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Accurate, Rugged
Down-facing optics to avoid obstructions on sides of probe
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The OBS300 is a submersible, turbidity probe that has downward-facing optics. It uses OBS® technology to measure suspended solids and turbidity for applications ranging from water quality in freshwater rivers and streams to sediment transport and dredge monitoring. Campbell Scientific dataloggers measure the OBS300 probe's output and calculate turbidity.

Benefits and Features

  • Downward-facing optics avoid obstructions around the sides of the probe
  • Measures suspended solids and turbidity for up to 4000 NTUs
  • Provides a compact, low-power probe that is field proven
  • Compatible with all Campbell Scientific dataloggers (including the CR200(X) series)
  • Stainless-steel body allows use down to 500 m in fresh water
  • Titanium body allows use down to 1500 m in fresh or salt water
  • Accurate and rugged
  • Fitted with MCBH-5-FS, wet-pluggable connector—multiple mating cable length options available
  • Offers an optional five-point sedimentation calibration for better measurements (see Ordering Info)