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CLEANINGANDMAINTENANCE
Besidesoccasionalcleaningandbatteryreplacement,thevoltagetesterismaintenance-free.
Thevoltagetestermustbedisconnectedfromalldevicesundertestbeforecleaning.
Aftercleaning,allowtheproducttodrycompletelybeforeusingitagain.
Nevertrytoopenthehousing,apartfromthebatterycompartment.
Checkthetechnicalsafetyofthevoltagetesterregularly.Itisunderstoodthatsafeoperationisnolongerpossible:
• ifthedeviceorheconnectingcableisvisiblydamaged
• afterprolongedstorageunderunfavourableconditions
• afterextraordinarytransportstress
Theoutsideofthedeviceshouldbecleanedwithasoft,dampclothorbrushonly.Donotuseabrasiveorchemicalcleaning
agentswhichcoulddamagethehousingorimpairoperation.
DISPOSAL
Electronicproductsarerecyclablesanddonotbelonginthehouseholdwaste.Whenthedevicehasreached
theendofitsservicelife,pleasedisposeofit,accordingtothecurrentstatutoryrequirements,atyourlocal
collectingsite.Itisprohibitedtodisposeofthedevicewithdomesticwaste.
Disposalofusedbatteries!
Youastheultimateconsumerarelegallyobliged(RegulationonSpentBatteries)toreturnalldeadbatteries;disposalinthe
householdwasteisprohibited!
Batteriescontaininghazardoussubstancearemarkedbythesymbolsalongsidewhichindicatestheprohibition
ofdisposalwithdomesticwaste.Thesymbolsoftherelevantheavymetalsare:Cd=Cadmium,Hg=Mercury,
Pb=Lead.Youcanhandinyourusedbatteriesatthecollectionpointsofyourcommunityatnocostorevery-
wherewherebatteries/accumulatorsaresold.
Thusyoufullyourstatutoryobligationsandcontributetotheprotectionoftheenvironment!
TECHNICALDATA
Generalinformation
VoltageindicatorLED 12,24,36,50,120,230,400,690VAC/DC
VoltageindicatorLCD 12-690VAC/DC
ResolutionLCD 0.1V(12-300V),1V(>300V)
Polarityindicator +,-,+/-(AC)
IndicatortoleranceLCD ±(3%+5counts)
IndicatortoleranceLED accordingtoEN61243-3
Voltagedisplay automatic
Signal >38V,continuity
Displaydelay <1sLED
Frequencyrangef DC,16...400Hz
Powerinput approx.2.1Wat690V
MaxtestcurrentI <3.5mA
WarningindicatorLED >50V/AC,>120V/DC
Measuringtime/cycle max.30seconds
Resttime 240seconds
LED/LCDindicatorfrom >10VAC/DC
Powersupply 2x1.5V(AAA/LR03)
Batterypowersupply approx.80mA
Temperaturerangeoperation -15to+55°C
Storagetemperature -20to+70°C
Rel.Humidity max.85%,non-condensing
Measurementcategory CATIII1000V,CATIV600V
Pollutiondegree 2
Operatingaltitude max.2000maboveN.N.
Protectiontype IP64
Rotatingelddirectionindicator onlyongroundedthree-phasesystems!
Voltagerange 120-400V/AC
Frequencyrange 50/60Hz
Continuitytest
Testrange 0-500kΩ(+50%)
Overvoltageprotection 690VDC/AC
Single-polephasetest
Voltagerange 100-690V/AC
Frequencyrange 50/60Hz

Legalnotice
TheseoperatinginstructionsareapublicationbyConradElectronicSE,Klaus-Conrad-Str.1,D-92240Hirschau(www.conrad.com).
Allrightsincludingtranslationreserved.Reproductionbyanymethod,e.g.photocopy,microlming,orthecaptureinelectronicdata
processingsystemsrequirethepriorwrittenapprovalbytheeditor.Reprinting,alsoinpart,isprohibited.
Theseoperatinginstructionsrepresentthetechnicalstatusatthetimeofprinting.
©Copyright2014byConradElectronicSE.
G
• Closeandlockthebatterycompartmentinreverseorder.Makesurethatthesealingringonthebatterycompartment
doesnotgetpinchedordamaged.Thereisonlyonepositionforthebatterycompartmentcovertomatchthedevice.The
groovemustbelocatedontheright.
Batteryreplacementisnecessarywhenthelevelindicator(8)isnolongerilluminatedduringthefunctiontest,orthebattery
replacementsymbolappearsontheLCD,orifyoucannothearthesignalsoundanylonger,whenthecontactsofthetwo
probes(4and6)areincontact.
Whenthebatteriesareempty,onlythewarningindicator(10)for“DangerousVoltage”willfunction
whenthetestvoltagereaches50V/ACor120V/DC.Donotevertouchthemeasuringcontacts,ifthis
indicatorison.
Operationwhilethebatterycompartmentisopen,isnotpermitted.
Topreventdamagetothedevicefromleakingbatteries,removethebatteriesfromthedeviceifyouwillnotbeusingitfora
longerperiod.Forthesamereason,werecommendthatyouremoveatbatteriesimmediately.
Compatiblealkalinebatteriescanbeobtainedwiththefollowingordernumber:
Ord.no.652303(2pcs.Pleaseorder1xunit).
Onlyusealkalinebatteries;theyarehigh-performanceanddurable.
MESUREMENTPOINTSILLUMINATION
TheVC-55hasabattery-operatedmeasuringpointillumination.
Pressbutton(15)toturnilluminationonandoff.Thelightisonforabout130secondsanddisappearsautomatically.
