Measure three-phase AC voltage, leakage current, current, active power, reactive power, apparent power, total power, phase between current and voltage, phase between phase voltage, frequency, electric energy, phase sequence, etc. 1. Model No.: ETCR7300 2. Measurement of AC current, leakage current, Range: 0.00mA~1200A 3. Measurement of three phase AC voltage, Range: 0.00V~600V 4. Measurement of phase between UI and UU, Range: 0.0°~360° 5. Measurement of active power, reactive power, apparent power, power factor, total power, frequency, phase sequence, electrical energy and other parameters 6. Power Supply : 6V DC(LR6×4 alkaline dry batteries)