YSI ODO RTU Optical Dissolved Oxygen Sensors

The YSI ODO RTU utilizes the most advanced DO technology with RS-485 Modbus output for aquaculture, hydroelectric, and many more dissolved oxygen monitoring applications.


  • Highly-accurate ODO sensor technology with no stirring
  • Optional conductivity sensor for automatic salinity compensation
  • 2-year cable and probe warranty with user-replaceable DO cap

Connect in Real-Time

Connect NexSens-affiliated sensors to any X-Series Data Logger to enable real-time monitoring through the WQData LIVE app. NexSens X-Series Loggers transmit sensor data to the cloud, enabling real-time data on any mobile device.

Contact an Applications Scientist

Need help designing an Environmental IoT system? NexSens applications scientists will help you design the perfect monitoring system to meet field conditions and monitoring needs.