About TriOS

TriOS is a leading manufacturer of optical measurement technology, specializing in advanced optical immersion sensors for waste water treatment and water quality monitoring. Its portfolio includes photometers, fluorometers, and precision sensors for measuring parameters such as COD, TOC, nitrate, and turbidity. Serving drinking water, wastewater, environmental, and industrial applications, TriOS is recognized worldwide for its reliable and innovative monitoring solutions.

Since July 2026, TriOS has been part of Xylem (NYSE: XYL), a Fortune 500 global water technology company committed to helping customers and communities build a more water-secure world.