SensortechnikMeinsberg STM is a manufacturer of high-quality electrochemical sensors and analytical instruments, and particularly known for its pH sensor design and manufacturing expertise. STM is the industry leader in low-cost electrode manufacturing and a drinking water application specialist. STM boasts strong brand recognition for online electrochemistry analysis and a recognized premier player in eastern-Germany drinking water analysis, with additional success in other markets, such as South Korea. STM is also an OEM supplier of instrumentation and sensors for the drinking water, swimming pool and aquarium markets.