Tokyo Keiso FT-1000 Quick start guide

TG-L111-2E JUN. 2005
SIMPLE, RELIABLE, COST EFFECTIVE
FT-1000/FP-1000
FLOAT TYPE TANK GAUGES
GENERAL
FT-1000/FP-1000isamechanicalfloattypetankgauge.
Twoversionsarealreadyavailableforselection:
FT-1000isastandardtypefloat-tapetankgaugeandthefloatis
normallyguidedbyguidewires.
Ithaswideapplications.
Whereas,FP-1000isapipesealedfloattypetankgaugetheand
indicatorpartistotallyisolatedfromthetank'sinteriorbymagnet
coupling.Thus,FP-1000issuitableforpressurizedtanksand/or
corrosiveliquidtanks.
BothforFT-1000andFP-1000,1mmunitlocalindicationispro-
vided.Also,alarmcontact(s),pneumaticoutput,electricoutputas
wellasdigitalBCDcodetransmitterscanbeequippedforremote
datatransmission.
Comparedtootherprinciples,theseFloattypetankgaugesare
relativelylow-costandreliable,havesimpleconstruction,andare
easytomaintain.
FEATURES
●SIMPLECONSTRUCTION
Puremechanicalaction.Noutilities.Easyinstallationandmainte-
nance
●COSTPERFORMANCE
Comparedtootherprinciples,relativelylow-costmeasurementof
liquidlevelispossible.
● WIDEAPPLICATION
FT-1000/FP-1000coversfromatmospherictankstopressurized
sphericaltanks.Also,byselectingappropriatematerial,theycan
beusedforcorosiveliquids.
●TRANSMITTERSAVAILABLE
Inadditiontolocalliquidlevelindication,differenttypesoftrans-
mitters,i.e.alarmcontact(s),pneumatic,electric,digitalserial
code,etc,canbeprovidedforremoteindication/contorol.
APPLICATIONS
●GENERALCONEROOFTANKS,FLOATINGROOFTANKS
FORCRUDEOIL
Fromcrudeoiltanks,intermediatetankstofinalproducttanksin
Oilrefiningplants.
●HIGHPRESSURETANKSFORLPGANDOTHERS
FT-1000cancoverupto30kg/cm2Gpressuretanks.Theyare
alsousedformediumpressurecylindertanks.
● HEAVYOILTANKSFORTHERMALPOWERSTATIONS
Utilitytanks,Firefightingwatertanks
●CORROSIVELIQUIDTANKS
PipesealedtypeFP-1000coversevencorrosiveliquidtanks.

