With 4-wire method, 3-wire method and simple 2-wire method, selection method, double clamp method to measure earth resistance, DC currentsoil resistivity, earth voltage, AC voltage, grounding lead leakage current.
Import FFT (Fast Fourier Transform Algorithm) and AFC (Automatic Frequency Control) technology. With unique antijamming capability and environmental adaptability, high consistency of retest.
Unique designed plug receptacle indicator, accurately indicating the location of the plug receptacle, operation convenient. With function selection knob, all test methods clear to display, operate simple and fast.
Package with waterproof protection box, waterproof, crash proof, anti-drop and durable, large-capacity rechargeable lithium battery pack, especially suitable for application at outdoor construction site