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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)eetwpehaH=gautomatic1.eve1.gaugeA1.GautomatictankgaugeATGyitrumentthatcontinuous1.ymeasures1.iquidheightdip(3.2)oru1.1.age(3.5)instoragetanksdipinnageejtica1.distancebetweenthedippingdatumpointandthe1.iquid1.eve1.innagebasedautomatic1.eve1.gaugeomatic1.eve1.gauge(3.1
10、)designedandinsta1.1.edtomeasurethe1.iquiddip(3.2)direct1.ysti1.1.-pipesti1.1.ing-we1.1.standpipeguideVertica1.poIeperforatedpipebui1.tintoatanktocontainthe1.iquid-1.eve1.-detectinge1.ementinordertoreducemeasurementerrorsarisingfrom1.iquidturbu1.ence,surfacef1.oworagitationofthe1.iquid,andg.revideas
11、tab1.emountingpointforanautomatic1.eve1.gaugeu1.1.ageoutagedistancebetweenthe1.iquid1.eve1.andtheupperreferencepoint,measureda1.ongthevertica1.ggasurementaxisu1.1.age*basedautomatic1.eve1.gaugeautomatic1.eve1.gauge(3.1)designedandinsta1.1.edtomeasurethedistancefromtheA1.Greferencepoint里,he1.iquidsur
12、faceintrusiveautomatic1.eve1.gaugeautomatic1.eve1.gauge(3.1)wherethe1.eve1.-sensingdeviceintrudeswithinthetankandmakesphysica1.比tactwiththe1.iquid,e.g.af1.oatandservo-operated-typeautomatictankgaugenon-intrusiveautomatic1.eve1.gaugeautomatic1.eve1.gauge(3.1)wherethe1.eve1.-sensingdevicecanintndewith
13、inthetank,butdoesnotmakephysica1.contactwiththe1.iquid,e.g.amicrowaveorradar-typeautomatictankgauge4Precautions4.1 Safetyprecautions4.1.1 Genera1.NOTEmatertaI-Compadb1.Iityprecautionsgovernmentregu1.ations,dassicationequipment.andISGOTTonsafety4.1.2 Equipmentprecautions4.1.2.1construction.4.1.2.24.1
14、.2.3OrganizationTheanddassicationinsta1.1.ationA1.Gshavesubjectgenera1.approva1.approva1.thefomationa1.designmesurementNOTEheat,Type-approva1.f1.uctuationsMIndUdefo1.1.owing：insu1.ationjnspecdon,e1.ectromagneticcompatibi1.ity,and4.1.2.44.2 Genera1.recommendations4.2.1 AccuracyandperformanceofmarineA
15、1.Gsandshou1.dbeobservedwheretheyareapp1.icab1.e.4.2.2 Speedofresponsefi1.1.ingoremptyingrates.ISO2023-A1.1.rightsreservedInaddition,themanufacturers*recommendationsontheuseandinsta1.1.ationoftheequipmentshou1.dbefo1.1.owed.andInternationa1.Standardsandeanapp1.ywhenmarine1.GsocietiesA1.1.marineA1.Gsshou1.dbecapab1.eofwithstandingthepressure,temperatureandotherenvironmenta1.conditions1.ike1.ytobeencounteredinmarineservice.WhenanA1.Gisinsta1.1.edinacorrosiveservice,anypartsexposedtothe1.iquidorvapourssho
