As the original manufacturer of Rugged Dissolved Oxygen (RDO®) Technology, we partner with leading companies around the world on innovative solutions for DO monitoring in a wide array of applications. The RDO measurement system is ready for seamless assembly in a probe or integration into a machine or device and it's suited for use in wastewater treatment, aquaculture, laboratory applications, semi-conductor process monitoring, aquatic transport and more. OEM partners benefit from our extensive field testing and EPA approval of three RDO methods for measuring DO, BOD and CBOD.