Zes Zimmer Electronic Systems, a Rohde & Schwarz company, is a privately owned entity based in Germany. Founded in 1980 and employing approximately 30 individuals, the company reported $3.9M in revenue as of 2023. Zes Zimmer Electronic Systems specializes in the product research, development, production, and sales of electronic measuring instruments and systems. Its technology focus includes wideband precision power meters in single and multiphase design, which are utilized in the production industry of electrical and electronic devices, research and development for product optimization, and the quality assurance sector.