council direct april approxim law member state relat measur system liquid water eec council european commun regard treati establish european econom commun articl thereof regard propos commiss regard opinion european parliament regard opinion econom social committe member state construct method control measur system liquid subject mandatori provis differ member state hinder trade system approxim provis council direct eec juli approxim law member state relat common provis measur instrument method metrolog control amend direct eec laid eec pattern approv eec initi verif procedur measur instrument accord direct technic requir design function measur system liquid water laid council direct eec juli approxim law member state relat meter liquid water council direct eec octob approxim law member state relat ancillari equip meter liquid water laid technic design oper requir meter satisfi direct eec measur system includ meter liquid water subject separ direct adopt direct articl direct appli measur system liquid water incorpor volumetr meter liquid movement mobil wall measur chamber articl measur system bear eec sign mark annex hereto subject eec pattern approv provis annex requir undergo eec initi verif condit laid annex hereto condit laid annex eec pattern approv grant measur system compon assembl articl member state ground metrolog properti refus prohibit restrict place market measur system liquid oj oj oj oj oj oj water bear sign mark provid direct direct eec member state ground metrolog properti refus prohibit restrict place market measur system compon assembl bear eec pattern approv sign articl member state bring forc law regul administr provis compli direct month notif forthwith inform commiss thereof member state commun commiss text provis nation law adopt field cover direct articl direct address member state luxembourg april council presid owen annex gener requir measur system definit measur system measur system liquid water compris addit meter conform direct eec ancillari equip conform direct eec equip ensur correct measur intend facilit oper equip affect measur meter intend separ measur oper oper conjunct common compon meter consid compris common compon measur system meter intend singl measur oper meter consid form singl measur system minimum deliveri minimum deliveri measur system determin conform requir direct eec eec regard provis direct measur system intend measur liquid receiv system smallest volum liquid measur author call minimum recept preced requir relat minimum deliveri appli analog minimum recept ga separ ga separ apparatu continu separ remov devic air gase contain liquid ga evacu devic principl automat oper requir waiv mechan automat stop flow liquid risk air ga enter meter case resumpt measur air ga remov automat manual ga extractor ga extractor apparatu design extract air gase accumul pipework upstream meter form pocket slightli mix liquid requir ga evacu devic ga separ appli ga extractor special ga extractor special ga extractor apparatu ga separ stringent oper condit continu separ air gase contain liquid automat stop flow liquid risk air gase accumul form pocket slightli mix liquid enter meter condens trai condens trai close tank design collect pressur liquefi ga measur system gase contain liquid measur condens measur ga indic ga indic devic allow easi detect air ga bubbl present liquid flow sight glass sight glass devic check part measur system complet full liquid scope gener requir section appli type measur system section meter flowrat limit meter incorpor measur system includ ancillari equip eec pattern approv measur liquid concern normal oper condit meter subject separ eec pattern approv approv includ eec pattern approv measur system incorpor flowrat limit maximum minimum flowrat measur system differ meter fit case check maximum minimum flowrat measur system compat meter meter approv compon incorpor measur system instanc compli requir direct eec number meter mount parallel singl measur system sum maximum minimum flowrat meter except specif instanc laid annex account determin flowrat limit measur system maximum flowrat measur system total minimum flowrat meter meter point transfer measur system incorpor point defin quantiti liquid deliv receiv call point transfer point transfer situat downstream meter deliveri system upstream meter receiv system measur system type quot empti hose quot system quot full hose quot system term quot hose quot includ rigid pipework empti hose system case deliveri equip measur system point transfer situat upstream deliveri hose point transfer take form weir type sight glass close devic combin case system ensur empti deliveri hose measur oper full hose measur system case deliveri equip measur system point transfer consist dose devic situat deliveri pipework pipework free end close devic situat close end case receiv equip requir appli analog recept pipework upstream meter filter measur system incorpor devic upstream meter intend collect solid impur liquid filter filter arrang easili access elimin air gase gener requir measur system instal produc upstream meter entri air releas ga liquid risk requir met measur system incorpor ga elimin equip permit proper elimin air undissolv gase contain liquid pass meter ga elimin equip suitabl suppli condit arrang addit error due influenc air gase measur result exce quantiti measur liquid potabl liquid viscos exceed mpa quantiti measur potabl liquid viscos exce mpa error