1.1GeneralintroductionSuppliedwiththenewtypedifferentfrequencyACpowersupply,Itadoptsmicroprocessortocontrolandprocesssignal,whichsolveproblemsoftheinterferencebetweentestleadisusedtotestgroundingresistanceindifferentplacessuchassubstationgroundnetwork(4Ω),powerstation,microw***estation(10Ω),lightningrod(10)andsoon.1.2TechniqueindexMeasuringrange:0~15ΩPrecision:3%Measuringcurrentoutput:AC<3ATestwires:>φ1.2mm2Powersupply:AC220V50HzSize:370*270*220mm3Weight:5kgContact:michelleEmail:oilpurifierlily@lfywo@Oilpurification87@Skype:oilpurifier2010Msn:lfywo@Mobile:+86-15909333942Fax:+86-23-62940030Web:http://www.oilpurifierlily.http://ChongqingGoldMechanical&ElectricalEquipmentCo.,LtdNo.9-10,23NanpingWestRoad,NanpingStreet,Nan'anDistrict,Chongqing,China)