Adopt2-wire method, 3-wire method to measure grounding resistance,grounding voltage.
1. Model No. : ETCR3000A+
2. Grounding Resistance Range : 0.10Ω~2000Ω
3. Grounding Voltage Range : 0~200V AC
4. Display LCD: LCD:58mmX46mm
5. Measurement Tim : Earth resistance: 15 seconds/time;Voltage to earth : 2 times/second; Current: 2times/s
6. Power Supply : DC9V, R6 AA dry batteryX6PCS