Products from the USA may come with an input voltage of 110V–120V, requiring a step-down transformer. Check the device wattage to select the correct power converter.
•4 pole earth resistance measurement 0 to 209.9k¦¸ with min. resolution 0.001¦¸
•Auto ranging soil resistivity measurement 0 to 1999k¦¸m
•Advance filtering method based on FFT(fast fourier transform) reduces noise interference
•Data Memory 1000 sets
•Measureing Voltage Um optional/auto-selected 10Vrms 94Hz, 105Hz, 111Hz, 128Hz
