http://www.ce-transducer.com 3rdFloor,building1, Zaimaoindustrialpark, Baoji road, Bantian, Longgangdistrict,
sales@ce-transducer.com ShenzhenCity, ChinaPostcode:518049
≤250Ω,and 0-5VvoltageoutputRLstandardis ≥1KΩ,can
guarantee theoutputaccuracyand linearityovertheentirerated
inputrange.
10Example ofproductaccuracy levelverification
1Accordingtothedefinitionofthetransducerterminalsto
connectthetestcircuit.
Figure14,testwiringdiagramofaccuracyofvoltageorcurrent
output
Note: Thevoltageoutputismeasuredwithavoltmeterand the
currentoutputismeasuredwithanIometer.
2Thetestshall becarriedoutunderthefollowingenvironmental
conditions:
◆Powersupply:nominal 5%, ripple ≤10mV;
◆Ambienttemperature:25 °C 5°C;
◆Relativehumidity:RH (45 ~80)%;
◆Theaccuracyofthesignalsource and measurement
instrumentis0.05%above.
3Powerpreheat2min;
4Usinghigh-precisionpowersignalsource toinputthevalueof
voltageand currentandthecorrespondingphase, andrecordthe
displaydataofcalibrator,inordertoensuretheveracityofthe
accuracy,please entervoltageand currentsignalsmorethan
20%oftheproductrang.Thecurrentcanbeinputusingthe
ampere-turnmethod.
5Exampleforconversionrelationshipofoutputandmeasured
value:（Voisvoltageoutput, Cispowerfactor）
Iftheoutputis0-5V,thenC=Vo÷ 5V;
Iftheoutputis4-20mA, thenC=(Io-4mA)÷16mA;
Iftheoutputis0-2.5V-5Vmorethan2.5V, aadvance power
factorand inductiveload, C=(5V-Vo)÷2.5V.Whenoutputisless
than2.5V, alaggingpowerfactorand capacitiveload,C=
Vo÷2.5V;
Iftheoutputis0-4mA-20Ma, whenoutput12mA, aadvance
powerfactorand inductiveload, C=(20 mA-Io)÷8mA;when
outputless than12mA, alaggingpowerfactorand capacitive
load, C=(Io-4mA)÷8mA.
6ThemonitoringmetermeasurestheDCvoltageoutputvalueVo
orthecurrentoutputvalueIo.
│Vo-Vz│≤25mVisnormal, orexcessive(0-5Voutput, 0.5);
│Io-Iz│≤80uAisnormal, orexcessive(4-20mAoutput,0.5);
│Io-Iz│≤100uAisnormal, orexcessive(0-20mAoutput,0.5);
7RepeattheNO.4andNO.5operations,theresultingpointvalue
│Vo-Vz│≤25mVor │Io-Iz│≤80uA(100uA),theaccuracylevel
oftransducerisqualified.
Note: please consult withourcompanyfortheverification method
ofothertechnicalindicators.
11 Notes
1Please payattention tothepowersupplyinformation onthe
productlabel,andthepowersupplyusedgradeofthetransducer,
otherwise it will cause theproducttobedamaged.
2Transducerfortheintegratedstructure,notremovable,and
shouldavoidcollisionandfall.
3Thetransducersareusedinenvironmentswithstrong
electromagneticinterference.Standardprecaution suchas
shieldingtheinputand/oroutputlines shouldbeobserved.All
lines shouldbeas shortas possible.Ifagroupoftransducersare
mountedtogether, keepaspace morethan10mmbetweenadjacent
units.
4Theinputvaluegivenon thetransducerlabelreferstotheRMS
valueoftheac signal.
5Onlyuse theeffectiveterminalofthetransducer.Theother
terminalsmaybeconnectedwiththeinternalcircuit ofthe
transducer, andcan’tbeusedforotherpurposes.
6Transducerhas acertainanti-lightningability,butwhenthe
transducerinputandoutputfeedersexposedtoextremebad
environments, mustbetakenlightningprotection measures.
7Don’tdamageormodifytheproductlabelandlogo.Don’t
disassembleormodifythetransmitter,otherwise thecompanywill
no longerprovidetheproduct"three guarantees"(replacement,
return, repair) services.
8Thetransducersuse flame-retardantABSplasticshell package.
whichlimit temperatureis+75 ℃.Theshell will bedeformed
withhigh-temperaturebaking,andwill affectproductperformance.
Donotuse orsavetheproductneartheheatsource.Donotbake
theproductinahigh-temperatureoven.
