Current Transformer 1.5 inch diameter conductors Measurements on bare conductors to 3000 V Nullifies Dc effects to 300 A with Dc Bucking Coil Pulsed Currents to 50 kA Clip-on high current transformer that extends the measurement capability of the Tektronix P6021 and A6302 clip-on probes Rise Time - 17.5 ns or less Insertion Impedance - <= 20 µohms at 60 Hz; 20 m ohms at 1 MHz Current Range - 20 mA/div to 100 A/div with A6302/AM503, and 20 mA/div to 20 A/div with P6021/134 (20:1 step down ratio) 1 A/div to 5 kA/div with !6302/AM503, 1 A/div to 1 kA/div with P6921/134, (1000:1 step down ratio) Maximum Voltage of Circuit Test - 3000 V (barewire) Maximum Dc Bucking Current - 300 mA to buck out 300 A dc (using dc bucking coil)