Double Clamp Earth Resistance Tester applied with precise 4-pole, 3-pole and simple 2-pole method, selection method, double clamp method for grounding resistance measurement, The measurement of earth resistance, soil resistivity, earth voltage, AC voltage, grounding lead leakage current, AC current, DC resistance. 1. Model No.: ETCR3200 2. Erth resistance,Range：0.00Ω～30.00kΩ 3. Soil resistivity Range：0.00Ωm～9000kΩm 4. Test Frequency: 128Hz/111Hz/105Hz/94Hz(AFC) 5. Short-circuit Current:AC 20mA max 6. Power Supply:DC 9V (Alkaline dry battery LR14-1.5V )
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