minimum deliveri pump flow subject pressur pump intak momentarili fall atmospher pressur satur vapour pressur liquid ga separ provid ga separ intend oper maximum flowrat exceed subject separ eec pattern approv approv includ eec pattern approv measur system form part annex approv system ga separ design oper maximum flowrat exceed pattern approv grant analog approv pattern design smaller dimens ga separ receiv separ eec pattern approv measur system ga indic ga separ principl instal downstream pump combin pump posit close meter pressur drop due flow liquid compon neglig oper limit ga separ maximum flowrat flowrat liquid maximum minimum pressur limit compat proper function ga elimin devic ga separ intend oper maximum flowrat exceed cover separ eec pattern approv error limit laid ensur elimin air gase mix liquid measur test condit measur system oper maximum flowrat minimum pressur laid ga separ proport volum air gase rel liquid permiss ga separ design maximum flowrat lower equal limit ga separ design maximum flowrat higher air gase measur atmospher pressur determin percentag addit automat ga remov devic continu oper properli maximum pressur laid ga separ ga separ approv compon incorpor approv measur system requir appli case ga indic measur system incorpor ga indic conform definit ga separ error limit laid ensur elimin air gase mix liquid measur condit measur system oper maximum flowrat minimum pressur proport volum air gase rel liquid exce liquid potabl liquid viscos exceed mpa potabl liquid liquid viscos excess mpa proport volum air gase rel liquid exce percentag ga separ fail meet requir respect maximum permiss error ga air bubbl visibl ga indic pressur pump inlet constantli greater atmospher pressur satur vapour pressur liquid ga separ ga extractor special ga extractor gaseou format liabl occur pump meter flow period air pocket introduc pipework suppli tank complet empti manner produc specif error excess minimum deliveri ga extractor special ga extractor intend oper maximum flowrat exceed subject separ eec pattern approv approv includ eec pattern approv measur system form part present annex make provis approv system ga extractor intend oper maximum flowrat excess pattern approv grant analog approv pattern design smaller dimens ga extractor special ga extractor grant separ eec pattern approv measur system ga indic ga extractor special ga extractor principl instal downstream pump combin pump case instal highest point pipework close meter upstream instal level meter return devic fit pressur limit valv incorpor prevent pipe valv meter empti pipework upstream meter incorpor high point ga extractor requir limit oper ga extractor special ga extractor defin ga separ includ minimum deliveri devic provid experi show requir refer subparagraph gener met properli built separ effect volum equal volum deliv minut maximum flowrat plate measur system ga extractor special ga extractor maximum flowrat measur system ensur elimin ga air pocket measur atmospher pressur volum equal minimum deliveri addit error greater minimum deliveri special ga extractor capabl separ continu volum ga air equal volum liquid deliv maximum flowrat result addit error exceed limit fix requir prohibit exist manual automat extract devic fix instal larg dimens suppli liquid arrang condit ga air form penetr recept pipework upstream meter measur ga elimin devic requir provid gaseou format liabl occur flow period specif error excess minimum deliveri pump flow case meter suppli graviti pump pressur liquid part pipework upstream meter meter greater satur vapour pressur atmospher pressur ga elimin measur system put servic arrang requir ensur remain correctli fill pressur liquid atmospher pressur remain greater satur vapour pressur introduct air meter prevent mean devic meter suppli ga pressur entri ga meter prevent mean devic circumst pressur liquid meter point transfer higher satur vapour pressur liquid ga remov ga remov pipe ga elimin includ manual control valv closur valv prevent oper ga elimin close devic kind requir safeti reason ensur mainten open posit mean seal devic anti swirl devic intend gener rule suppli tank measur system complet empti outlet orific tank provid anti swirl devic system incorpor ga separ viscou liquid effect ga separ ga extractor decreas increas viscos liquid devic fit case liquid dynam viscos mpa ºc pump arrang inlet pressur greater atmospher pressur condit fulfil occas devic fit stop flow liquid automat inlet pressur fall atmospher pressur manomet monitor pressur condit measur system incorpor devic ensur air introduc joint section pipework subject reduc pressur measur system pipework full liquid point transfer ga indic measur system fit ga indic devic made mandatori case section ga indic design provid satisfactori indic presenc ga air liquid ga indic instal downstream meter empti hose measur system ga indic form weir type sight glass point transfer ga indic provid bleed screw blow devic form high point pipework pipe connect blow devic flow indic spinner incorpor ga indic provid devic prevent gaseou format present liquid visibl complet fill measur system meter pipework meter point transfer automat full liquid measur oper system condit fulfil case instal fix complet fill measur system point transfer effect manual monitor measur system ensur complet elimin air ga measur system blow devic small window posit pipework meter point transfer gener variat temperatur induc addit