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Data Sheet Application Notes

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OSIL 0.7m Dredge Turbidity Monitoring Buoy

OSIL's Dredge Turbidity Monitoring Buoy is a cheap, quick and easy way to ensure constant and immediate data collection when other systems are out of action, or where an environmental situation requires monitoring.


The buoy is designed to alert users to unexpected rises in turbidity, or increases in dredge plume activity. Its size and weight make it ideal for one person to handle in the field, and its single point mooring makes for easy deployment and recovery.


Manufactured using a rotationally moulded polyethylene hull, the Dredge Monitoring Buoy is built with a central structure designed to safely accommodate turbidity sensors, a multiparameter sonde or similar instrument, while providing protection from collision damage.


The Dredge Monitoring Buoy carries two 12W solar panels with battery back up, and a GPRS enabled data logger. Weighing 35 kg and having a total length of 1.8m, this buoy is easy to handle and deploy.



  • Web connection for automatic data harvesting

  • GPRS/GSM Telemetry

  • Data can be transmitted to mobile devices, vessels, or remote users

  • Can be equipped with a range of turbidity and/or dissolved oxygen sensors to suit specifications




Total Length




Net Buoyancy


Solar Panels

2 x 12W



  • Met (Wind speed & direction, Temperature, Barometric Pressure, Humidity, Precipitation, Visibility, PAR)

  • Water Quality (CTD, DO, pH, Turbidity, Chlorophyll A, BGA, PCO2, TSS)

  • Oceanographic (Current speed & direction, Tides (subject to deployment conditions), Wave height & direction)

Additional sensors can be incorporated, please contact us for details.


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