Deep engineering expertise, ingeniously applied to create the world’s most sensitive, accurate and reliable environmental monitoring sensors and systems.


For over 50 years, our fluorometers, sensors & systems have been used around the world to help our customers understand the natural environment, improve water treatment processes, comply with ballast water and exhaust gas wash water monitoring regulations, monitor for pollution and contaminants in rivers and lakes, and support oceanographic research.

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Active Fluorometers

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Integrated Systems

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Data Loggers