Weidmuller Power Monitor Handbuch Seite 233

Specifications
Power Accuracy *
Temperature Accuracy
*1 Without error of current transformers (CT) and voltage transformers (VT)
It measures from 0.1 % of CT secondary current.
1435710000/01/05.13
1.0 % Active power
1
Reactive power
±5.0 % (after ambient temperature correction with setting mode)
*Passing 2 hours or more after energised.
Class 1 (IEC 62053-21)
Class 2 (IEC 62053-23)
111