digital single phase AC voltmeter 1.CCC CE approved ... times instantaneous 2 times/30 secConsumption<1VA(each phase)Impedance>500kΩCurrentRated valueAC1A,5AOverloadConsistent 1.2 times ... instantaneous 2 times/30 secImpedance<20mΩ(each phase)Frequency45-65HZ(Available in 30%—120% of ... input,output ,source,dasing>20mΩEnvironmentTemperatureOperation:-10—50°C Storage:-25—70°CHumidity≤85%RH,free of ...