Campbell Scientific OBS-3+ Turbidity Sensor

The Campbell Scientific OBS-3+ turbidity sensor can be integrated into the Sea-Bird SBE 19plus V2 CTD or other analog data recorder for water profiling or mooring applications for dredge monitoring in rivers and canals. Dual channel output measures suspended solids and turbidity with ranges from 0-250 NTU and 0-1000 NTU.

Notable Features

  • 1,500m depth rating
  • Dual channel output with 0-250 & 0-1000 NTU


  • Gage rivers and streams
  • Monitor dredging and mining operations
  • Control water quality in settling ponds and tanks
  • Support sediment transport research
  • Provide laboratory measurements