERDURINGTHEVALIDATIONPROCEDURE712FORFLOWSOFNOTMORETHAN60L/MIN,ADJUSTTHETOTALCIRCUITVOLUMETOBENUMERICALLYEQUALTOONEHALFOFTHEVALUEOFTHEMINIMUMFLOWVOLUMEPERMINUTETHROUGHTHEFILTER,WITHAMINIMUMOF6LFORFLOWSHIGHERTHAN60L/MIN,ADJUSTTHETOTALCIRCUITVOLUMETOBENUMERICALLYEQUALTOONEQUARTEROFTHEVALUEOFTHEMINIMUMFLOWVOLUMEPERMINUTETHROUGHTHEFILTER713CONTAMINATETHEFLUIDTOTHECALCULATEDGRAVIMETRICLEVELOF5MG/LUSINGISO121031,A3TESTDUSTNOTETHISCONTAMINATIONLEVELISBELOWTHECOINCIDENCELIMITOFAUTOMATICPARTICLECOUNTERS714CIRCULATETHEFLUIDINTHETESTSYSTEMFOR1HANDOBTAINDOWNSTREAMCUMULATIVECOUNTSAT10MAND20MWITHOUTONLINEDILUTIONATTHE10MINSAMPLEINTERVALS715CALCULATEANDRECORDTHEONLINECOUNTC0INPARTICLESPERMILLILITRE,USINGFORMULA1CNVOC1WHERENCISTHECUMULATIVECOUNTFORTHESELECTEDSAMPLEPERIOD,INNUMBEROFPARTICLESVISTHEVOLUMEOFFLUIDINMILLILITRESPASSEDTHROUGHTHEPARTICLECOUNTERSENSORDURINGTHESAMPLEPERIOD716ACCEPTTHEVALIDATIONTESTONLYIFEACHPARTICLECOUNTOBTAINEDAT10MAND20MDOESNOTDEVIATEBYMORETHAN10FROMTHEAVERAGEPARTICLECOUNTSFORTHESESIZESANDCOMPLIESWITHISO1194372VALIDATIONOFCONTAMINANTINJECTIONCIRCUIT721VALIDATETHECONTAMINANTINJECTIONCIRCUITATTHEMAXIMUMVOLUMEANDTHEMAXIMUMGRAVIMETRICLEVELTOBEUSED722ADDTHEREQUIREDQUANTITYOFCONTAMINANTINASLURRYFORMTOTHEINJECTIONCIRCUITFLUIDANDCIRCULATEFORSUFFICIENTTIMETOCOMPLETELYDISPERSETHECONTAMINANTNOTEITISPOSSIBLETHATNOTALLSYSTEMSBEABLETODISPERSECONTAMINANTATTHESAMERATEAPERIODOF10MINTO20MINCANBENECESSARYFORCOMPLETEDISPERSION723EXTRACTFLUIDSAMPLESATTHEPOINTWHERETHEINJECTIONFLUIDISDISCHARGEDINTOTHEFILTERTESTCIRCUITRESERVOIRAT30MININTERVALSOVER2HANDANALYSEEACHSAMPLEGRAVIMETRICALLYTHESESAMPLESSHOULDBETAKENATTHEINTENDEDTESTINJECTIONFLOWRATE724ACCEPTTHEVALIDATIONTESTONLYIFTHEGRAVIMETRICLEVELOFEACHSAMPLEISWITHIN5OFTHEAVERAGEOFTHEFOURSAMPLESANDIFTHISAVERAGEISWITHIN5OFTHEGRAVIMETRICVALUESELECTEDIN7216ISO2017ALLRIGHTSRESERVEDISO4548122017E73VALIDATIONOFONLINEDILUTIONANDPARTICLECOUNTINGSYSTEMPROCEEDASDESCRIBEDINISO11943TOVALIDATETHEONLINEDILUTIONSYSTEMANDPROCEEDINACCORDANCEWITHISO11171TOVALIDATETHEPARTICLECOUNTERNOTEAROUNDROBINEXERCISEHASBEENPERFORMEDANDDEMONSTRATEDTHATREDUCINGTHEMATCHINGTOLERANCESOFTHESENSORSIMPROVESTHEREPRODUCIBILITYOFTHEPROCEDURESEEANNEXD8PRELIMINARYPREPARATION81TESTFILTERASSEMBLY811ENSURETHATTHETESTFLUIDCANNOTBYPASSTHEFILTERELEMENTTOBEEVALUATEDUNLESSAGREEDBETWEENTHEPURCHASERANDMANUFACTURER,THEBYPASSVALVEOFTHEFILTERELEMENTSHALLBEKEPTOPERATIVEIFTHEBYPASSVALVEHASBEENMADEINOPERATIVE,THISSHALLBECLEARLYSTATEDINTHETESTREPORT812SUBJECTTHETESTFILTERELEMENTTOAFABRICATIONINTEGRITYTESTINACCORDANCEWITHISO2942USINGMILH5606FLUIDPRIORTOTHEMULTIPASSTESTORFOLLOWINGTHEMULTIPASSTESTIFTHEELEMENTISNOTREADILYACCESSIBLEASINTHESPINONCONFIGURATION813IFTHEINTEGRITYTESTHASBEENMADEPRIORTOTHEMULTIPASSTESTANDIFITFAILSTOMEETTHETESTPRESSUREAGREEDBETWEENTHEPURCHASERANDTHEMANUFACTURER,DISQUALIFYTHEELEMENTFROMFURTHERTESTING82CONTAMINANTINJECTIONCIRCUIT821USING10MG/LASTHEBASEUPSTREAMGRAVIMETRICLEVEL,CALCULATETHEPREDICTEDTESTTIMETEINMINUTESFROMFORMULA2TFGQFQECC102WHEREFCISTHEESTIMATEDCAPACITYOFTHEFILTERELEMENT,INMGGISTHEBASEUPSTREAMGRAVIMETRICLEVEL,INMG/LQISTHETESTFLOWRATE,INL/MINATESTDURATIONOFMORETHAN30MINISRECOMMENDEDNOTEIFTHEESTIMATEDCAPACITYOFTHEFILTERELEMENTFCISNOTSUPPLIEDBYTHEMANUFACTURER,THECAPACITYCANBEDETERMINEDBYTESTINGANELEMENT,IFNEEDEDTHEBASEUPSTREAMGRAVIMETRICLEVELGOF10MG/LSHOULDBEADHEREDTOUNLESSOTHERWISEAGREEDUPONBYTHEPURCHASERANDTHEMANUFACTURERBASEUPSTREAMGRAVIMETRICLEVELSUPTO25MG/LMAYBEUSEDTOSHORTENTESTTIMESBUTONLYTHERESULTSOFFILTERTESTSUSINGTHESAMEBASEUPSTREAMGRAVIMETRICLEVELCANBECOMPAREDISO2017ALLRIGHTSRESERVED7ISO4548122017E822CALCULATETHEMINIMUMVOLUMEOFFLUIDVMINLITRES,REQUIREDFORTHEOPERATIONOFTHEINJECTIONCIRCUIT,WHICHISCOMPATIBLEWITHTHEPREDICTEDTESTTIMEANDANINJECTIONFLOWRATEOF0,25/MIN,USINGFORMULA3VM1,2TEQIVO3WHERETEISTHEPREDICTEDTESTTIME,INMIN,OBTAINEDIN821QIISTHEINJECTIONFLOWRATE,INL/MINVOISTHEMINIMUMVOLUMEOFFLUIDINTHEINJECTIONCIRCUITNECESSARYTOAVOIDAIRENTRAINMENT,INLITRESTHECALCULATEDMINIMUMVOLUMESHOULDENSUREASUFFICIENTQUANTITYOFCONTAMINANTFLUIDTOLOADTHEELEMENT,PLUS20FORADEQUATECIRCULATIONTHROUGHOUTTHETESTANDTOAVOIDENTRAINMENTLARGERINJECTIONVOLUMESMAYBEUSEDITISSTRONGLYRECOMMENDEDTOUSEANINJECTIONFLOWRATEOF0,25L/MINHIGHERINJECTIONFLOWRATESMAYBEUSEDIFTHEYARELESSTHAN4OFTHETESTFLOWRATE,INORDERTOMINIMIZETHEEFFECTSOFEXTRACTIONONTHEFILTERCAPACITYLOWERINJECTIONRATESMAYBEUSEDIFTHESYSTEMISVALIDATEDINACCORDANCEWITHISO11943823CALCULATETHEGRAVIMETRICLEVELGIINMG/LOFTHEINJECTIONFLUID,USINGFORMULA4GGQQQQIII104WHEREGISTHEBASEUPSTREAMGRAVIMETRICLEVEL,INMG/L,ESTABLISHEDIN821QISTHETESTFLOWRATE,INL/MINQIISTHEINJECTIONFLOWRATE,INL/MIN824CALCULATETHEQUANTITYOFCONTAMINANTWING,NEEDEDFORTHECONTAMINANTINJECTIONCIRCUIT,USINGFORMULA5WGVII10005WHEREGIISTHEGRAVIMETRICLEVEL,INMG/L,OBTAINEDIN823VIISTHEVOLUMEOFFLUIDCONTAINEDINTHEINJECTIONCIRCUIT,INL825ADJUSTTHEINJECTIONFLOWRATEATSTABILIZEDTEMPERATURETOWITHIN5OFTHEVALUESELECTEDIN822ANDMAINTAINTHROUGHOUTTHETEST826CIRCULATETHEFLUIDINTHECONTAMINANTINJECTIONCIRCUITTHROUGHTHECLEANUPFILTER14UNTILEITHEROFTHEFOLLOWINGCONDITIONSISATTAINEDAACONTAMINATIONLEVELOFLESSTHAN1000PARTICLESPERMILLILITREHAVINGASIZEGREATERTHAN10MBAGRAVIMETRICLEVELOFLESSTHAN2OFTHEVALUEDETERMINEDIN8238ISO2017ALLRIGHTSRESERVEDISO4548122017E827BYPASSTHESYSTEMCLEANUPFILTER14AFTERTHEREQUIREDINITIALCONTAMINATIONHASBEENACHIEVED828ADJUSTTHETOTALVOLUMEOFTHECONTAMINANTINJECTIONSYSTEMTOTHEVALUEDETERMINEDIN822829ENSURETHATTHECONDUCTIVITYOFTHETESTFLUIDANDTHEINJECTIONFLUIDISATLEAST1000PS/MBYMEASURINGFLUIDCONDUCTIVITYPRIOREACHTESTALEVELOF1500PS/M500PS/MISRECOMMENDEDANINITIALLEVELOF100PPMOFANANTISTATICAGENTHASBEENSHOWNTOPRODUCECONDUCTIVITYWITHINTHISRANGE8210ADD,INSLURRYFORMTOTHECONTAMINANTINJECTIONCIRCUITRESERVOIR12,THEQUANTITYOFCONTAMINANTWDETERMINEDIN824,ANDCIRCULATEUNTILTHECONTAMINANTISCOMPLETELYDISPERSEDNOTECOMPLETEDISPERSALOFTHECONTAMINANTCANTAKEBETWEEN10MINAND20MIN83FILTERTESTCIRCUIT831INSTALLASTRAIGHTSECTIONOFPIPEINPLACEOFTHETESTFILTER832CIRCULATETHEFLUIDINTHEFILTERTESTCIRCUITTHROUGHTHECLEANUPFILTER9UNTILACONTAMINATIONLEVELOFLESSTHAN15PARTICLESPERMILLILITREHAVINGASIZEGREATERTHAN10MISATTAINEDRECORDTHISVALUEASTHEINITIALCLEANLINESSLEVELOFTHESYSTEMTHECONTAMINATIONLEVELSHOULDBECHECKEDWITHTHEONLINEPARTICLECOUNTINGSYSTEMWHICHWILL,ATTHESAMETIME,CLEANTHESAMPLINGLINES833ADJUSTTHEFLUIDVOLUMEOFTHEFILTERTESTCIRCUITTOT
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