News & Events

Rentals Available

Do you have short term requirements for our testing equipment? If purchasing equipment isn't practical for your business at this time, please consider the following Diagnostic Test Equipment Rental providers.

Upcoming Events

Join us at NETA's 2022 PowerTest Conference & Exposition in Denver, CO!

EARLY BIRD REGISTRATION OPENS - NOVEMBER 1, 2021

HVD is Booth 5149 at the 2022 T&D Conference & Exposition in New Orleans, LA!

REGISTRATION OPENS - LATE FALL 2021

Latest News

Electricity Today

Check out our recent article published by Electricity Today in the Special Edition on HV Electrical Testing!

Cable Testing Comes of Age - One Cycle at a Time

"Field Testing of MV and HV cables has come a long way in recent decades. Gone are the days of old, when the traditional DC (Direct Voltage/Current) hipot was the recommended method for testing these modern cables that form the critical backbone of the distribution electrical power network. Extensive research, often rooted in the hard lessons learned through negative experiences in the field, has brought about changes to and improvements in the approaches and methods used when testing MV and HV cables. The traditional high voltage "DC Hipot" and/or the routine insulation resistance measurement may still be a viable and useful technique for testing various types of electrical apparatus. However, when it comes to shielded MV and HV cables..."  Read more here

Product Announcements

NEW 200kV - Model HVA200

The New 200kV !! Model HVA200 mounted conveniently on a mobile trailer. A very cost effective, fast and efficient setup to test your transmission class cables.

Available options include Tan Delta and / or Partial Discharge