Specifications

382275/6-EU-EN v4.3 3/14
2
Introduction
CongratulationsonyourpurchaseoftheExtech382275(110V)or382276(220V)SingleOutput
LaboratoryGradeDCPowerSupply.
Thedualaction(coarse/finetune)rotaryencoderallowsforquickandprecisevoltageand
currentleveladjustments.Setting,changing,andcheckingthecurrentlimitlevelcanbe
performedeasilywithoutsparkingtheoutputpoles.
Theremotecontrolfeatureallowstheusertoremotelyperformthefollowingtasks:
OutputpowerON/OFF
VoltageandCurrentLevelAdjustments
Thethreeuserpresetsfacilitatequickaccesstofrequentlyusedvoltageandcurrentsettings.
Thispowersupplyisshippedfullytestedandcalibratedand,withproperuse,willprovideyears
ofreliableservice.
Safety
WARNING
Donotusethispowersupplywithelectricmotorsorforchargingpurposeson
electroplatingequipmentorsimilardevices.ReturnEMFandvoltagetransientsgenerated
byelectricmotorscandamagethispowersupply.Thispowersupplywasdesignedforuse
onelectronicequipmentonlyandnotintendedforuse
onelectricalequipmentofany
kind.
Donotusethispowersupplynearwater.
Donotoperateortouchthispowersupplywithwethands.
DonotopenthecasingofthepowersupplywhenitisconnectedtoACpower.
Referallservicingtoqualifiedservicepersonnelonly.
Beforereplacingthefuse,identify
andfixanyproblems.
Replacethefusewithafuseofthespecifiedtypeandrating.
CAUTION
Useagrounded3pinACsource.
Thisunitisintendedforindooruseonly.
Donotoperateorplacethisunitindirectsunlightorinahumidlocation
Avoidenvironmentswheredustordirtcanenterthepowersupplycasing.
Donotplacethepowersupply
nearaheatsource.
BeforepluggingintolocalACmains,checktheratinglabelatthebackoftheunitfor110Vor220V
operation.Themodel382275canbepoweredby110Vonly.Themodel382276canbepoweredby
220Vonly.
Donotblocktheventilationopeningsof
theunit.
Thisunitmustbeusedwithinthespecifiedrating;excessivecontinuousloadingmaycausedamageto
thepowersupply.
Thegaugesizeoftheinputpowercablemustbeatleast3“(0.75mm)andthetotallengthofpower
cablemustnotexceed118”(3m)