1、INTERNATIONA1.STANDARDISO4266-2editionSecond2023“1PetrO加Umand1.iquidPetrO加UmproductsMeasurementof1.eve1.andtemperatureinstoragetanksbyautomaticmethods一purementof1.eve1.inmarinevesse1.sParo1.eCtproduitspatro1.1.ersIiquidesMesuragcduniveauetde1.atemperaturedans1.esreservoirsdestockagepardesmethodesaut
2、omatiques一Partie2:MesurageduniveaudansIescUernesdenavireReferencenumberISO426622023(E)ContentsForeword4.27.2Genera1.recommendations.4.2.3Protectiongauging4.2.8Compatibi1.ityInitia1.shipyardadjustmentVerificationtcchno1.ogy-spec11cconsiderations7.4.2AgreementVerificationa1.ternateverification8.3Te1.e
3、metryandreadoutequipment9Annex A (informative)Accuracy1.imitationsofmarine1.eve1.measurement10Annex B (informative)Accuracy*1.imitationsofmarinevo1.umeIneasurenient11Bib1.iography.12ISO(theInternationa1.OrganizationforStandardization)isawor1.dwidefederationofnationa1.standardsbodiesmemberbodies).The
4、Eachmemberinterestedinsubjectforwhichcarriedoutcommitteehasbeenestab1.ishedhastherighttoberepresentedonthatcommittee.Internationa1.organizations,governmenta1.andnongovernmenta1.,in1.iaisonwithISO,a1.sotakepartinthework.ISOco1.1.aboratesc1.ose1.ywiththeTheproceduresusedtodeve1.opthisdocumentandthosei
5、ntendedforitsfurthermaintenancearedifferentinthedocumentPart1.Innoted.ThiSthediffereddraftedincriteriaforeditoria1.ru1.esoftheISO/IECDirectives,Part2(seewww.iso.org/direc1.ives).ofdrawsISOtopositionthatthetheevidence,ofthisordocumentmayofanytheusepatentrightsinrespectthereof.Asofthedateofpub1.icatio
6、nofthisdocument,ISOhadnotreceivednoticeof（八）PatCnt(三)whichmayberequiredtoimp1.ementthisdocument.However,imp1.ementorsaredatabasethatthisatmaythe.ISOsha1.1.behe1.dmayforobtainedfromtheora1.suchpatentrights.AnytradeusedinthisForanexp1.anationofthevo1.untarynatureOfstandards,themeaningofISOspecificterm
7、sandtheWor1.dTradeconformityprincip1.estheTechnica1.aboutISOs(TBT),towww.iso.org/iso/foreword.htm1.and1.ubricantswasnatura1.syntheticsources,ISO/TC28SC2,andre1.atedproducts,andre1.atedproducts.ThisThemainchangesareasfo1.1.ows:一in4.2.7,ithasbeenc1.arifiedthatthetank1.eve1.shou1.dbemeasuredandrecorded
8、simu1.taneous1.ywiththetemperature；in7.4.4.1,ithasaddedadditiondocumentsinBib1.iography.Anyfeedbackoroftheseonbefoundatshou1.ddirectedusers.ISOandIECmaintaintermino1.ogydatabasesforuseinstandardizationatthefo1.1.owingaddresses:ISOOn1.inebrowsingp1.atform:avai1.ab1.eathttps:/www.iso.org/obp371IECE1.e
9、ctropedia:avai1.ab1.eat4Ups5ww4e)eetwpeid。曲a时也更鼎好3用他ftfap班珊4检shojj1.舐机制电相睡即嬲1.havecurvatureside(三),suchastheaftandtorwardwingtanks,theA1.Gshou1.dbe1.ocatednearerrotheinboardbu1.kheadtoavoidinterferencewiththecurvatureofthevesse1.stankbottom.Eff领ttft。佗31福胭&6自H洌则力眄ere碘fechn。出gf由gWg1Wft)caH8内9我1.GSreqU
10、iredtoaccommodatethemeasurementofsma1.1.vo1.umes(ROB/OBQ)(seeAP1.MPMS,Chapter17.4).6.3 1.ocationofmanua1.ca1.ibrationcheckpointTopermitaccuratecomparisonoftheproduct1.eve1.measuredbetweenmanua1.gaugingandautomatic6r6ogi砒ngfminemed3bksioncheckpointshou1.dbeprovidedc1.ose(i.e.within1m)tothe1.G.缺tf*1.i
