EXTECH MA61 [2/21] Introduction

MA44x‐en‐GB_V1.08/16

Introduction

ThankyouforselectingtheExtechEX44xSeries400AClampMeter.



TheMA440isa400AACClampmeterwithatotalof9functions.



TheMA443isa400ATrueRMSACClampmeterthatoffers10functionsincludingTRMSAC

measurementsandTypeKThermocouple



TheMA445is

a400AAC/DCTrueRMSClampmeterwith11functionsincludingDCCurrent,TRMS

ACmeasurements,andTypeKThermocouple.



TheMA44xseriesarehand‐held,4000countclampmeters.ThismeterseriesmeasuresAC/DC

voltage,ACcurrent,DCcurrent(MA445),resistance,diode,continuity,capacitance,temperature

(MA443andMA445),frequency,

anddutycycle.Inaddition,thesemetersofferDisplayhold,MIN‐

MAX(MA443andMA445),Relativemode,NCV(non‐contactvoltagedetection),andautomatic

powerOFF.



Inadditiontothemeter,thepackagingincludesInstructionaldocumentation(QuickStart),Test

Leads,K‐typetemperatureprobe(MA443andMA445),batteries,andapouch.



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checkforthelatestversionofthisUser

Guide,ProductUpdates,ProductRegistration,andCustomerSupport.

Safety

Toensurethesafeoperationandserviceofthemeter,followtheseinstructionsclosely.Failuretoobserve

warningscanresultinseverepersonalinjuryordeath.

TheseinstrumentsaredesignedandproducedinstrictaccordancewithIEC/EN61010‐1,IEC/EN61010‐2‐032,

andIEC/EN61010‐2‐033,safetystandards,andcomply

withthesafetystandardfordoubleinsulation,

overvoltageCATIII600Vandpollutionlevel2.Pleaseobservealloperationalandsafetyinstructions

otherwisetheprotectionprovidedbyinstrumentmaybecompromised.

TheseinstrumentsconformtoULstandard61010‐1,61010‐2‐032,61010‐2‐033;theseinstrumentsare

certifiedto

CSAstandardC22.2no.61010‐1,IECstandard61010‐2‐032,andIECstandard61010‐2‐033.

CATIII:Applicabletotestandmeasuringcircuitsconnectedtothedistributionsectionofabuilding’slow

voltagemainsinstallation;beforeuseoftheseinstrumentspleaseobserveandobeyallsafetyinstructions.