FT-1000/FP-1000FLOATFLOATTANKGAUGE
2 TOKYO KEISO CO., LTD. TG-L111-2E
OPERATIONPRINCIPLE
AsshowninFig.1
TheFT-1000SeriesLevelGaugeconsistsofaleveldetectingfloat,
transmittingparts(tape,guideelbow,etc.)andtheinstrumentbody.
Theindicatorbodycomprisesthesprocketpulley,tapewinding
pulley,constanttorquespring,gearmachanism,pointerandscale
plate.Whenatransmitterisprovidedforthelevelgauge,thetrans-
mitterisconnectedtothesprocketpulleyshaftoftheindicatorbody
throughthecouplingmechanism.
Thefloatiskeptafloatonthesurfaceoftheliquidwithaconstant
draftline,andfollowsanychangesintheliquidlevel.Thefloatis
connectedtoatapewindingpulley-throughthestainlesssteeltape,
whichispunchedatregularintervals.Theconstanttorquespringis
incorporatedinthetapewindingpulleyinordertoapplyaconstant
torqueinthetapewindingdirection.Thisconstanttorqueisbal-
ancedwiththeweightofthefloatonthesurfaceoftheliquid.
Whenthefloatrisesandlowers,accordingtothechangeinthe
liquidlevel,thetapewhichisinterlockedwiththefloatrotatesthe
sprocketpulley,whichinturnisengagedwiththepunchedtape.
Therotationcorrespondstotheupwardordownwardmovementof
thefloat.Thus,anychangeintheleveloftheliquidisconvertedto
thechangeintherotationangleofthesprocketpulleyshaft.
Thisrotationangleofsprocketpulleyistransferredtotransmitter
unit,i.e.Microswitchalarm,pneumatic,electric,digitalBCDetc.
Throughcouplingunitforremotedatatransmission.
AsshowninFig.2
IntheFP-1000SeriesLevelGauge,thevaporandgasinthetank
aresealedwiththesealpipeandcannotgetintothelevelgauge.
Therefore,thesystemisnotonlycovenientbutsuitabletomeasure
theliquidleveloftanksthatcontainaliquid,liquifiedgasorany
otherhightemperatureliquidthatcangeneratepoisonous,corrosive
orinflammablegasesandodor.Inaddition,thesystemisexcellent
inthatitisnon-corrosive,safeandiseasytomaintain.
IntheFPSeries,theindicatorbodyoftheFT-1000levelgaugefor
lowpressueisused,andasealpipemadeofanon-magnetic
materialisinsertedandfixedinthetank.Thedoughnut-shapedfloat
risesandlowers,withtheaidofthesealpipeasguide,accordingto
thechangeintheliqudlevel.Thefloatcontainsamainmagnet,and
afollowngmagnetwithaslidingrollerisarrangedinthesealpipe.
Thefollowingmagnetisconnectedtothelocallevelindicatorsame
toFT-1000levelgaugebymeansofameasuringtapeinorderto
transmitthechangeintheliquidlevel;tothelevelindicator,which
indicatestheliquidlevel.Ifatransmitterisequipped,theliquidlevel;
canbetransmittedtoaremotecontrolroom.
Installingonthesideatank Constructionofthesealpipeandfloat
Fig.2:OPERATIONPRINCIPLEOFFP-1000
Measuringrange
Locallevel
indicator
Sealpipe
Float(contains
mainmaget)
Measuringtape
Followingmagnet
Mainmagnet
Float
Bottomoftank
Bottompiece
Sealpipe
(Floatguidepipe)
Float
Tank
Liquidsurface
Guideelbow Guideelbow
Measuringtape
Sprocketpulley
Gearmechanism
Pointer-scaleplate
(orcounter)
Constanttorquespring
(Constonspring)
Coupling
Indicatorbodyof
FT-1000Series
LevelGauge
Tapewindingpulley
Level,analog,digital
Levelsignalline,
Alarmsingnalline
Cam
Microswitch
Upper,lowerlimitalarmtransmitter
Trasmitter
Analogconverter/transmitter
Digitalconverter/transmitter
Alarmtransmitter
Fig.1:OPERATIONPRINCIPLEOFFT-1000

FT-1000/FP-1000 FLOATTANKGAUGE
TOKYO KEISO CO., LTD. 3TG-L111-2E
STANDARDSPECIFICATION
Liquiddensity:0.6 〜 1.9
● Measuringrange : 0 〜 3m
0〜5m
0〜10m
0〜15m
0〜20m
0〜25m
(Max.0 〜 10mforFP-1000pipesealtype)
● Localindication : ① 2pointerdial(mandmmunit)or
②Digitalcounterwithvernierdialfor
mmunitor
③Specialgraduation
①,②:Min.indicationunit;1mm
●Indicationaccuracy* : FT-1000:± 3mm
FP-1000:± 5mm
*Onreferencecondition,subjectto
installationconditionsontotanks
MODELCODE
●Operatingpressure : ① Atmospheric(Testpress.0.2kg/
cm2G
② MediumPress.(Max.10kg/cm2G)
③ HighPress.(Max.20kg/cm2G)
④ HighPress.(Max.30kg/cm2G)
●Liquidtemp. : FT-1000 ―196 + 400℃
FP-1000 0 〜+ 150℃
● Installationontotanks: StandardBy40mm(1-1/2")screwor
flange*
*1) Flangesonlyforguidepipes
ofFP-1000
*2) 50mm(2")orlargerflangesforPVC
guidepipeversion
● Indicatorenclosure : Watertight(IP54)
●Finish : Silver(std.)
● Floatoperation : Windingupmechanismisprovidedas
standard.Itcanbeusedforrepeatabil-
itychecking.
TYPE
INDICATION
TRANSMITTER
PRESS,RATING,CONNECTION
Float-tapetype
Pipe-sealtype
2pointerdial
Digitalcounterwithvernierdial
Specialgraduation
Notransmitterprovided
Transmitterprovided
Transmitterfittingprovided
Atmospheric,Screwconnection
Atmospheric,Flangeconnection
MediumPress.,Flangeconnection(Max.10kg/cm2G)
HighPress.,Flangeconnection(Max.20kg/cm2G)
HighPress.,Flangeconnection(Max.30kg/cm2G)
DESCRIPTION
1
2
3
4
5
0
1
2
1
2
3
–1
FT
–1
FP
–1
*1:Volumegraduationandothersonrequest
*2:OnlyforFT-1000float-tapetypes.FP-1000(Pipesealingtype)isflangeconnectiononly.
Standardtype(Atmospheric)(Counterindication)
Countertypeindication
FT-12 □□
High-Pressuretype
2pointerdialindication
FT-11 □□

