For over 50 years, customers have used our high quality sensors and systems in a wide range of applications - Submariners are using them to understand the environment they pass through, water authorities are using them to test water supplies in both water supply and recovery markets. Scientists globally use them to monitor changes in oceanic algae and the effects of climate change. Shipping companies have installed our state-of-the-art in-line sensors to monitor exhaust gas cleaning systems and compliance of ballast water treatment systems.