Extech Instruments DC400 User manual

BAT
USERGUIDE
400AMiniDCClampMeter

ModelDC400
contact:
[email protected]
www.ponpe.com

2DC400‐en‐GB_V2.007/15
Introduction
ThankyouforselectingtheExtechInstrumentsModelDC400clampmeterthatmeasuresupto
400ADC.Thisdeviceisshippedfullytestedandcalibratedand,withproperuse,willprovideyears
ofreliableservice.Pleasevisitourwebsite(www.extech.com)toregisterthemeterandtocheck
forthelatestversionofthisUserGuide.
Features
 HighAccuracyandResolution
 Large4000countLCDdisplay
 Onetouch“AutoZero”
 DataHoldandAutoPowerOfffunctions
 30mm(1.2”)Jawdiameter
Safety
InternationalSafetySymbols
Thissymbol,adjacenttoanothersymbolorterminal,indicatestheusermustrefertothemanualfor
furtherinformation.

Thissymbol,adjacenttoaterminal,indicatesthat,undernormaluse,hazardousvoltagesmaybe
present

Doubleinsulation
SafetyNotes
Donotexceedthemaximumallowableinputrange.
SetthefunctionswitchOFFwhenthedeviceisnotinuse.
Removethebatteryifthedeviceistobestoredforlongerthan60days.
Neverdisposeofbatteriesinafire.Batteriesmayexplodeorleak.
Nevermixbatterytypes.Alwaysinstallnewbatteriesofthesametype.
Warnings
Setfunctionswitchtotheappropriatepositionbeforemeasuring.
Donotmeasurecurrentonacircuitwhosevoltageexceeds600V.
Cautions
Improperuseofthismetercancausedamage,shock,injuryordeath.Readandunderstandthisuser
manualbeforeoperatingthemeter.
Inspecttheconditionofthemeterforanydamagebeforeoperatingthemeter.Repairanydamage
beforeuse.
Iftheequipmentisusedinamannernotspecifiedbythemanufacturer,theprotectionprovidedbythe
equipmentmaybeimpaired.
contact:
[email protected]
www.ponpe.com

3DC400‐en‐GB_V2.007/15
Specifications
GeneralSpecifications
Display3‐3/4digit(4000count)LCD
FunctionsAmperesDC
Polarity‘‐‘indicatesnegativepolarity
CurrentsensorHalleffectsensor
Overloadindication“OL”
DCAzeroadjustOnetouchzerobutton
AutoPowerOffAfterapprox.15minutes
Displayrate2updatespersecond(approx)
BatteryOne9VBattery
Operatingtemp.‐10oCto50oC(4oFto122oF)
OperatingHumidity<85%RH
Powerconsumption14mA(typical)
Weight290g(10.3oz.)includingbattery
Dimensions208x43x30mm(8.2x1.7x1.2”)(HxWxD)
Jawopening30mm(1.2”)
SafetyratingIEC1010CategoryII600V
RangeSpecifications
FunctionRangeResolutionAccuracy(%ofreading)Overloadprotect
DCCurrent40.00A10mA
±(3.5%+3digits)400ADC
400.0A100mA
Description
1. Currentsensingjaw
2. Measurementtrigger
3. Functionswitch
4. DataHoldbutton
5. One‐touchDCAzerobutton
6. LCDDisplay
BAT
1
www.ponpe.com
contact:
[email protected]

4DC400‐en‐GB_V2.007/15
Operation
DCCurrentMeasurements
1. SettheFunctionswitchtothe40Aor400ADCrange.
2. Withnoconductorinthejaws,presstheZERObuttontonullthemeterdisplay.
3. PresstheTriggertoopenthecurrentsenseJaw.
4. Fullyencloseoneconductortobemeasured.Donotallowagapbetweenthetwohalvesof
thejaw.
5. ReadtheDCAvalueonthedisplay.

DataHold
TofreezethecurrentreadingontheLCD,presstheHOLDbutton.ToreleasetheDataHold
functionandreturnthemetertonormaloperation,presstheHOLDbuttonagain.


Maintenance
BatteryReplacement
1. WhenthelowbatterysymbolappearsontheLCDthebatterymustbereplaced.
2. Removetheorangerubberizedcover.
3. Removethebatterycompartmentscrew.
4. Liftoffthebatterycompartmentcoverandreplacethe9Vbattery.
5. Replacecompartmentcoverandsecurethescrew.


Neverdisposeofusedbatteriesorrechargeablebatteriesinhouseholdwaste.
Asconsumers,usersarelegallyrequiredtotakeusedbatteriestoappropriatecollectionsites,
theretailstorewherethebatterieswerepurchased,orwhereverbatteriesaresold.
Disposal:Donotdisposeofthisinstrumentinhouseholdwaste.Theuserisobligatedtotakeend‐of‐life
devicestoadesignatedcollectionpointforthedisposalofelectricalandelectronicequipment.

Cleaning
Useonlyadryclothtocleanthemeterhousing;donotusecleaningagents,abrasives,or
solvents.



Copyright©2013‐2015FLIRSystems,Inc.
Allrightsreservedincludingtherightofreproductioninwholeorinpartinanyform
www.extech.com
contact:
[email protected]
www.ponpe.com