The portable, one-piece PGK 50 high-voltage test device for generating negative DC voltage up to 50 kV is primarily used for onsite testing of paper-insulated mass-impregnated cables in the medium-voltage network. The high voltage is generated through a high-voltage transformer with secondary voltage-multiplier. The internal operating frequency of 20 kHz enables the smallest of device dimensions.

The portable high voltage devices PGK 50/80 for generation of negative high voltage up to 50, or 80 kV are designed for at site testing of paper-insulated mass-impregnated cables in medium voltage networks. High voltage is generated by a high voltage transformer and a voltage multiplier. Thanks to an internal operating frequency of 20 kHz small dimensions are possible. Packaged in a handy carrying case with handles and carrying strap, the PGK units are portable and well equipped for field applications.