Descriptions:4 pole earth resistance measurement 0 to 20.99k?? with min. resolution 0.01??Auto ranging soil resistivity measurement 0 to 395.6k??mSeries interference voltage Ust(AC only) 0~30VrmsMeasures frequency 400~500HzMeasureing Voltage Um optional/auto-selected 10Vrms 94Hz, 105Hz, 111Hz, 128HzTest current maximum 10mAAdvance filtering method based on FFT(fast fourier transform) reduces noise interferenceCompensation for residual resistance RkData Memory 1000 setsConforms to CATIV 150V, CATIII 300VPackage Includes:1 x DY4300A Earth Resistance Tester1 x Set Of AccessoriesDetails Pictures:
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