error minimum deliveri section technic condit fulfil special case order requir met pressur maintain devic instal downstream meter ensur pressur ga elimin meter greater atmospher pressur satur vapour pressur liquid measur system possibl liquid flow direct opposit normal flow pump stop provid return valv fit pressur limit devic empti hose measur system pipework downstream meter pipework upstream meter high point part measur system remain constantli fill drain deliveri hose refer assur air vent case air vent replac special devic auxiliari pump compress ga injector measur system design minimum deliveri devic oper automat full hose measur system free end hose incorpor devic ensur hose empti period system requir appli liquefi ga close devic downstream devic volum space small case maximum permiss error minimum deliveri measur system case system intend measur viscou liquid end nozzl design retain quantiti liquid exceed time maximum permiss error minimum deliveri measur system hose compris compon assembl mean special connector hose full connect system seal ensur compon virtual imposs separ special tool variat intern volum full hose case full hose measur system provid hose reel increas intern volum due chang coil posit subject pressur uncoil posit subject pressur flow liquid maximum permiss error minimum deliveri measur system provid hose reel intern volum increas exce maximum permiss error minimum deliveri branch measur system intend deliv liquid branch downstream meter permit arrang ensur liquid discharg singl outlet time measur system intend receiv liquid branch upstream meter permit arrang intak liquid effect singl pipe time departur requir approv case deliveri system specif instal suppli user time receiv system oper supplier time measur system oper empti hose full hose flexibl pipe return valv incorpor rigid pipework lead full hose immedi downstream selector valv addit selector valv posit permit connect discharg hose oper empti hose pipework lead full hose pass connect intend pass meter close mean blank flang oper requir make pass close mean close disc mean doubl close devic monitor valv ensur closur mean seal valv control mechan risk suppli condit lead meter overload flow limit devic provid devic downstream meter pressur loss seal posit oper compon multi valv easili visibl locat notch stop fix devic departur requir permiss adjac posit oper handl form angl retain valv closur mechan defin quantiti measur relief valv order dissip abnorm high pressur aris measur system layout measur system measur system instal manner indic devic visibl normal condit indic devic present ga indic ga separ observ posit seal devic easili access plate fix irremov statutori mark legibl indel site verif devic verif instal provid pipework provid return measur liquid storag tank instal equip temperatur pressur tap oper test measur system requir knowledg factor characterist measur system characterist measur system maximum minimum flowrat maximum oper pressur minimum oper pressur liquid liquid measur limit viscos kinemat dynam indic natur liquid suffici determin viscos minimum deliveri temperatur rang case liquid measur temperatur ºc ºc mark measur system compon assembl grant pattern approv carri legibl indel manner dial indic mechan special descript plate inform eec pattern approv sign identif mark manufactur manufactur design serial number year manufactur characterist measur system defin supplementari inform pattern approv certif meter oper singl system common compon mark requir part system combin singl plate mark dial indic mechan meter form part measur system contradict descript plate measur system measur system transport dismantl mark part combin singl plate seal seal prefer carri lead stamp seal appli pincer permit fragil instrument seal suffici protect danger accident breakag seal case easili access seal devic provid part measur system protect oper affect accuraci measur seal devic provid connect dismantl mean tool seal devic design enabl eec partial initi verif mark affix seal stamp plate refer annex ii direct eec support measur system combin descript plate measur system refer case measur system potabl liquid seal affix system dismantl purpos clean special requir type measur system liquid fuel measur system liquid fuel measur system measur system intend deliveri liquid fuel fuel tank road vehicl measur system refuel pleasur boat small aircraft liquid fuel treat liquid fuel measur system includ suppli arrang design instal central suppli system ratio maximum minimum flowrat system measur system suppli arrang ga separ instal immedi upstream meter inlet ga separ meet requir case blow devic refer permit measur system design instal central suppli system refuel distanc gener rule appli liquid fuel measur system fit devic reset volum indic accord annex direct eec volum total system incorpor price indic indic fit devic reset devic reset price indic volum indic incorpor reset indic automat reset addit provis ad liquid fuel measur system incorpor motor fuel blend meter motor fuel lubric blend meter electr electron indic ancillari devic servic devic measur system intend suppli liquefi ga case separ compli experi show requir gener met effect volum separ volum suppli minut maximum flowrat meter plate liquid fuel measur system suppli arrang oper electr motor devic fit motor stop prevent deliveri liquid indic reset circumst reset deliveri return devic refer mandatori instal ga elimin meter