11、ed姗日鸭艇WhbOTd崎则的内M3HdG电bedesignedandinsta1.1.edsothatitcanbeAftermountingA1.Gswhichuseintrusive1.eve1.-sensinge1.ementsandpriortoca1.ibration,the1.eve1.checkshou1.dbedones1.ow1.ytocheckedtoactua1.freeandovertheentiretheA1.G.Itispossib1.ethatthereareadditiona1.techno1.ogjr-spedficconsiderationswhichca
12、naffectA1.Gverification.Specific,additiona1.stepscanberequiredtoeffecttheA1.Gandtothepropertiesofthe1.iquidandvapourinthetank,theneedforcheckingfreemovementofthe1.eve1.sensor,andothers(refertotheA1.Gmanufacturers*documentationforfurtherinstruction).MarineA1.Gsthatmeasuretheu1.1.age1.eve1.fromthetopd
13、ownshou1.dbeverifiedbymanua1.u1.1.ageinnageMarineAfter1.eavingtheshipyardandbeforethemaidenvoyage,mostvesse1.sfi1.1.certaintankswithwatercheckthetheA1.Gsofthebevessespumps,va1.vesandtankDuringAftercomp1.etionofcargo1.oadingata1.oadport,andpriortodischargeatadischargeport,thenorma1.practiceistousedca
14、rgooftheToagainstthetankvesse1.Theandadverse1.eve1.sconditions,verificationshou1.dbeperfo11nedwithastab1.e1.iquid1.eve1.The1.iquid!eve!atwhichthe1.Gisverifiedshou1.dbewithintheintendedoperatingrangeoftheAIG.WheretheIfthereadingbyA1.Gandthereadingbymanua1.gaugingagreewithin611m,nofurtheractionshou1.d
15、Ifthereadingby1.Gandthereadingbymanua1.gaugingdifferbymorethan6mm,theA1.Greadingandthemanua1.themanua1.gaugebereadingsandA1.G(orfivetimesifthereForinthetank),thevesse1.shou1.dbeonanevenkee1.andupright.Insituationswherebothtrimand1.istexist,everyeffortshou1.dbemadetoe1.iminateat1.eastonecondition,pre
16、ferab1.y1.ist.7.4.4AdjustmentoftheA1.G7.4.4.1Ifthedifferencebetweentheaverage1.Greadingandtheaverageofthemanua1.gaugereadingsexceeds6mm,theA1.Gshou1.dbeinvestigatedanddifferencesrecordedoverat1.east31.eve1.s,ifdifferenceexistsovera1.1.1.eve1.s,itshou1.dbereadjustedorresettoagreewithmanua1.gauging.Th
17、eseadjustmentsandthereasonsforthemshou1.dberecordedinthevesse1.sequipmentmaintenance1.og.7.4.4.2Afteradjustment,thereadingbyA1.Gshou1.dbecomparedwiththereadingbymanua1.gaugingasdescribedin7.4.3.IfthedifferencebetweentheaverageA1.Greadingandtheaveragemanua1.gaugereadingis1.essthan6mm,nofurtheractions
18、hou1.dberequired.7.4.4.3maybeUsedXheTheA1.Gcorrectionadjustedtopostednearaveragereadoutgaugeusedreading,correctcorrectionreading.Thiscorrectionshou1.dberecordedinthevesse1.documents.7.5Verificationbya1.ternatemethodsInpractice,duetotheoperatingconstraints(e.g.c1.osedorrestrictedgaugingrequirement),a
19、1.ackOfrP附ymanua1.1.ocatedgau眄M1.ngaU*11p由赚S)Qbtamdad图TSeVeH惇KAMGtionSmeaSf眺即洲SHeKSeIa1.rmethod,onboardverificationcanbeperformedbycomparingthe1.eve1.measuredbytheA1.Gagainstpredetermined,stab1.ereference(三)atthetankorA1.Gsupportpipe.Themethodandprocedure,which赞2,嗓骼附感除regu1.arA1.GV!nfcat1.on11theA1.
