... -range,class0.05/0.1Voltage measurement range:0-220v,0-120%, adjustment fineness:0.01 full rangeCurrent measurement range:0-100a ... ,0-120%, adjustment fineness:0.0001Phase shift:0-360°C, adjustment fineness ... ,3-2,1-4-3-2) can be performed 1-PH KWH Meter Test Bench