The TOS9300 series is a high performance electrical safety analyzer that complies to a wide range of universal standards. Hipot, Insulation Resistance, Ground Bond, Leakage Current (touch current and protective conductor current) and partial discharge can all be tested. A total of 6 models are available for standard compliance tests in a wide variety of applications including R&D, quality assurance manufacturing lines and laboratory tests. This product generates high voltage! The use of this product requires knowledge of electricity.Improper handling or operation of this product can be very dangerous, so be sure to read the instruction manual carefully and use this product properly.