About

About Setra Systems LLC About Setra Systems, Inc. Setra Systems is a leading provider of innovative sensing solutions serving HVAC, building automation, data center, and industrial markets. Setra delivers precise pressure, flow, level, and power measurement technologies that help customers optimize performance, efficiency, and reliability. Known for engineering excellence and rigorous quality standards, Setra designs and manufactures sensors trusted in critical applications worldwide, helping facilities operate smarter, safer, and more efficiently across commercial buildings and mission-critical environments around the world. Setra Corporate Headquarters and Production Facility Setra Systems, Inc. was founded in 1967 by brothers Dr.Y.T. Li and Dr. S.Y. Lee, both professors of engineering at the Massachusetts Institute of Technology and co-developers of the variable capacitance transduction principle. Building on this heritage of innovation, we continue to design and deliver sensing devices for many diverse applications and industries — innovating solutions for HVAC & building automation, industrial OEM, test & more!