1.Precision 4-wire, 3-wire, simple 2-wire measurement method to measure earth resistance, soil resistivity, earth voltage
2.Import FFT (fast Fourier transform) technology, AFC (automatic frequency control) technology, with unique anti-interference ability and environmental adaptability, high repeated test consistency.
3.The large LCD display of host machine is with white backlight and bar graph indicating that can be seen clearly.
4.With USB interface, data upload function, storage data can upload to computer save and print.
5.Audible and visual alarm and overload protection function