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HydroScat-4 Backscattering Sensor - Fluorometer


Shown with optional

antifouling face plate

and shutter

4-Wavelength Backscattering sensor and fluorometer

The middle child in the HydroScat family, the HydroScat-4 doesn't compromise on measurement quality, versatility or ease of use.  The HydroScat-4S version, equipped with a built-in anti-fouling shutter, is especially well suited to long-term deployments.



  • Superior Optics and Calibration
  • Internal data logging
  • Real-time data output, 9600 to 57600 baud
  • Internal rechargeable batteries and/or external 10 to 15V power
  • Battery capacity 20 hours of continuous use; days, weeks, months of intermittent use
  • Activate by magnetic switch or software command
  • HydroSoft software


  • Your choice of wavelengths
  • Expanded, non-volatile memory—expand logging capacity to millions of samples
  • 500-meter depth transducer
  • HydroScat-4S: model with integrated anti-fouling shutter
  • External battery pack
  • More...


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All specifications subject to change without notice.