... AC Voltage: 0.00 V~600V, Active Power: 0.0W~12kW, with RS232 interface to download data, Date Storage: ... , phase between voltage and current, frequency, phase sequence, active power, reactive power, apparent power, power factor, distinguish ... computer for analysis and managementAutomatic ShutdownAutomatic shutdown about 15 minutes later after launching to reduce battery consumptionBacklightingSuitable ...