Duoyi 4-Terminal Earth Ground Resistance and Soil Resistivity Tester
Features:
Item NO.:DY4300B
Series interference voltage Ust(AC only) 0 to 50.9Vrms
Measures frequency 400 to 500Hz
Measureing Voltage Um optional/auto-selected 10Vrms 94Hz, 105Hz, 111Hz, 128Hz
Test current maximum 80mA
Advance filtering method based on FFT(fast fourier transform) reduces noise interference
Compensation for residual resistance Rk
Data Memory 1000 sets
Conforms to CATIV 150V, CATIII 300V
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