Rogowski Coil

100 mV/kA at 50 Hz
120 mV/kA at 60 Hz
Accuracy: better than 0.5%
Available in three sizes (table 1)
Calibrated during production
No need to calibrate for each device
Unlimited current range up to 100KA
Easy and safe to install (even for grouped cables, large and difficult reaching conductors)
No magnetic saturation since the rogowski coil has no magnetic core
No open circuit danger due to low voltage output
No overload danger
Wide bandwidth