... /0-600V any volt/current input,C/T settable; RMS display; 3 alarm output,nalog 4-20mA. Single phase 8 digits Electrical ... ratio setfreely,true effective value measurement,mainly electricity value.can display parameter value of voltage/current/power/power factor/reactive power ... :0.2%, 8 digit high precise energy reading,demical floating display, power down memory function for 100 years.3, Output:3 ...