YSI EXO1 Multi-Parameter Water Quality Sonde

The YSI EXO1 sonde includes four sensor ports (sensors sold separately) with internal data logging and battery power.


  • Titanium sensors with wet-mateable, universal sensor ports
  • Compact sonde fits in 2" diameter groundwater wells
  • Smart QC automatically checks for faults and errors to ensure successful deployments

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.