China DC Resistance Tester Winding Resistance Tester DC Resistance Meter

20A Transformer Coil Winding DC Resistance Tester for 110KV 220KV Distribution TransformerIntroduction:GDZCSeries 200A DC Resistance Tester, Transformer DC Resistance Meter usesConstant current source tomeasuretheDC resistancDiamond Tools eofinductance circuitsuchaspowertransformercoil, currenttransformercoilandsoon.
Thetesterhasfunctionsofselftest,dataprocessing,dischargerapidly,resultprintandsoon.Functions:Anewswitchingpowersupplytechnologymakesoutputcurrentmorestableandpowerlargerthanbefore.
Thetesterhasanadvancedsignalprocesscircuitwhichhasagoodperformanceatanti-noise. Testdataispreciseandstable.
Thetesterhasprotectionstopreventcircuitover-current,circuitover-voltage,wrongoperation,dischargeandsoon.
Smallsize,lightweightandmoresuitableforoutdoorusing.
Varieslevelsofoutputcurrentmakemeasuringrangemorewide.
Large-screenLCDmakesoperationeasy.Specifications:
ItemGDZC-2GDZC-10GDZC-20GDZC-40GDZC-100GDZC-20STestcurrent2A10A20A40A25A,50A,100ASinglephase:1A,5A,10A,20A,40A
Threephase:1A,5A,10A,20AMeasuringrange1μΩ~
4.5kohm1μΩ~
20ohm1μΩ~
10ohm1μΩ~
10ohm50μΩ-200mΩ(100A)100μΩ-400mΩ(50A) 200μΩ-800mΩ(25A)SinglElectronic Tube & Transistor ephase:
10mΩ~20Ω(1A)
1mΩ~4Ω(5A)
1mΩ~2Ω(10A)
1mΩ~1&Tag & Sign Omega;(20A)
1mΩ~0.5Ω(40A)Three-phase:
10mΩ~6Ω(1A,eachphase)
1mΩ~1Ω(5A,eachphase)
1mΩ~0.6Ω(10A,eachphase)
1mΩ~0.3Ω(20A,eachphase)Resolution1μΩMax.Error0.2%RDG+2DMilitary Voltageoutput20VResolution1μΩPowersupplyAC220V±10%%50Hz/60HzElectronic Instrument Workingenvironment-10ºC-+40ºCRH≤85%Real Pictures: