User manual

• Whenyoucarrythelaboratorypowersupplyfromacoldtoawarmroom,condensationmayform.Thisposes
theriskoffatalinjuryduetoelectricshock.Thus,alwaysallowthelaboratorypowersupplytoreachroom
temperaturebeforeconnectingittothepoweroutletandturningitonand/orusingit.
• Beforeandduringuse,makesurethatyourhands,shoes,clothing,theoorandthedeviceitselfaredry.
• Makesurethattheinsulationofthelaboratorypowersupply,ofthesafetyplugs,ofallconnectedcablesand
ofthemainscableisnotdamagedordestroyed.Avoidusingunprotectedwires.
• Themainsoutletmustbelocatedneartothedeviceandbeeasilyaccessible.
• Neverpullthemainsplugfromthesocketbypullingatthecable.Alwayspullitfromthemainssocketusing
theintendedgrips.
• Unplugthemainsplugfromthemainssocketifyoudonotusethedeviceforanextendedperiodoftime.
• Disconnectthemainsplugfromthemainssocketinthunderstormsforreasonsofsafety.
• Makesurethatthemainscableisnotsqueezed,bent,damagedbysharpedgesorputundermechanical
stress.Avoidexcessivethermalstressonthemainscablefromextremeheatorcold.Donotmodifythe
mainscable.Otherwisethemainscablemaybedamaged.Adamagedmainscablecancauseadeadly
electricshock.
• Donottouchthemainscableifitisdamaged.First,powerdowntherespectivemainssocket(e.g.viathe
respectivecircuitbreaker)andthencarefullypullthe mains plug from the mains socket. Never use the
productifthemainscableisdamaged.
• A damaged mains cable may only be replaced by the manufacturer,a workshop commissioned by the
manufacturerorasimilarlyqualiedperson,soastopreventanydanger.
• Neverpluginorunplugthemainsplugwhenyourhandsarewet.
• Neverpouranyliquidsoverelectricaldevicesorputobjectslledwithliquidrightnexttothedevice.Ifliquid
oranobjectenterstheinteriorofthedevicenevertheless,rstpowerdowntherespectivesocket(e.g.switch
offcircuitbreaker)andthenpullthemainsplugfromthemainssocket.Donotoperatetheproductanymore
afterwards,buttakeittoaspecialistworkshop.
• Whenusingthe device,donotcarryany conductivemetalobjectsor jewelrysuchaschains,bracelets,
rings,etc.
• Neverleavethelaboratorypowersupplyunattendedduringuse.
• Shieldallconnectedunitsfrommalfunctionandfromexcessvoltage.
• Connectingseveraldevicesininseriesmaycausedangerousvoltagewhichcanposeariskoffatalinjury.
Heedthelowvoltageguideline.
• Duringuse,thelaboratorypowersupplyproducesheat.Neverinsertanyobjectsintotheproduct’sairvents
anddonotobstructventilationinanyway.Thepowersupplyiscooledprimarilyviaconvection.Thus,never
coverthelaboratorypowersupply.
• Incasesafeoperation isnolongerguaranteed,ceaseuse of thedeviceimmediatelyandshieldit from
unintendeduse.Safeoperationisnolongerguaranteedwhen:
- thepowersupplyisvisiblydamaged,
- thepowersupplynolongerfunctions,
- thepowersupplywasstoredforanextendedperiodunderadverseconditionsor
- iftheproductwasdamagedduringtransport.
• Donotusethelaboratorypowersupplyasacharger.
• Thelaboratorypowersupplyisnotapprovedforuseonpersonsoranimals.
• Openinganycoversontheproduct or removing parts – unless this is possible byhand–mayexpose
voltage-carryingcomponents.Thisposestheriskoffatalinjuryduetoelectricshock!
• Disconnectthedevicefromthepoweroutletbeforeopeningit.
• Capacitorslocatedinthelaboratorypowersupplymaystillbechargedevenwhenthedeviceisunplugged.
• Onlyusefusesofthespeciedtypeandratedcurrent.Theuseofmendedfusesisnotpermittedasthis
posesarehazard!
• Forinstallationsinindustrialfacilities,followtheaccidentpreventionregulationsforelectricalsystemsand
equipmentofthegovernmentsafetyorganizationorthecorrespondingauthorityforyourcountry.
• Inschoolsandeducationalinstitutions,hobbyanddo-it-yourselfworkshops,theuseofthelaboratorypower
supplymustbesupervisedbytrainedstaff.
• Pleasehandletheproductcarefully.Jolts,impactsorafallevenfromalowheightcandamagetheproduct.
• Alsoobservethesafetyandoperatinginstructionsofanyotherdeviceswhichareconnectedtotheproduct.
• Consultanexpertwhenindoubtaboutoperation,safetyorconnectionofthedevice.
• Maintenance,modicationsandrepairsaretobeperformedexclusivelybyanexpertorataqualiedshop.
• If you have questions which remain unanswered by these operating instructions, contact our technical
supportserviceorothertechnicalpersonnel.
