In 1904, Emil Haefely founded Haefely AG. Based on a patented design for manufacturing resin-impregnated paper insulators, the company grew fast and expanded into high voltage testing in 1922. Over th
M Precision Laboratories, INC is a global supplier of Electromagnetic Compatibility (EMC) and Electrostatic discharge (ESD) systems and solutions (high voltage test devices). We now manufacture all le
