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| LISST Instruments > LISST-STX |
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LISST-STX |
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LISST-STX
LISST-STX in its shipping case
The LISST-STX settling tube in its shipping case.
The 2 shipping cases for the LISST-STX
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The LISST-STX is a submersible
field instrument developed for in-situ observation of the
size-dependent settling velocity distribution of suspended particles.
It incorporates a mechanized settling column. In a settling experiment,
a water sample is drawn and trapped. The time history of the concentration in the individual size classes near the base of the settling column during the settling
experiment is interpreted to estimate settling velocities. Settling
velocities are estimated for 8 log-spaced size classes covering the
range 1.25-250 microns (Type B), or 2.5-500 microns (Type C).
The LISST-STX is designed to
carry out multiple settling experiments while submerged. A motorized
mechanism operates the doors that control exchange of water between the
settling column and the ambient environment. This permits repeated
settling experiments. A separate built-in motorized stirrer is used to
agitate and flush out settled particles after each settling experiment.
In addition to particle size distribution histories with each
settling experiment, water pressure and temperature are also recorded.
The
LISST-STX is a fully autonomous, battery operated, self-contained unit.
It is engineered for low power consumption and built to withstand the
rigors of field deployment. Easy to program features permit flexibility
in duration of experiments, and in operating modes.
Related Links
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Ocean Optics XX
Anchorage, AK, 27-30 September 2010, booth 3
CASQA
Rancho Mirage, CA, 1-3 November, booth 11
PiE 2010
Villefranche-sur-Mer, France, 15-17 November
Sixth International Conference on Remediation of
Contaminated Sediments
New Orleans, LA, 7-10 February 2011, booth 303
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