... can be tested, directly measure voltage, current, frequency, phase, power factor at work site3) Energy meter data memory: >4,000 ... (200A, 500A, 1,000A) is optional4) Voltage, current and power measurement accuracy: 0.05%5) Phase measurement accuracy: ±0.05 ... supply: AC 80 - 380V, shall obtain electricity from the test loop directly7) Power consumption: 15A8) Working conditions: temperature: -25 - +55°C, ...