Extech Instruments MG500 Uživatelský manuál Strana 3

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MG500-EU-EN v1.0 7/13
3
CAUTION!READTHEMANUAL
FollowtheinstructionsintheManualforeverymeasurementtype.Readandunderstandthe
generalinstructionsbeforeattemptingtousethisinstrument.
SAFETYCHECK
Beforeusingthetesterchecktheconditionofthetestleads.
Thetestleadsmustbefreeofcracksoranydamagesandmustbeinsulated.
Alwaysdisconnectthetestleadswhenchangingthebatteries
Alwaysdoublechecktheleadconnectionsbeforemakinganymeasurements.Forincreased
safety,usefusedtestleads(optional).
Donottouchexposedwiring,connectionsorother"live"parts of an electricalcircuit.If in doubt,
checkthe
circuitfirstforvoltagebeforetouchingit.
THISINSTRUMENTSHOULDONLYBEUSEDBYCOMPETENT,SUITABLYTRAINED
PERSONNEL.
CAUTION!RISKOFELECTRICSHOCK
CAUTION!READTHEMANUAL
Electricitycancausesevereinjuriesevenwithlowvoltageorcurrent.Itisextremelyimportantthat
thefollowinginformationbereadbeforeusingthisHighVoltageDigitalInsulationMeter.
This
instrumentmustonlybeusedandoperatedbycompetenttrainedpersonnelandinstrict
accordancewiththeinstructionsandsafetypractices.Liabilityisnotacceptedforanydamageor
injurycausedbymisuseornoncompliancewithinstructionsandsafetyprocedures.
Thisinstrumentmustnotbeusedonlivecircuits.
Ensureallcircuitsaredeenergizedbefore
testing.
NeveropenthisHighVoltageDigitalInsulationMeterexceptforbatteryreplacement(See
BatteryReplacementsection).
AlwaysinspectthisHighVoltageDigitalInsulationMeterandtestleadsbeforeusingforany
signofabnormalityordamage.Ifanyabnormalconditionsexist(brokentest
leads,cracked
case,displayfaultyetc...)donotattempttotakeanymeasurementorusethetester.Return
theMeterforservice.
ThisVariableHighVoltageDigitalInsulationMeterhasalivecircuitwarning beeper.Ifitis
connectedtoalivecircuit,arapidpulsatingtonewillsoundand
awarningmessagewillbe
displayed.Inthiscase,stoptestingandimmediatelydisconnecttheinstrumentfromthe
circuitundertest.
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