Power Electronics and measuring techniques are key market activities to optimize the utilization of electrical energy. LEMSYS is here a determinant player which provides, high accuracy, performant and cost effective, test and measuring systems, as well as the associated services to the global market.





Based in Geneva, Switzerland, LEMSYS is a leading global provider of Test Equipment and associated Services for the Power Semiconductor industry.

Associated to the creation of the IEC 60747 standard, LEMSYS is, since 1972, the reference for dynamic and static parameter measurements of Power Semiconductors








LEMSYS offers an unique expertise from measurement techniques to complete system design.

Over more than 4 decades, LEMSYS acquired 
a deep knowledge in the following domains: