Sequoia LISST-VSF Manuale utente
LISST-VSF
FEATURES:
In-situ measurements of P11 (VSF), P12 and P22 elements of the scattering Mueller
matrix from 0.1-155o(nominal) in water
VSF (P11) only at small angles, 0.1 to 15o (nominal) in 32 logarithmic steps in angles
Integration of 0.1-155oVSF provides a good estimate of total scattering coefficient b.
Beam attenuation measured with LISST-100X optics.
Roving EyeballTM optics permit 1oresolution in scattering angles between 15 -155o
Approximately 4 sec per measurement set [involves 2 turns of Eyeball with vertical,
and horizontal polarized laser].
Daylight rejection by laser modulation.
Data from small and large angles in a single data stream, including depth,
temperature, date and time.
This document is copyrighted by SEQUOIA SCIENTFIC, INC.
SPECIFICATIONS:
Parameters measured
Small-angle VSF in 32 log-spaced angles, from 0.1 to 15o(nominal)
VSF, P12 and P22 over 15-150oin 1osteps (nominal)
Temperature from –5° to 50°C with 10 mdeg resolution
Operational depth (50 m max depth @ 8 cm resolution)
Operating Concentration range
Beam attenuation from 0.13 to 20 m-1 (based on >=30% transmission)
Technology
Fiber Coupled TE-cooled Laser Diode @ 515 nm
Ring Detector for small-angle VSF
Roving Eyeball and PMT for 15-150o(nominal)
Mechanical and Electrical
LISST-VSF Instrument
Dimensions 13.3 cm (5.25”) diameter, 114.0 cm (44.9”) L
Weight: 15.6 kg (34.4 lbs) in air; in water TBD
Depth rating: 300 m survival depth (50 m operational depth)
External power input: 12VDC @ 5A, min 9VDC, max 20VDC
Sampling rate: 4 seconds for a full measurement of P11, P12, P22
Power drain: 700 mA measuring / 170mA quiescent
Data storage: 128GB, equivalent to 40,000? measurements
Battery Housing
Dimensions 13.3 cm (5.25”) diameter, 71.1 cm (28.0”) L
Weight: 10.3 kg (22.8 lbs]) in air; in water TBD
Capacity: 14.8V, 39 A-hr.
Welcome to the LISST-VSF!
Using this manual
This manual is divided into two sections.
Section One contains an introduction to the LISST-VSF
instrument and the principles of its operation.
Section Two provides detailed instructions for operation
Appendices provide further details …
Instrument Specific Constants
These are included in a MATLAB file, named
Cal_Factors_xxxx.mat, where xxxx is the serial number of your
instrument.
Technical assistance
For technical assistance please contact your local Distributor or
Sequoia. Please be sure to include the instrument Serial
Number with any correspondence.
Waste Electrical and Electronic Equipment
Smaltimento di apparecchiature elettriche ed elettroniche da rottamare
Altri manuali per LISST-VSF
1
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