FT-1000/FP-1000FLOATFLOATTANKGAUGE
4 TOKYO KEISO CO., LTD. TG-L111-2E
①ForGeneralConeRoofTanks(FT-1000)
SCOPEOFSUPPLY,INSTALATIONEXAMPLE,DIMENSIONS
②ForfloatingRoofTanks(FT-1000)
No PartDescription Q'ty
Standardmaterial
Optionallyavailablematerial
Remarks
① Indicator 1 ADC12 SCS13*1,SCS14*1
② Measuringtape 1 SUS316 —
③ 90°guideelbow 2 ADC12*2 SCS13,SCS14
④Float 1 SUS304
SUS316,SCS316L,PVC
Standardφ400mm
⑤ Guidewireknob 2
FC250/SUS304
SUS304/SUS304,SUS316/SUS316
⑥Guidewire 2 SUS304 SUS316,Tefloncovered
φ3mm(7×7Stranded)
⑦ Bottompiece 2 SUS304 SUS316,SUS316L
⑧Indicatorsupport ———
Customer'sscope*3
⑨
Tapeprotectionpipe
———
Customer'sscope*3
⑩Pipesupport ———
Customer'sscope*3
*1:Shapeofindicatormaydifferforcaststainlesssteelversions.
*2:FC250(Castediron)forflangeconnectionversions
*3:Availableonrequest
No PartDescription Q'ty
Standardmaterial
Optionallyavailablematerial
Remarks
① Indicator 1 ADC12 —
② 90°guideelbow 2 ADC12*2 —
③Wireguide 1 SS400/PVC —
④ Guidebush 1
SUS304/PTFE
—
⑤Measuringtape 1 SUS316
—
⑥ Tape-wirejoint 1 SCS13 —
⑦ Measuringwire 1 SUS316 —
⑧Float 1 SUS304 SUS316,SUS316L
Standardφ400mm
⑨ Indicatorsupport
———
Customer'sscope*2
⑩
Tapeprotectionpipe
———
Customer'sscope*2
⑪Pipesupport ———
Customer'sscope*2
*1:FC250(Castediron)forflangeconnectionversions
*2:Availableonrequest
TankHeightH
TankHeightH

FT-1000/FP-1000 FLOATTANKGAUGE
TOKYO KEISO CO., LTD. 5TG-L111-2E
③ForGasHolderTanks(FT-1000)
④ForTankTopmInstallation(FT-1000)
No PartDescription Q'ty
Standardmaterial
Optionallyavailablematerial
Remarks
① Indicator 1 ADC12 —
② 90°guideelbow 2 ADC12*1 —
③Wireguide 1 SS400/PVC —
④ Measuringtape 1 SUS316 —
⑤ Tape-wirejoint 1 SCS13
—
⑥ Measuringwire 1 SUS316 —
⑦Wirejoint 1 SUS304 —
⑧Indicatorsupport ———
Customer'sscope*2
⑨
Tapeprotectionpipe
———
Customer'sscope*2
⑩Pipesupport ———
Customer'sscope*2
*1:FC250(Castediron)forflangeconnectionversions
*2:Availableonrequest
*3:LifeofConstonSpring:Approx,12,000trips
No PartDescription Q'ty
Standardmaterial
Optionallyavailablematerial
Remarks
① Indicator 1 ADC12 —
② Guidewireknob 2
FC250/SUS304
SUS304/SUS304,SUS316/SUS316
③ Guidewire 2 SUS304
SU316,TEFLONCovered
φ3mm(7×7stranded)
④Measuringtape 1 SUS316 —
⑤Float 1 SUS304
SUS316,SCS316L,PVC
Standardφ400mm
⑥Bottompiece 2 SUS304 SUS316,SUS316L
MeasuringRange
TankHeightH

