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

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.



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

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