immedi downstream meter ga elimin instal level meter case combin devic provid return devic instal ga elimin meter result pressur loss low consid neglig hose full hose measur system incorpor manual closur mechan meet requir automat closur mechan incorpor full hose measur system suppli sole mean hand oper pump incorpor closur mechan refer measur system maximum flowrat litr minut minimum deliveri exceed litr meter fit ticket printer ticket print devic connect devic reset volum indic arrang enabl ticket check print comparison indic shown accord initi verif liquid fuel measur system carri stage depend suppli system gt pic file quot quot gt requir appli measur system fit road tanker transport tank measur system instal road tanker compart case compart fit closur valv manual automat accord nation rule measur system product categori product meter grant eec pattern approv pipework design mix product measur system easili prevent tank fit trailer semi trailer measur system affix tractor trailer semi trailer measur system fit road tanker empti hose full hose type empti hose full hose full hose dimens arrang oper altern chang measur oper meter fit ticket printer print ticket coupl reset volum indic measur system fit road tanker design oper sole pump sole graviti pump graviti ga pressur measur system suppli sole pump oper full hose empti hose system risk condit met meter preced ga elimin suitabl ga separ meet requir ga extractor special ga extractor meter outlet pressur measur system fall atmospher pressur remain higher satur vapour pressur liquid measur devic combin automat mechan slow stop flow order prevent air pass meter risk meter outlet pressur fall atmospher pressur case system oper full hose automat mechan slow stop flow requir special ga extractor automat stop devic fit sight glass accord compart road tanker fit anti swirl devic measur system ga separ conform requir measur system oper sole graviti meet requir equip design total content compart compart measur flowrat greater equal minimum flowrat measur system link ga phase tank devic prevent ga enter meter compart tank fit anti swirl devic requir appli acceler pump downstream point transfer forego condit satisfi pump drop pressur meter measur system special ga extractor automat stop devic perman vent commun atmospher immedi downstream point transfer ga indic requir measur system manual air vent immedi downstream point transfer ga indic mandatori system pressur fall atmospher pressur measur system oper pump graviti satisfi requir measur system fed mean ga pressur oper empti hose full hose system pipework link devic prevent ga enter meter meter incorpor constrict compon pressur loss gener gaseou format releas ga dissolv liquid system incorpor manomet pressur insid tank zone permiss pressur shown dial manomet case separ compli experi show requir gener met effect volum separ volum suppli minut maximum flowrat measur system recept measur system unload marin rail road tanker measur system design measur volum liquid unload marin rail road tanker incorpor intermedi tank level liquid determin point transfer intermedi tank design deal ga elimin case road rail tanker intermedi tank automat maintain constant level visibl detect start complet measur oper permiss variat constant level correspond volum maximum permiss error minimum recept case marin tanker provis automat mainten constant level provis made variat content measur marin tanker empti pump locat bottom tanker intermedi tank begin end recept case refer cross section intermedi tank quantiti equal maximum permiss error minimum recept correspond differ level mm measur system stationari fit road tanker measur pressur liquefi ga exclud cryogen liquid perman link rigid pipework measur system feed tank return valv fit feed tank meter pressur mainten devic locat downstream meter ensur product liquid state insid meter measur process requir pressur maintain fix adjust suit measur condit pressur maintain fix equal vapour pressur product temperatur ºc higher highest servic temperatur seal set pressur mainten devic pressur adjust suit measur condit exce vapour pressur liquid kpa bar measur function automat case stationari measur system industri compet metrolog servic author manual adjust pressur mainten devic case pressur meter outlet vapour pressur product temperatur ºc temperatur liquid measur diagram affix measur system show vapour pressur product measur function temperatur anticip measur system oper unsupervis long period temperatur pressur regist continu record equip ga elimin devic provid upstream meter consist ga separ condens trai ga separ satisfi gener requir laid section liquefi ga liquid greater viscos difficulti verif permiss ga separ approv effect volum volum deliv minut maximum flowrat case pipe connect meter storag tank long exce length effect volum ga separ volum deliv minut maximum flowrat fit ga indic sight glass liquefi ga measur system ga evacu pipe connect space ga phase feed tank contain pressur mainten devic set pressur kpa bar pressur meter outlet pipe incorpor shut valv close valv measur process gt pic file quot quot gt condens trai fit manual oper blow devic measur system condens trai locat highest point pipework volum calcul forego method spread condens trai locat highest point pipework thermowel provid vicin meter thermomet scale interv exceed ºc verifi manomet fit meter pressur mainten valv measur system incorpor road tanker manomet socket adequ measur process carri system fit road tanker connect ga phase suppli tank recept tank safeti valv incorpor measur system purpos prevent abnorm high pressur valv locat downstream meter open atmospher connect recept tank circumst safeti valv locat upstream meter connect pipe pass meter valv locat downstream oper condit necessit detach hose hose remain full volum greater maximum permiss error minimum deliveri detach full hose equip special quot coupler quot connect full hose manual blow devic provid end hose monitor valv doubl close devic pipework pass meter capabl shut safeti reason case manomet fit shut valv equival system monitor leakag measur system milk requir appli portabl measur system monitor recept milk collect tanker fix measur system recept portabl fix measur system deliveri milk recept equip point transfer consist constant level tank locat upstream meter constant level visibl measur oper automat establish meter suppli pump constant level tank instal pump pump meter case tank suppli graviti empti chum aid auxiliari pump vacuum system milk deliv tank aid pump vacuum system ga elimin elimin combin constant level tank case constant level tank act ga elimin notwithstand requir meter function aid vacuum system case pressur insid pipework constant level tank meter lower atmospher pressur pipework connect perfectli leak tight check tight case recept pipework upstream constant level complet empti automat mechan usual oper condit constant level monitor mean sight glass level indic level regard constant settl zone ly line differ volum maximum permiss error minimum deliveri distanc line mm meet requir deceler mechan incorpor measur system flowrat deceler period descend minimum flowrat meter recept equip liquid measur convei level lower meter automat mechan ensur pressur higher atmospher pressur meter outlet measur system deliveri milk meet requir section notwithstand gener requir section elimin air ga ga elimin equip meet requir oper condit air enter begin end measur oper recept equip user ascertain leak tight connect air enter upstream meter measur deliveri equip system assembl liquid pressur connect pipe run suppli tank posit eec pattern approv eec initi verif eec pattern approv system subject eec pattern approv liquid fuel measur system refer system design instal central suppli system pattern approv certif accompani specimen draw show condit assembl place gt pic file quot quot gt pressur liquefi ga measur system fit road tanker refer measur system recept milk refer test execut test work standard determin measur inaccuraci calibr method exce maximum permiss error measur system examin meter test determin curv error function flowrat suffici larg number measur point minimum maximum flowrat verifi width rang error meter zone posit error curv relat line lesser import carri test permit flowrat limit test carri oper limit maximum minimum temperatur viscos minimum deliveri case test minimum deliveri test volum select larg ensur scale indic greater maximum permiss error eec pattern approv grant respect meter ancillari equip verifi characterist meter measur system suffici compat meter submit test minimum deliveri measur system determin accord chapter annex direct eec characterist meter compat measur system eec pattern approv grant respect meter ancillari equip entir measur system test accord direct direct eec eec test air ga elimin test show air ga elimin equip meet requir ga separ special ga extractor fit continu elimin check comparison measur result suitabl volumetr meter insert downstream separ special extractor addit air ga special extractor fit test complet empti tank test carri favour liquid test mock up model scale actual equip account law similar viscos reynold graviti froud surfac tension weber gener rule test model carri justifi test special measur system liquid fuel measur system test compris check meter check ancillari equip determin influenc equip price indic printer preset devic check ga elimin check constanc volum hose special check verifi regular advanc price indic irregular advanc induc compon price indic sudden close deliveri valv liquefi ga measur system examin compris verif draw effici rang design ga separ oper test ga elimin level regul incorpor ga separ pressur mainten devic verifi draw model test possibl requir special case inspect author eec initi verif gener eec initi verif measur system carri stage carri stage system manufactur singl manufactur transport dismantl verifi condit intend oper carri stage case stage concern meter meter fit ancillari equip incorpor assembl stage test carri test bench possibl manufactur factori instal measur system stage metrolog examin carri liquid system intend stage concern measur system actual oper condit carri place instal oper condit liquid system intend stage carri place select metrolog servic concern measur system transport dismantl test carri condit measur system intend oper test eec initi verif carri stage test refer perform test carri stage stage consist examin conform meter includ ancillari equip conform respect pattern metrolog examin meter includ built ancillari equip stage consist examin conform measur system includ meter ancillari equip metrolog examin meter ancillari equip measur system oper test ga elimin fit check maximum permiss error devic provid exceed inspect adjust requir pressur mainten devic verif variat intern volum hose full hose system determin residu quantiti empti hose system