PERFORMINGTESTSANDMEASUREMENTS
Thetwo-polevoltagetesterconsistsofthetwoprobes(4and6),aconnectingcable(18)andtheindicatorpanel.
Alwaysholdthevoltagetesterinaway,thatyoucanlookdownontotheindicatorpanel.Illuminatedindicatorsmaybe
adverselyaffectedbystronglight.
ForDCmeasurements,theprobetipL2+(6)isthepositivepole,andtheprobetipL1-(4)isthenegativepole.
TheVC-55willautonomouslyturnonwhentheteststarts(entrylevel>10V),andwhenthetesthasbeencompleted,itturns
off.
Alwayscheckthatthevoltagetesterisfunctioningproperlypriorandafteremployment.Measure
aknownvoltagesource(mainsvoltage230V/AC,forexample)rst,andchecktheaccuracyofthe
readouts.Intheeventofoneormoreindicatingranges(8)fail,donotusethevoltagetester.
Ifthemeterdoesnotdisplayanyfunctionorindividualindicatorrangesarenotfunctioning,decommis-
sionthevoltagetester.Adefectivevoltagetestermustnotbeused.
Observetheregulationsregardingworkwithelectricalsystems.Personalprotectiveequipmentmustbe
usedwhenworkingonsystemswithdangerouselectricalvoltage.
Themaximumpermitteddutycycle(ON)is30seconds.Afterthattimehaspassed,anoperationalrest
of240minutesatleast,hastobemaintained.
Thefollowingmeasurementfunctionscanbeconducted:
a)Two-polevoltagemetering
Alwaysholdthevoltagetesterbythehandlesdesignedforthispurpose(1and16).Neverreachbeyondthetactilebarrierof
thegrip(5and13).
Guidethetwoprobetipsontothemeasurementpointstobetested.Thevoltagerangeisshownonthelevelindicator(8)and
thepresentmeasuringvoltageisshownontheLCDdisplay.
Thelightindicators(+)and(-)showthetypeofvoltageandthecorrespondingpolarity.Ifbothindicators,LED(+)and(-)are
litatthesametime,alternatingcurrent(AC)ispresent.PolarityisonlyindicatedbymeansofthetwoLEDs.
Atavoltageofabout38V/ACor100V/DCasignalsoundisproduced.Therotatingeldindicator“L”and“R”mayash
duringmetering.Thisisatechnicalissueandiswithoutsignicanceorimpactonthemeasuringprocess.
ThetwoprobetipsL1undL2canbeconnectedtooneanother,laterallyviathefasteningclamponthe
handlegripbarrierofprobetipL1(5).
Thedistancebetweenthetwoprobesis19mm,whichcomplieswiththestandardizedcontactgapfor
EUandsafetysocketoutlets.
Inaddition,establishingcontactinsidetheoutletsismadeeveneasierwhentheincluded4mm
adapterscrewsareused.Thatway,thevoltagetestercanbeguidedbyusingonehandonly.
Makesurethatyourhandremainswithinthegriparea(16)ofprobetipL2andthat
youdon’tcoverthedisplay.
b)Rotatingeldindicator
VC-55showstherotatingelddirectionofproperlygroundedthree-phasesystems(withbatteriesonly).Thevoltagetester
detectstheorderofincreasingphasestogroundpotential
Holdthevoltagetesterbythehandles(1)and(16)provided.Nevertouchthedevicebeyondthehandleends.
Connectthetwoprobestothemeasuringpointsthatyouwanttomeasure.
TheprobeL1(4)correspondstotheoutercable(phase)L1.
TheprobeL1(6)correspondstotheoutercable(phase)L2.
Theavailablevoltagerangeandthephasesequenceisrepresentedonthedisplay.
Theilluminatedindicators(12)showtheapplicablerotatingelddirection(L=leftturning/R=rightturning).
Example1: Example2:
ProbetipL1tooutercableL1, probetipL1tooutercableL2,
ProbetipL2tooutercableL2, probetipL2tooutercableL3,
Thecorrecteldrotation“R”isdisplayed Thecorrecteldrotation“R”isdisplayed
Example3:
ProbetipL1tooutercableL2,
ProbetipL2tooutercableL1,
Oppositephasesequence“L”isdisplayed
c)Continuitytest
Whenbatteriesareinserted,theVC-55canbeusedasacontinuitytester.
Holdthevoltagetesterbythehandles(1)and(16)provided.Nevertouchthedevicebeyondthehandleends.
Checkfunctionbeforeyourstartmetering.
Connectbothprobetipstooneanother.Asignalsoundsandthedisplayisilluminated(11).
Ifthisisnotthecase,replacethebatteriesasdescribedunder“Inserting/ReplacingtheBatteries”.
Thecontinuitytesterindicatesaresistanceofabout0-500kΩ(+50%)ascontinuity.
d)Single-polephasetest
Whenbatteriesareinserted,theVC-55canbeusedasasingle-polephasetester.
Holdthevoltagetesterbythehandles(1)and(16)provided.Nevertouchthedevicebeyondthehandleends.
Thissingle-polephasetestservesasaquicktestonly,andpriortoanyworkconductedonthislinethe
absenceofvoltagemustberecheckedusingthedouble-polemeasuringmethod.Observetheregula-
tionsregardingworkwithelectricalsystems.
ContactprobetipL2withthemeasuringpointtobetested.ProbeL1hasnocontact.
Ifanalternatingvoltage>100Vispresent,theindicator(10)lightsupandasignalsounds.
Thesingle-polephasedisplaymaybeadverselyaffectedbyunfavourableambientconditions(electro-
staticelds,goodinsulationetc.).However,performanadditionaldouble-polevoltagetesttodetermine
thatvoltageisabsent.
4

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