EXTECH MG320 [3/12] Electrical safety symbols

3 MG310-en-GB_V1.0 12/15



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.



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.



ElectricalSafetySymbols



Riskofelectricalshock



Doubleinsulationorreinforcedinsulation



ACMeasurement



Ground