FT-1000/FP-1000FLOATFLOATTANKGAUGE
6 TOKYO KEISO CO., LTD. TG-L111-2E
⑤ForHigh-Pressure,SphericalTanks(FT-1000)
⑥PipeSealingtype(FP-1000)
6-1Tanktopinstallation 6-2Tanksideinstallation
No PartDescription Q'ty
Standardmaterial
Optionallyavailablematerial
Remarks
① Indicator 1 SC480 SCS13,SCS14
②Measuringtape 1 SUS316 —
③ 135°guideelbow 2 SC480 SCS13,SCS14
④ 90°guideelbow 1 SC480 SCS13,SCS14
⑤Float 1 SUS304
SUS316,SUS316L
Standardφ400mm
⑥Tape-wirejoint 1 SCS13 —
⑦Measuringwire 1 SUS316 —
φ1.6mmstranded
⑧Guidewireknob 2 STPG370 SUS304,SUS316
⑨ Guidewire
2 SUS304 SUS316
φ3mm(7×7stranded)
⑩ Bottompiece 2 SUS304 SUS316,SUS316L
⑪ Shut-Offvalve 1 SCS13 SCS14
⑫
Indicatorsupport
———
Customer'sscope*1
⑬
Tapeprotectionpipe
———
Customer'sscope*1
⑭
Pipesupport ———
Customer'sscope*1
*1:Availableonrequest
No. PartDescription Optionallyavailablematerial Remarks
*1:FC250(Castediron)forflangeconnectionversions
*2:Availableonrequest
① Indicator 1 1 ADC12 —
② 90°guideelbow —2ADC12*1 —
③ Guidepipeass'y 1 1 SUS304 SUS316,SUS316L,PVC
④ Measuringtape 1 1 SUS316 —
⑤ Followingmagnet 1 1 —
—
⑥ Float 1 1 SUS304 SUS316,SUS316L,PVC Standardφ400mm
⑦ Bottompiece 1 1 SUS304 SUS316,SUS316L,PVC
⑧ Indicatorsupport ————
Customer'sscope*2
⑨ Tapeprotectionpipe
————
Customer'sscope*2
⑩ Pipesupport ———
Customer'sscope*2
Q'ty Standard
material
(Tanktop)
(Tankside)

FT-1000/FP-1000 FLOATTANKGAUGE
TOKYO KEISO CO., LTD. 7TG-L111-2E
COMPORNENTSforAtmosphericapplication(FT-1 □□ 1)
①INDICATORBODY ⑤ HOISTINGMECHANISM
②GASKET ⑥UNION
③REARCOVER ⑦STUD-BOLT&NUT
④INDICATIONUNIT ⑧ CONNECTIONFLANGE
90GUIDEELBOW BOTTOMPIECE
GUIDEWIREKNOBFLOAT
INDICATOR
①INDICATORBODY ⑤ HOISTINGMECHANISM
②GASKET ⑥UNION
③REARCOVER ⑦PLUG
④INDICATIONUNIT ⑧ TRASMITTERCONNECTOR
90GUIDEELBOW 135GUIDEELBOW
FLOAT BOTTOMPIECE
GUIDEWIREKNOB SHUT-OFFVALVE
INDICATOR
3
COMPORNENTSforMediumandHighpressureapplication(FT-1 □□ 4)
5

FT-1000/FP-1000FLOATFLOATTANKGAUGE
8 TOKYO KEISO CO., LTD. TG-L111-2E
COMPONENTSforFloatingRoofTankapplication(FT-1 □□ 2)
CONPONENTSforpipeSealingtype(FP-1000)
INDICATOR FLOAT
90GUIDEELBOW WIREGUIDE
TAPE-WIREJOINT BUSHINGASSEMBLY
FOLLOWINGMAGNET
FLOAT
GUIDEPIPEASSEMBLY
90GUIDEELBOW
INDICATOR

