VLF 40 & 60 Brochure
Updated output voltage specs for the VLF-40 and VLF-60 Models

VLF 8 Page Brochure
Offers complete product information, application and use information, VLF Cable Burning explanation, and tips on selecting the right model.

Wind Farm Cable Testing
You just installed miles of high voltage cable and now you need to test your installers workmanship. Which high voltage cable test method do you use? Read this article to find out.

Wind Farm Cable Testing Products
The HVI VLF AC cable testing and fault locating products are ideal for wind farm applications: from just a VLF tester to a complete test and locate van package.

AC Dielectric Test Sets - HPA Series
HVI now offers a full line of high power AC Test Sets

VLF Data Logger
Now the best of both worlds: HVI's manually controlled, easy to operate VLF hipots now with full data logging capability. Perfect for testing contractors.

VLF Thumper/Surge Generator Upgrade - Ideal Tool For 5/15/25 kV Cable Care
New brochure describing the improved VT33, now with a 13kV @ 760 joule discharge to go with its 33 kV @ 1 uf VLF output. VLF testing, VLF cable fault burning, fault locating, & TDR/radar

Fault Locator/Surge Generator 8 Page Brochure
Offers complete product information, an explanation of why HVI thumpers are superior, a discussion on VLF testing, how to choose a VLF & thumper combination for all cable ratings, and available accessories.

Automatic Oil Dielectric Tester DTS-60A Brochure
HVI offers a new and better alternative for an automatic, fully programmable 60 kV liquid dielectric tester.

How To Select a VLF Model

Testing Contractors - VLF Testing and Fault Locating Product

*Click on any item to download Brochure.