Specification: Output voltage: 5000V Pulse frequency: 1kHz~1000kHz (Adjustable) Polarity: Positive, Negative or Positive/Negative automatic Source impedance: 5020% and 100020% Rise time of a pulse: 5ns30% Pulse width at 50: 50ns30% Pulse width at 1k: 35ns~150ns Burst duration: 0.01ms~20ms Burst period: 100ms~500ms Test time: 1s~9999s Testing functions: Set test mode freely or IEC Level Coupling/Decoupling Network: Built-in 20A with 3 phases/5 wires Working Power: AC220V (Option 110V) 10%, 50/60Hz