Extech Instruments MG500 User Manual download pdf (Page 6)

MG500-EU-EN v1.0 7/13

MeterPreparation

Warning:Ensurethatthecircuitundertestdoesnotincludedevicesorcomponentsthatcanbe

damagedby10KVDC;suchdevicesincludepowerfactorcorrectioncapacitors,lowvoltagemineral

insulatedcables,electroniclightdimmers,ballastsandstartersforfluorescentlamps.



ConnectingtheTestLeadstothemeter

o ConnecttheRed(Line)testleadtotheRedtestjackonthemeter.

o Connectthebluelead(attachedtotheRedtestlead)totheBluetestjackonthemeter.

o ConnecttheGreen(Earth)testleadtotheGreentestjackonthemeter.



OptionalLeakageguard

ConnecttheoptionalBlue(Leakageguard),testleadtotheBluetestjack.

NOTE:TheBlue(Leakageguard)leadisattacheddirectlytothetopoftheBlueguardleadofthe

Redtestlead.



ConnectingtheTestLeadstothedeviceundertest

Warning:makesurethatthecircuitundertestisde‐energized.



o ConnecttheGreen(Earth)leadtotheEarthorgroundsideoftheinsulatorunderTest.

o ConnecttheRed(Line)testleadtotheothersideoftheInsulatorundertest.

o OptionalLeakageguard:Connectthe

Blue(Guard)leadtotheinsulatorsheathingand

coveringmaterialasshownonthediagram.Useacopperwirewrappedaroundthe

insulatorataboutitscenter.



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Extech Instruments MG500 User Manual Page 6