FT-1000/FP-1000 FLOATTANKGAUGE
TOKYO KEISO CO., LTD. 9TG-L111-2E
SEALINGPOT
Fortoxic,corrosiveandinflammablevapourproducingliquidtanks
U-shapedorV-shavedsealingpotisnormallyprovidedtoisolate
tankinsideandindicatormechanismasshownbelow.
Non-evaporatingliquids.i,e,siliconeoil.Spindleoil,paraffinoiletc,
areused.
VShapedSealPot
SPECIALVERSIONS
●ANCHORWEIGHTTYPE
Toinstallontoexistingtankswithoutwelding,Anchorweightsystem
isoffered.ByutilizingManholecoveronthetankroof,guidewires
arehungfromtanktop.
UShapedSealPot
●CHAMBERGUIDE,SMALLSIZEDFLOATTYPE
Forundergroundconcretepits,etc.,6"internalchamberisprovided
toguidefloat.Smallsizedfloatof135mmdiameterisnormally
used.
Flangeorscrew
Standard400
SGP,SUS304,SUS316,AC2A,FC250,SCS13,SCS14
Suppliedbycustomer
Approx.1L
Processconnection
Shut-offPressure(mmH
2
O)
Material
Sealingliquid
Volumeofsealingliquid

FT-1000/FP-1000FLOATFLOATTANKGAUGE
10 TOKYO KEISO CO., LTD. TG-L111-2E
TRANSMITTERS
DifferenttypesoftransmitterscanbeattachedontoFT-1000/FP-1000tankgauges.Inadditiontolocallevelindication,remoteindication/
contorolispossible
Toidentifythedescriptionoftankgaugeswithtransmitter,modelcodeoftransmitterisaddedafterthemodelcodeoftankgaugeasfollows:
□1ALARMTRANSMITTERS
No.ofalarmpoint : Max.6point
Typeofswitch : SPDTMicroswitch
Contactcapacity : AC250V,5A,DC125V,0.4A
Costruction : Weatherproof(TypeW)
FLAMEPROOFEXdIICT6,TypeEX
(d2G4,TypeE)orIntrinsicallysafe
(i3aG5TypeS,Safetyrelaytobeused)
Cableentry : G1/2orG3/4
Weatherproof(TypeW)andIntrisicallysafe(TypeS)
LiquidleveldataisconvertedintoDC4 〜 20mAsignalforspanand
output.
Continuousleveldatamonitoringatremotelocationispossible.
Signalconversion : ByR/Iconverter+Potentio-meter
Output : DC4 〜 20mA
Max.Load : Max.500 Ω(atDC24V)
Construction : Weatherproof(TypeW)
FLAMEPROOFEXdIICT6,TypeEX
(d2G4,TypeE)orIntrinsicallysafe
(i3aG5TypeS,Safetyrelaytobeused)
Cableentry : G1/2orG3/4
Weatherproof(TypeW)andIntrisicallysafe(TypeS)
FLAMEPROOF(TYPEEX)
OUTPUT
ALARMPOINT
CONSTRUCTION
CABLEENTRY
DC4〜20mAonly
DC4〜20mA+Alarmcontact
1POINT
2POINT
3POINT
4POINT
WEATHERPROOF
FLAMEPROOF(EXdIICT6)
INTRINSICALLYSAFE(i3nG5)*1
CABLEGLAND*2
CONDUIT
OTHERS
DESCRIPTION
0
1
2
3
4
–B
–C
–F
W
EX
S
1
2
*1:NoalarmcanbeaddedtoISversion.
*2:EX)Standard
Cableouterdiameter G1/2...φ9〜11,
G3/4...φ12〜14
S,W)Option
MODEL CODE
TR-2 –
FLAMEPROOF(TYPEEX)
□2ELECTRICTRANSMITTERS
NO.OFALARMPOINT
CONSTRUCTION
CABLEINTRODUCTION
1POINT
2POINT
3POINT
4POINT
5POINT
6POINT
WEATHERPROOF
FLAMEPROOF(EXdIICT6)
INTRINSICALLYSAFE(i3nG5)*1
CABLEGLAND*2
CONDUIT
OTHERS
DESCRIPTION
1
2
3
4
5
6
–B
–C
–F
W
EX
S
*1:Safetyrelayseparatelytobeprovided
*2:EX)Standard
Cableouterdiameter G1/2...φ9〜11,
G3/4...φ12〜14
S,W)Option
MODEL CODE
TR-10 –

