High Voltage Inc. VLF Series Hipot Testers

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The High Voltage Inc. VLF Series is a line of very low frequency hipot testers with voltage ratings ranging from 30 kV – 200 kV, load ratings from 0.4 µF – 50 µF and cable lengths of over 50 miles. High Voltage Inc. VLF Series hipot testers perform voltage withstand tests and provide the voltage source for diagnostic cable testing, verifying the AC integrity of cables. The HVI VLF Series is ideal for AC for withstand stress tests and/or as a voltage source for tan delta and partial discharge diagnostic testing. Tan delta and partial discharge measurement accessories are frequently purchased along with VLF equipment to extend their capabilities. The VLF Series uses an oil-immersed, conventional power supply design protected under US Patent #6169406. These instruments are durable, economical, and easy to use.