With 4-wire method,3-wire method and simple 2-wire method, selection method, double clamp methodto measureearth resistance,DC currentsoil resistivity,earth voltage, AC voltage,grounding lead leakage current. 1. Model No.: ETCR3200C 2. 2/3/4-wire method measure earth resistance,Range: 0.00Ω ~ 30.00kΩ 3. Selection method meausre earth resistance, Range: 0.00Ω ~ 3000Ω 4. Doule clamp method measure earth resistance,Range: 0.00Ω~100Ω 5. Soil resistivity measurement, Range: 0.00Ωm ~ 9000kΩm 6. Earth voltage measurement,Range: AC 0.0 ~ 100.0V