20、Gmanufacturersrecommendation.1.曲曲岫出AH的VF刨业Hi的癖附fu11ta2三fMnonc8邸和由懵欢触IIanUa1.orby7.7Recordkeeping1.Gverificationrecordsshou1.dbedocumentedandtherecordshou1.dbereadyforinspectionbyinvo1.vedparties.Therecordsshou1.dbekeptforaminimumofoneyearortwentyvoyageswhicheveristhe1.onger.8Datacommunicationandrece
21、iving8.1 Genera1.Thisc1.ausegivesrecommendationsforthespecificationofthecommunicationbetween1.eve1.8.2 transmitter(三)receivcr(三),viceversa.Useofremotereadoutinfisca1.orcustodytransfer称4fMd?Aganthef做即的B痴eadcut%dfMp1.tfe?MtWh阳Q七创弗福由乌MIWnCeSgiventheC1.ause5.岫EUPthe词郴融蜩硼曲n闻舐曲晒肝三槐削呢也施懈Jts。枪洛物状册蚣Q蜘掰翩蒯ardv
22、o1.umes.8.3 Te1.emetryandreadoutequipmentnotConipromiseieceivingaccuracyandmeasurement,measured)bydifferencetransmitterat1.eve1.sdisp1.ayednotcompromisethereso1.utionofthemeasurementoutputsigna1.,provideadequatespeedtomeettheupdatetimerequiredforthereceivingunit,and3-A1.1.nghtsreservedTheA1.Gshou1.d
23、bedesignedandinsta1.1.edsuchthatdatatransmissionandreceiptshou1.d:bytheremotetheunitofthedisp1.ayeteWZUmme想i1.t必帝Mantaneouswavecrests,makingca1.ibrationofA1.Gsdifficu1.twhenwavesarepresentinthetanks.SomeA1.Gsprovideinterna1.fi1.teringa1.gorithmsaspartofthereadouttoaveragethe1.eve1.readingsoveratimei
24、nterva1.Thefi1.teringtimecanbefixedormadeadaptivetotheencounteredmotion.d) Changeofthetankdimensionsduetooi1.orwatertemperature.Thed酮ymfr4gIkStankCteft的Vit阚Ump三6f1AbH出6#网融网也dot1.RieftnThischangesthereferenceheightwhichaffectsthe1.eve1.accuracyofA1.Gswhicharemountedonthetopdeckstructure.e) Changeofth
25、etankdimensionsduetohogorsag.Hoggingorsaggingchangesthereferenceheightwhichaffectsthe1.eve1.accuracyofA1.Gswhicharemountedonthetopdeckstructure.她CaHIfty触KMQtetfmQUttmnWH胭网陶(kantimpactontheovera1.1.accuracyof1.eve1.measurementAnnexB(informative)Accuracy1.imitationsofmarinevo1.umemeasurementUdihiBemea
26、nhttjni11iHSJntan1.tiHnhtVn1.nn1.)Oardmarinevesse1.sisaffectedbythefo1.1.owing1.imitationsa) Tankcapacitytab1.eaccuracy.SomeWfiG制琳HVa1.1.yfi前YankSaccuratewithnear1.yemptyornear1.yfu1.1.tanks,butcontainsignificantb) C1.ingageC1.ingageisthi曲即触tth#啕催Usm国MWB出及3小冰小斗懵阴/相蚓16R曲铝dftied.c) Sedimentandwater(Sa
27、ndW),andfreewater.Ma甜闻54忸隰M济即Hbfr砒Ah2%ssme蝌1.H三entA8fW叫nd抨刑曲描ft三f檎由心accuratesamp1.ing,samp1.ehand1.ing,and1.aboratoryana1.ysis.Accuratefreewaterdeterminationisdifficu1.tparticu1.ar1.ythefreewaterinthes1.optank.d) Temperaturemeasurement.Temperaturedifferencescanexistbecausethetankbu1.kheadsareinconta
28、ctwiththeocean,makingitdifficu1.ttodetermineanaccurateaveragecargotemperature.e) Contentsofthevesses1.ines.Thevo1.umeoftransferredoi1.isaffectedbythevo1.umesof1.iquidinthevesse1.s1.inesandpumps.Accuratemeasurementrequiresthatthesevo1.umesbequantifiedorestimatedbeforeandafterthecargotransfer.OVesse1.
29、experiencefactor.DetrfWHfiondffferent.vesse1.experiencefactor(VEF)frommarineA1.Gsandfrommanua1.measurementThe1.imitations1.istedabovecanhavesignificantimpactontheovera1.1.accuracyofvo1.umesdeterminedbymarineautomatic1.eve1.measurement(andbymanua1.1.eve1.measurement).Bib1.iography(I)5SOge4&如&学(11Mj也毗WqUf1.fbod印曲*p渺。附emWeme，研KW岬。睹。秘ItfMfKm。Hggf&vperaturein2!tf8.Petro1.eumand1.iquidpetro1.eumproductsTemperaturemeasurementsManua1.3 !(7507(a1.1.parts),Petro1.eumand1.iquidpetro1.eumproductsCa1.ibrationofvertica1.cy1.indrica1.4 50M加笆做力卬沉网毋用索”硼物才EGff靛拥喇K喇喇展喊圆跳Oa姚砒解onboardmarinecarriersandf1.oating
