Extech Instruments MG310

3 MG310-en-GB_V1.0 12/15
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Warning
 Iftheinstrumentexhibitsfaultyoperationpleasediscontinueuseandhavetheinstrument
serviced.
 Beextremelycarefulwhentheinstrumentsismeasuringvoltagesthatexceed33VACrms,
46.7VACrms,or70VDC;electricalshockispossible.
 Whenhighresistancemeasurementsareconducted,strayelectricalincircuitsunder
test
mustbedischarged.
 Donotreplacethebatterieswhentheinstrumentiswet.
 Ensuresecureconnectionswiththetestleadsandtheinstrument’stestleadterminals.
 Shuttheinstrumentdownbeforeopeningthebatterycompartment.
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Caution
 Circuitsundertestmustbecompletelydischargedandisolatedfrompowercircuitsbefore
takingresistancemeasurements.
 Ifthetestleadsoradaptorsneedtobereplacedduetodamage,replacewithtestleadsor
adaptorsofthesamemodelorelectricalspecifications.
 Donotusetheinstrumentif
lowbatteryindicatorshowsthelowbatteryindicator.Ifthe
instrumentwillnotbeusedforalongperiod,pleaseremovethebatteryandstoresafely.
 Donotstoreoroperatetheinstrumentinareasofhightemperature,highhumidity,flameor
explosivepotentials,orwherestrongelectromagneticfields
exist.
 Cleantheinstrumenthousingwithadampclothandmildcleaningagent;donotuse
abrasivesorsolvents.
 Iftheinstrumentiswet,pleasedrybeforestoring.
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ElectricalSafetySymbols
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Riskofelectricalshock
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Doubleinsulationorreinforcedinsulation
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ACMeasurement
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Ground
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