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HIGH VOLTAGE,INC. – YOU CAN RELY ON HVI

High Voltage, Inc. new combination Model VT-33 VLF .1 Hz. AC Hipot, Cable Fault Locator & Burner receives a strong and positive industry welcome. The VT- 33 offers complete cable care for underground shielded power cables up to 25 kV class. It is the industries first VLF AC cable testing and fault finding/burner instrument in one self contained package.

The VT-33 provides a 0 to 33 kV peak AC.1 Hz Very Low Frequency (VLF) AC hipot mode meeting the adopted IEEE 400.2 standard for testing shielded power cables utilizing Very Low Frequency to hipot/proof test cables in lieu of the damaging effects of past DC hipot testing on service aged cables.

It also contains a variable 0 to 13 kV @ 760 joules capacitor discharge output for locating faults and a VLF burner to quickly reduce arc over voltages and fault impedances. A VLF Burner is much quicker compared to conventional DC burners. This is because of its use of alternating positive and negative polarities combined with the cables stored energy discharged into the fault every half cycle, rapidly reducing the fault's arc over voltage to a lower level.

The VT-33 is also TDR and Radar Ready with a built in Arc Reflection Filter. The VT-33 has all the tools needed in one box and is ideal for the many power cable maintenance applications of utilities, municipals, HV contractors, industrials, large education facilities, military campuses and mines.

For more information about the High Voltage, Inc. VLF Thumper, click on the link below:

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