ZES ZIMMER – a Rohde & Schwarz Company since 2025 – is the sole high-tech company worldwide exclusively dedicated to high-precision power analysis. For more than four decades, power analyzers have been devised, developed, manufactured and sold to customers around the globe from ZES ZIMMER’s corporate headquarters in Oberursel (Frankfurt), Germany.
ZES ZIMMER's focus lies on broadband single-/three-phase precision power analyzers. The electric and electronics industry uses them in R&D and for quality assurance; test labs employ them to guarantee compliance with standards; and universities rely on them to train future generations of engineers and scientists.