VLF Series - Electromechanical

VLF Series, our original power supply design with simple analog controls. The VLF Series uses an oil-immersed, conventional power supply design providing economical and easy to use options for cable testing. HVI’s VLF Series hipots demonstrate high reliability and can be serviced worldwide as needed.
VLF hipots perform voltage withstand tests and provide the voltage source for diagnostic cable testing. Customers frequently purchase tan delta and partial discharge measurement accessories along with VLF equipment to further extend their testing capabilities.
HVI provides the largest selection of VLF instruments, the most powerful and highest voltage models, and two design configurations:

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