Environmental Monitoring Systems (EMS)
Multi-parameter Water Quality Sondes
  • Sampling, Logging& Profiling

Integrated Systems & Services (ISS)
Environmental Monitoring Modules
  • Buoy& Floating Platforms, Profiling Systems, EcoMapper AUV

Vertical Profiling

Pontoon Vertical Profiler


Automated water quality profiler for lakes, reservoirs and coastal areas
Featuring a submersible, watertight enclosure and a rugged non-corrosive mechanical winch and drive mechanism, the 6951 provides fully-automated data collection from a pontoon float.


The 6951 offers user-programmable sample intervals, redundant error recovery logic that detects unexpected activity and recovers automatically, and is compatible will all YSI EXO and 6-Series sondes equipped with depth.

Add several options to the 6951 including:

  • Depth sounder for automatic compensation for varying water levels due to tides and reservoir levels
  • Meteorological package
  • Wireless data transmission
  • Profile Wizard software for easy set-up and deployment.


  • Submersible enclosure for electronics
  • Compatible with all EXO or 6-series sondes equipped with depth
  • User-selectable sample intervals
Minimum Profile Depth 1 meter
Profile Depth 0-50 m standard; 0-100 m optional
Depth Profile Setpoint Accuracy ±0.1 m
Maximum Profile Frequency ~50% of duty cycle
Standard Payload YSI EXO or 6-Series Sonde with depth
Cable Options 50 m or 100 m
Profile Direction Up or down and parks at any depth
Reference Point Uses top and bottom reference points for software controlled positioning
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