VLF/Thumper Combo

VT-33(F)

The VT-33 is the world’s only combination VLF hipot and cable fault locator, or thumper. It is a complete tool for AC testing and fault locating cables rated up to 25 kV. It offers a 33 kV AC peak VLF output, VLF cable burn mode, and a 760 J discharge output up to 13 kV. It is also TDR/radar ready.

Features:

  • 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

Built in VLF Hipot for cable testing per IEEE 400.2, VDE 0276, CENELEC, etc

Input: 120 V, 60 Hz, 10 A
(F): 230 V, 50/60 Hz, 5 A
Hipot Output: 0 – 33 kV AC peak @ 0.1 Hz
Load Capability: 1 µF—can test more than 1 mile (1.6 km) of 15 kV and 25 kV cable
Discharge Output: 0 – 13 kV DC @ 760 J
Discharge Rate: Every 8 seconds
VLF Burner: Arcs cable every few seconds to reduce fault voltage
TDR Interface: Internal – arc reflection and current impulse
Size and Weight:
(W x D x H)
28 x 26 x 44 in., 245 lb.
711 x 660 x 1118 mm, 111 kg
Output Termination 50’/15 m shielded HV cable and ground




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