YSI ProSwap Logger

Designed for use with any single ProDSS Digital Smart Sensor, ProSwap Logger is cost-effective and customizable water quality and level monitoring solution.


  • User-replaceable water quality sensors alongside built-in temperature and depth
  • Smart sensor technology with on-board monitoring for improved calibration and performance
  • Titanium housing and waterproof connectors guarantee operation well into the future

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.