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Multi-function power meter has functions of easurement, display, digital communication and electrical pulse output. It is able to accomplish power measurement, energy metering, data display, collection and transmission, and can be widely used for transformer substation, power distribution, intelligent building, company. It can measure current, voltage, active power, reactive power, apparent power, power factor, frequency, active energy, reactive energy, inductive capacitive energy, positive and negative reactive power. Specifications: Accuracy: Voltage/Current: 0.5%, 0.2%; Frequency:0.1%; Power,Power Factor:0.5% Display:4-digit Input Nominal:Current AC5A; Voltage:AC380V Overload: Continuous: 1.2times; Instantaneous: voltage 2times(10sec.), current 10times(5sec.) Frequency:50/60Hz±10% Power Supply Auxiliary Power Supply:AC220V±5% Power Consumption: