Campbell Scientific OBS300 Turbidity Sensor
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.
OBS® is a registered trademark of Campbell Scientific.