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LISST-Deep: Deep Ocean Laser Diffraction Particle Size Analyzer

The LISST-Deep instrument obtains in-situ measurements of particle size distribution, optical transmission, and the optical volume scattering function(VSF) at depths down to 3,000 meters. The LISST-Deep extends operating depth range beyond the LISST-100X or LISST-200X instruments allowing measurements of particle size to be made with at 1 hz with minimal disturbance to the particles. 3000 meter depth […]

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The LISST-Deep instrument obtains in-situ measurements of particle size distribution, optical transmission, and the optical volume scattering function(VSF) at depths down to 3,000 meters.

The LISST-Deep extends operating depth range beyond the LISST-100X or LISST-200X instruments allowing measurements of particle size to be made with at 1 hz with minimal disturbance to the particles.

  • 3000 meter depth rating
  • Small angle forward scattering laser diffraction technology
  • Self contained with internal datalogger
  • Externally powered
  • RS232 connection to PC for programming, offloading and real-time size distribution displays
  • Programmable, autonomous data collection
  • Integrated depth and temperature sensor
  • 32 size classes
  • Optional external battery pack, rated to 3000 m depth
  • Optional 80% path reduction module for higher concentrations
  • Sea-Bird cable for powering from Sea-Bird CTD