... regulator0~1000V,0~30A0~1000V,0~30AConnect external voltage booster0~1650V,0~3A0~2000V,0~3ACTTurns ratio testPrimary currentInstrument only0~600A, Connect external current injection0 ... ,0~30AConnect external voltage booster0~1650V,0~3A0~2000V,0~3ASecondary voltage0~200VAccuracyvolt-ampere characteristics test0.5%Turns ratio error curve 0.5%Turns ratio test0.5 ...