Simultaneously monitor and record 1~3 channel of AC leakage currents, currents, and voltages. Used for the inspection of circuit insulation faults, monitoring of intermittent leakage faults, transformer core grounding current monitoring, cable grounding circulating current monitoring and other line current and voltage monitoring. 1. Model No.:ETCR8340 2. Current Range: AC 0.00mA~20A/60A/300A/600A/1000A/6000A(option) 3. Voltage Range: AC 0.0V~600V 4. Current Test Channel : 1~6 channel(option) 5. CT Caliber: Φ40mm/Φ60mm/64x16mm/Φ100mm(optional) 6. Power Supply: 6VDC~24VDC,50mA Max.(External power supply)