ET Instrumente is an important German company located in Hockenheim with focus in the development and supply of complete measurement and testing systems for industrial electronics and photovoltaics. This solid experience leads to quality standard products as DC loads provided to end user or in integrated systems independently by OEM test equipment manufacturer. The quality and reliability of the products are the reason of the success of this company that with its own R & D constantly collaborates with the Fraunhofer Institute in Freiburg for the development of new projects.