FT-1000/FP-1000 FLOATTANKGAUGE
TOKYO KEISO CO., LTD. 11TG-L111-2E
□3PNEUMATICTRANSMITTERS
Output : 0.2 〜 1.0kg/cm2
Connection : Rc1/4
Airconsumption : 10NL/min.
BesidestheAnalogtypetransmitters,TokyoKeisocanofferdigitaltypetransmittersasfollows.
Theirfeaturesare:
●Highaccuracyofleveldatatransmissionof±1mm
● Additionaldataofliquidtemp.alarmstatusetc.canbesentthroughtwocorecableinBCDform.
●Two-wayTwo-wiresystemcanofferdatatransferforfieldinstrumentscontrol.
Differenttypesofcontrolroomreceivingindicators/indicationsystemsfromsimplemonitoringtosophisicatedvolumecalculation,valvecontrol
etc.areavailable.
*RegisteredtrademarkofFujiElectricCo.,Ltd.
SeparatedTECHNICALGUIDANCEofabovementionedDigitalTankDataTransmittersareavailableonrequest.
ACCESSORY Notprovided
Fiterregulatorprovided
DESCRIPTION
A
MODELCODE
AT-101W-
DM4-1
DM4-3
DM4-2-3
O-DBM
DM4-2-1
or
DM4-2-2
MODEL TYPE SPECIFICATION FEATURES
One-way
Two-way
One-way
Intelligent,Opticaldata
transmission
FFI*compatible,Batterydriven
FFI*compatible,Batterydriven
Liquidleveldatatransmission
only
Level,temperatureandMax.3
pointalarmcontactinserial
codedpulsethrough2-core
cableincludingpowersupply
fortransmitter.
Level,temperatureandMax.2-
pointalarmcontactfromfieldto
controlroom,plusMax.10-
pointON/OFFsignaltwo-way
transfer
BrushandcodingplatetypeA/D
convertor.Level,temperatureandMax.
4-pointalarmcontactinserialcoded
pulsethrough2-corecableincluding
powersupplyfortransmitter.
Best-selling transmitter. Magne-
tic field type non-contact A/D
convertor offers high reliability
anddurability.
2-core bus-line wiring system
saves wiring cost drastically.
Field instruments, i.e.
Loading/Unloading valves, can
be controlled from control room
byusingtankgaugesignalline.
Reliable current modulation type
BCDsignalrunseventhrough2-
core, standard instrumentation
cables.
Remote indication can be
achievedbyusing existing alarm
lines.
Optical data transmission free
from external noise mainly
causedbythunderstorms.
JustfitsforFFIsystem.
□4DIGITALTRANSMITTERS

FT-1000/FP-1000FLOATTANKGAUGE
12 TG-L111-2E
* Specificationissubjecttochangewithoutnotice.
HeadOffice : ShibaTohoBuilding,1
–
7
–
24Shibakoen,Minato-ku,Tokyo105
–
8558
Tel:03
–
3431
–
1625(KEY);Fax:03
–
3433
–
4922
e-mail:[email protected];URL:http://www.tokyokeiso.co.jp
ORDERINGINFORMATION
TANKGAUGEMODELCODE F □ -1 □□□
LIQUIDNAME
DENSITY
VISCOSITY
PERSSURE
TEMPERATURE
TANKTYPE □CONEROOF □FLOATINGROOF
□SPHERICAL □OTHERS()
INSTALLATION □TANKSIDE □TANKTOP □OTHERS()
MEASURINGRANGE 0 〜 mm
WETTINGPARTMATERIAL □STANDARD □ ANTI-CORROSIVEMATERIAL()
SEALINGPOT □NOTREQUIRED □ REQUIRED(□V-SHAPED□U-SHAPED)
TRANSMITTER □NOTREQUIED
TRANSMITTERCOBSTRUCTION □ GENERAL □ EX-PROOF
APPLICATION □ GENERAL □NUCLEARREGULATION
□HIGHPRESSUREGASREGULATION
MILLCERTIFICATE □NOTREQUIRED □ REQUIRED
OTHERSPECIALINSTRUCTIONIFANY
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1
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