rogowski coil flexible current transformer

Current range 1000A/85mV at 50Hz. Accuracy less than 1%. Phase shift less than 1 degree at 50/60Hz, typically less than 0.5 degree. Linearity plus minus 0.2% from 10% to 100% of rated primary current. Primary conductor position sensitivity plus minus 2% maximum. Influence of external field plus minus 1.5% maximum. Coil working voltage 1000 VRMS or 1000 VDC.