Solidinsulator
Fillingsiliconeoil
Figure1.2Capacitivepressuresensor
ThecoreofUI3000smartpressuretransmitterisonthebasisofpole-changiiigdifferentialcapacitivepressuresensor（Figure1.2）,
Thecapacitivepressuresensorisacompletelysealedpart.Whenprocesspressureistransmittedviatheisolatingdiaphragmandsiliconeoilfillingliquidtothesensingdiaphragmwhichflinctionsasapublicplateofdifferentialcapacitance,thesensingdiaphragmdisplacesandthusdifferentialcapacitancechanges.Thereisaspecificfunctionrelationshipexistingbetweenprocesspressureanddifferentialcapacitance.
2）Solid-statesiliconsensor（applytoTG/TA）
Thesensitivecomponentofsolid-statesiliconsensorisonthebasisofpiezoresistiveeffectofmonocrystallinesilicon.Thereisafour-armresistancestrainbridgespreadingonsiliconchip.Processpressureistransmittedviatheisolatingdiaphragmandsiliconeoilfillingfluidtothesensitivecomponents.Becauseofpiezoresistiveeffect,thebalanceofthebridgeisbrokenandthesensitivecomponentoutputselectricalsignalhavinglinearrelationshipwiththemeasuredpressuresignal.
2.A/Dconvertermodule
A/Dconvertermoduleismadeofelectroniccomponentsencapsulatedinthesensormodule.Itincludessignalsampling,conditioning,A/Dconversion,temperaturesensoranddatastorage.
TheA/Dconvertercircuitconvertstheanalogsignalcomingfromconditioningcircuittodigitalsignalwhichisinputofthemicroprocessor.
Temperatureofthetransmitterisacquiredbythetemperaturesensorsandthenconvertedtodigitalsignalwhichissuppliedtothemicroprocessortodotemperaturecompensation.
EEPROMhasthefunctionofpowerfailureprotectionandisusedtostoreconfigurationparametersanddeviceinformation.
II.Amplifiermodule
AmplifierModuleismainlymadeofaremovableelectroniccomponentandlocalkeymodule.Itisusedtorealizetransmitterconfiguration,adjustment,selfdiagnosis,temperaturecompensation,analogoutput,HARTcommunication,etc.ThecoreofamplifiermoduleismicroprocessorandincludesD/Aconverter,HARTmodemchip,localkey,etc.
ThemicroprocessoroftransmittercontrolsA/DconversionandD/Aconversion,andrealizeslinearization,transmitterconfiguration,selfdiagnosis,temperaturecompensationandmenudisplay（withLCDindicator）,etc.
TheD/Aconversioncircuitconvertsthedigitalsignalcoiningfromthemicroprocessortoanalogsignalof4~20mAwhichthenbeoutputtocircuitloop.
Localkeymodulecanachieveon-siteadjustmentforbothzeroandspan.Avarietyofon-siteadjustmentandsettingscanbeachievedwiththeLCDindicator.
HARTmodemchipmodulatesdigitalsignalintoHARTsignalwhichissuperimposedon4〜20mAanalogsignalanddemodulatesHARTsignalintodigitalsignalwhichisthensuppliedtomicroprocessor.
Section2Specifications
Thestandardofthisproduct:
Q/TBDE1-2011.
I.Meaningoforderinginformation
SeeAppendix1forthemeaningoftypesandcodesofUI3000
II.Technicalspecifications
1.BasicspecificationsMeasurementobject:
Liquid,gasandsteam.
Workingrange:
SeeFigure2.1
OutputSignal:
4~20mADC/HART.Linearorsquare-rootoutputfimctioncanbeselected.
PowerSupply:
11〜45VDC，15~45VDCfortransmitterwithbacklightLCDindicator.24VDCisrecommended,rippleratio<0.1%.
Load:
Rl=（Vs-Vm）/0.023（Q）
RL:
loadresistance（Q）,Vs:
supplyvoltage（V）,Vm:
1IV（15VwithbacklightLCDindicator）
Figure2.1Loadcharacteristics
Turn-ontime:
<3s（withoutLCD）
Damping:
Theadjustableelectricaldampingtimeconstantis0.1-16s.
Volumetricdisplacement:
<0.16cm
Workingconditions:
Environmenttemperature:
-40~+85°C（-20〜+60°CwithLCDindicator，
-20~+60°Cwithfluorinatedoilfillingliquid）
Relativehumidity:
0%〜100%
Atmosphericpressxire:
86kPa~106kPaExternalmagneticfield:
<400A/m
Storageconditions:
Temperature:
-50~+85〇C（-30~+85〇Cwithhigh-temperaturesiliconeoilfillingfluid）Relativehumidity:
<85%
Weight:
DP/GP:
about3.5kg（withoutaccessories）
TG/TA:
about1.2kg（withoutaccessories）
3.performancespecifications
referenceconditions:
Temperature:
20#C±5#CRelativehumidity:
60%±15%
Atmosphericpressure:
86kPa〜106kPaRange:
Maximumrange,NoshiftOtherconditions:
316Lisolatingdiaphragm,siliconeoilfillingfluid,linearoutput,withoutLCDindicator.
Accuracy（underreferenceconditions）
DP、TG、TA、GP:
±0.075%，LT、RD、RT、RA±0.2%
Notel:
Includingterminal-basedconformity,hysteresisandrepeatability.
Note2:
DP,rangeinthe750Pa〜1.5kPais±0,2%
Note3:
DP，rangeinthelOOPa〜750Pais±0.25%
Note4:
TGandDP，rangeinthe1.5kPa〜2.5kPais±0.2%
Note5:
Fortherangedown>10:
1,accuracyshouldbeaddedtheaboveaccuracyvalue*（rangedown
-10）/10.
Noted:
Thespecificationsoflevelandremotetransmittermayrefertothecorrespondingtransmitterandareaffectedbyflangetype,flangesize,pressureratingandthematerialofisolatingdiaphragm.Temperatureeffect（-20°C-H-65°C）zeroandspan：
DP/GP/TG/TA:
Rangecode4~9,0:
0.1%FS/10C
Rangecode2,3:
0.2%FS/10°C
Staticpressureeffect（onzero）:
canbecorrectedbyadjustingzero
maximum
maximum
DP2:
0.25%FS/4MPa，maximumworkingpressureis4MPaDP3:
0.15%FS/7MPa,maximumworkingpressureis7MPaDP4-8:
0.1%FS/10MPa,mworkingpressureis14MPa
1.5%FS/25MPa,maworkingpressureis25MPa
1.75%FS/32MPa,maximumworkingpressureis32MPa
Vibrationeffect:
Powersupplyeffect:
<±0.005%FS/VLongtermdrift:
<±0.1%FS/year
Mountingpositioneffect:
Nomorethan0.24kPaonzeroandcanbeeliminatedbyzeroadjustment；
III4Dimensionaldiagrams
1.UI3000DPdifferentialpressuretransmitter
目uii
2.
14
Electiicalsealplug
3.Coveratelectiomcside
4.Electiicalcomiection:
M20>1.5cableglaiul
5.Coveratterminalside
6.Coverlockingclasp（exiilosionproof）
7.Nameplate
8.Hangingi9.Stopscrew（forelectioiiichousingrotation）
10.Piocessflange
11.Tlueaclforfixingscrews:
!
ML01ML2
12.Piocesscoimection:
ISTPT1/4femalecoiifoiitiiiigtoDIN19213
13.Sealplugordiaiiivalve（optionnl）
14.Diciiiiscrew（atsideposition）（optional）
15.Localkey
Figure2.2UI3000DPdifferentialpressuretransmitter
2.UI3000TG/TAgaugepressure/absolutepressuretransmitter
134（withLCD〕
Figure2.3UI3000TG/TAgaugepressure/absolutepressuretransmitter
Section3Notesonexplosionprotectiontype
UI3000smartpressuretransmitterhasbeenverifiedbyNationalSupervisionandInspectionCenterforExplosionProtectionandSafetyofInstrumentation（NEPSI）toconformtoGB3836.1-2010（generalrequirements）,GB3836.2-2010（flame-proofenclosure）andGB3836.4-2010（intrinsicsafety）.TheexplosionprotectionmarkingareExdIICT4~T6Gb（CertificateNo.GYB12.1552X）andExiaIICT4-T6Garespectively（CertificateNo.GYB13.1637X）.
Notesonflame-proofenclosuretype
2.Workingenvironmenttemperature:
（-40~+60）°C.
3.Therelationshipoftemperaturegroupandprocessmediumtemperatureis:
Temperaturegroup
Processmediumtemperature
T6
^80°C
T5
^95°C
T4
^130°C
4.Therearegroundterminalsontheenclosiire.Thetransmittershouldbereliablygroundedwhenusing.
5.Duringinstallation,thecableglandsandblankelements,whichareapprovedbyexplosionprotectioninspectionestablishmentauthorizedbygovernmentandhaveExdIICGbrating,mustbeused.Thespecificati
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