... Manufacturer in China.power electric.Measure kWh, kvarh, Ampere, Volt, Frequency, power factor, active power, reactive power, active energy, reactive ... b,cosøc,cosø, Directional 1.000 0.2%5 Frequency Hz 70.00Hz 0.01HZ6 Active Power Wa, Wb, ... processing function4>Adopts bright back light and large high definition liquid crystal display screen 5>Power parameter,people-oriented operation. electric digital ...