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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 up to 3,000 meters. Using a red 670nm diode laser and a custom silicon detector, small-angle
scattering from suspended particles is sensed at 32 specific log-spaced angle
ranges. This primary measurement is
post-processed to obtain sediment size distribution, volume concentration,
optical transmission, and VSF. Optionally, SeaBird MicroCat 37-SIP CTD can be
integrated for high precision conductivity, temperature, and depth measurement.
Two models are available: anodized
aluminum, and Titanium. Each can be ordered as Type-B (1.2-250 microns)
or Type-C (2.5 to 500 microns). The instruments are rated to a depth of
3,000m (Aluminum housing) or 6,000m (Titanium housing).
Please note: The LISST-DEEP was discontinued in July 2009.
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