Operating elements
1 LEDdisplay“A”foroutputcurrent
2 LEDdisplay“V”foroutputvoltage
3 Controldial“COARSE”forroughvoltageadjustment
4 Controldial“FINE”forexactvoltageadjustment
5 Plussocketfordirectcurrentoutput
6 Socketforground(yellow-green)
7 Minussocketfordirectcurrentoutput
8 On/offswitch
9 Controldial“CURRENT”foroutputcurrentlimit
10 LEDdisplay“CV”foroutputvoltageregulation
11 LEDdisplay“CC”foroutputcurrentregulation
12 Airvents
13 Fuseholder
14 Mainssocket
Operating instructions
Version 04/16
BT-155 Laboratory power supply
Item no. 1389713
Intended use
Thislaboratorypowersupplyfunctionsasapotential-freesourceofpowerfortheoperationoflow-voltageunits.Ithasbeen
developedforuniversaluseintheresearch,development,manufacturing,serviceandtrainingelds.Theunitstobeoperated
areconnectedviathesocketsonthefrontofthedevice.Alloperatingcontrolsandindicatorshavebeenneatlyarrangedto
simplifyuse.Thecorrespondingpowerandvoltagevaluesareeasilyvisibleonthehigh-contrastLEDdisplay.Thecontroldial
onthefrontofthedeviceisusedtosetcurrentandvoltagesvalues.Thecurrentconsumptionofaconnectedunitmaynot
exceedthemaximumamperageaslistedundertechnicaldata.
Thelaboratorypowersupplyhasaprotectionagainstoverloadandvoltagereversal.ThedeviceconformswithprotectionclassI.
Ithasbeenapprovedforconnectiononlytoagroundedpoweroutletandalternatingvoltageof230V/AC,50Hz.
Operationunderadverseambientconditionsisnotpermitted.Adverseambientconditionsaredenedassuch:
• wetnessorhighhumidity
• dustandammablegases,vaporsorsolvents
• thunderstormsand/orsimilarconditions(avoidstrongelectrostaticeldsingeneral)
Forsafetyandapprovalpurposes(CE),youmustnotrebuildand/ormodifythisproduct.Ifyouusetheproductforpurposes
otherthanthosedescribedabove,theproductmaybedamaged.Inaddition,improperusecancausehazardssuchasshort
circuiting,re,electricshocketc.Readtheinstructionscarefullyandkeepthem.Makethisproductavailabletothirdparties
onlytogetherwithitsoperatinginstructions.
ThisproductcomplieswiththestatutorynationalandEuropeanrequirements.Allcompanynamesandproductnamesare
trademarksoftheirrespectiveowners.Allrightsreserved.
Delivery content
• Laboratorypowersupply
• Mainscable
• Operatinginstructions
Up-to-date Operating Instructions:
1. Openwww.conrad.com/downloadsinabrowserorscanthedisplayed
QRcode.
2. Select document type and language and enter the item number
into the search eld.After submitting the query you can download
displayedrecords.
Explanation of symbols
Thissymbolindicatesahealthhazard,e.g.electricshock.
Theexclamationmarkindicatesspecicrisksassociatedwithhandling,functionanduse.
The“arrow”symbolindicatesspecialtipsandoperatinginformation.
Theproductisintendedforuseonlyinindoordryspaces,itmaynotbecomemoistorwet.
ThisdeviceisCEcompliantandfulllsallapplicableEuropeanguidelines.
Groundpotential
Protectivegroundwireconnection;donotloosenthisscrew.
Safety instructions
Read the operating instructions carefully and especially observe the safety information. If you do not
follow the safety instructions and information on proper handling in this manual, we assume no liability
for any resulting personal injury or damage to property. Such cases will invalidate the warranty/guarantee.
• ThelaboratorypowersupplyconformswithprotectionclassIandissuitedforconnectiononlytoagrounded
poweroutlet(230V/AC,50Hz).Makesurethatthegroundconnectionisnotdefective/interruptedasthere
isariskoffatalinjuryincaseofmalfunction.
• Thisproductisnotatoy,keepitoutofthereachofchildren.
Childrencannotrecognizethedangersthatmayarisewhenhandlingelectricaldevices.Childrenmayalter
settingsorinsertobjectsintotheairventsonthelabpowersupply.Thisposesariskoffatalinjurydueto
electricshock!Alwaysusetheproductoutofthereachofchildren.
• Donotleavepackagingmateriallyingaroundcarelessly.Thesemaybecomedangerousplayingmaterial
forchildren.
• Thelaboratorypowersupplymaybesetupandusedonlyindry,closedindoorspaces.Itmaynotbecome
moistorwet.Thepowersupplymaynotbeexposedtoextremetemperatures,directsunlight,vibrationsor
mechanicalstress.
• Usethelaboratorypowersupplyonlyinmildclimates,neverinthetropics.Reviewthesectionon“Technical
data”toseethepermittedambientconditionsforoperation.
• Choosealocationforthelaboratorypowersupplythatisstable,even,cleanandsufcientinsize.
• Donothaveanyopenamesinthedirect vicinityofthelaboratorypower supplyanddonotplace any
containerswithliquidsonornearthedevice.