Extech Instruments MG500 Manual

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MG500-EU-EN v1.0 7/13

 CAUTION!READTHEMANUAL

FollowtheinstructionsintheManualforeverymeasurementtype.Readandunderstandthe

generalinstructionsbeforeattemptingtousethisinstrument.

SAFETYCHECK

Beforeusingthetesterchecktheconditionofthetestleads.

Thetestleadsmustbefreeofcracksoranydamagesandmustbeinsulated.

Alwaysdisconnectthetestleadswhenchangingthebatteries

Alwaysdoublechecktheleadconnectionsbeforemakinganymeasurements.Forincreased

safety,usefusedtestleads(optional).

Donottouchexposedwiring,connectionsorother"live"partsofanelectricalcircuit.Ifindoubt,

checkthe

circuitfirstforvoltagebeforetouchingit.

THISINSTRUMENTSHOULDONLYBEUSEDBYCOMPETENT,SUITABLYTRAINED

PERSONNEL.

CAUTION!RISKOFELECTRICSHOCK

CAUTION!READTHEMANUAL



Electricitycancausesevereinjuriesevenwithlowvoltageorcurrent.Itisextremelyimportantthat

thefollowinginformationbereadbeforeusingthisHighVoltageDigitalInsulationMeter.

This

instrumentmustonlybeusedandoperatedbycompetenttrainedpersonnelandinstrict

accordancewiththeinstructionsandsafetypractices.Liabilityisnotacceptedforanydamageor

injurycausedbymisuseornon‐compliancewithinstructionsandsafetyprocedures.

Thisinstrumentmustnotbeusedonlivecircuits.

Ensureallcircuitsarede‐energizedbefore

testing.

NeveropenthisHighVoltageDigitalInsulationMeterexceptforbatteryreplacement(See

BatteryReplacementsection).

AlwaysinspectthisHighVoltageDigitalInsulationMeterandtestleadsbeforeusingforany

signofabnormalityordamage.Ifanyabnormalconditionsexist(brokentest

leads,cracked

case,displayfaultyetc...)donotattempttotakeanymeasurementorusethetester.Return

theMeterforservice.

ThisVariableHighVoltageDigitalInsulationMeterhasalivecircuitwarning beeper.Ifitis

connectedtoalivecircuit,arapidpulsatingtonewillsoundand

awarningmessagewillbe

displayed.Inthiscase,stoptestingandimmediatelydisconnecttheinstrumentfromthe

circuitundertest.