The VT33 is the world’s only combination VLF Hipot and cable fault locator, or thumper. It is the complete tool for AC testing and fault locating cables rated up to 25kV. It offers a 33kVac peak VLF output, VLF Cable Burn mode, and a 760-joule discharge output. It is fully TDR/radar ready.

  • TDR-ready, arc-reflection and current pulse methods
  • Built in high voltage coupler for TDR interconnect
  • Variable discharge rate
  • High VLF burn current
  • Portable, hand truck mounted
Input: 120V, 60Hz, 10A or 230V, 50/60Hz, 5A
Output: 0 – 33kVac peak @ 0.1Hz (VLF)
Discharge Output: 0 – 13 kVdc @ 760 joules Every 8 seconds
Load Rating: 1µF – capable of testing greater than 1.6km of 25kV rated cable
VLF Burner: Arcs cable every few seconds using cable energy to burn.
Voltmeter: 3.5″, 0-33kVac peak, 2% FS accuracy
TDR Interface: Arc Reflection & Current Impulse
Cable Outputs: 15m shielded
Ground cable: 15m
Size & Weight:
Overall: 711mm w x 660mm d x 1118mm h, 111kg