DUOYI DY4300A 4-Terminal Multimeter Tester Electrical Instrument Earth Ground Resistance and Soil Resistivity Tester by DUOYI

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4 pole earth resistance measurement 0 to 20.99kĦ with min. resolution 0.01Ħ, Auto ranging soil resistivity measurement 0 to 395.6kĦm, Measureing Voltage Um optional/auto-selected 10Vrms 94Hz, 105Hz, 111Hz, 128Hz, Advance filtering method based on FFT(fast fourier transform) reduces noise interference, Data Memory 1000 sets
DUOYI DY4300A 4-Terminal Multimeter Tester Electrical Instrument Earth Ground Resistance and Soil Resistivity Tester