Seametrics DO2 Dissolved Oxygen Logger

The Seametrics DO2 is an optical dissolved oxygen sensor with built-in data logger for unattended DO monitoring applications.


  • Measures dissolved oxygen and temperature
  • Integrated data logger collects over 170,000 records
  • Utilizes fluorescence sensor technology

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.