User Manual
MA61_MA63-en-GB_V1.0 3/15
2
Introduction
ThankyouforselectingtheExtechInstrumentsTrueRMSMiniClampMeter.TheMA61
measuresACCurrentwhiletheMA63measuresACandDCCurrent.Bothmetersalsomeasure
AC/DCVoltage,Frequency,Resistance,Capacitance,Diode,andContinuity.
TheMiniClampMetersmeasurecurrentinthreeACranges600mA,6000mA,and
60A.The
MA63onlymeasuresDCcurrentintworanges6000mADCand60ADC.
TheclampmetersofferadvancedfeaturesthatincludesNCV(non‐contactvoltage)detection
andVFC(variablefrequencycontrol)thatinsertsalowpassfilterinthe measurementcircuit.
Thisdeviceisshippedfullytestedandcalibratedand,withproperuse,willprovideyearsof
reliableservice.Pleasevisitourwebsite(www.extech.com)tocheckforthelatestversionof this
UserGuide,ProductUpdates,ProductRegistration,andCustomerSupport.
Features
• TrueRMSforaccuratereadingsofnoisy,distorted,ornon‐sinusoidalwaveforms
• ModelMA61forACCurrent,AC/DCVoltageMeasurements,andRelativefunction
ModelMA63forAC/DCCurrent/VoltageMeasurements,andZerofunction
Frequency,Resistance,andCapacitanceMeasurements
• Compact0.7"(17mm)jawsizeaccommodatesconductorsupto
300MCM
• VariableFrequencyControl(VFC):Lowpassfilterforaccuratemeasurementofvariable
frequencydrivesignalsbyfilteringhigh‐frequencyinterference.
• Built‐inNon‐ContactVoltage(NCV)detector
• Fullrangeoverloadprotection
• 6000countbacklitLCDdisplay
• DataHoldfreezesreadingondisplay
• Low
batteryindicatorandAutoPowerOfffeaturewithdisable
• CATII‐600VCATIII‐300Vsafetyrating
• Completewithtestleads,carryingcase,andtwoAAAbatteries