Accuracy
0.02%, 0.05%, 0.1%
Power supply
External power ;Phase voltage supply; Li-Battery supply
Active power (direct connection)
±0.05% or ±0.02%
Active power (clamp CT)
±0.2% (1mA-120A)
Reactive power (direct connection)
±0.1% or ±0.05%
Reactive power (clamp CT)
±0.2% (1mA-120A)
Long term stability
<100x 10E -6 /Year