News
July 24, 2020
24th July 2020
In the last several years, Sequoia has introduced a range of new or upgraded instruments: LISST-200X, LISST-SL2, LISST-Holo2, LISST-ABS, LISST-AOBS, LISST-HAB, LISST-Black, LISST-Glider, Hyper-bb and LISST Horizon.
Such an expansion increases...
Read more...
June 15, 2020
Sequoia’s LISST-200X has been designed to cover a wide range of particle concentrations. However, at high concentrations the light scattering from the particles can include multiple scattering. This will affect the measurement of particle size and...
Read more...
January 8, 2020
January’s featured paper is here! Lepage H, Masson M, Delanghe D, Le Bescond C (2019): Grain Size Analyzers: Results of an Intercomparison Study. SN Applied Sciences (2019) 1:1100 |
Tl;dr: No instrument in particular stood out as better...
Read more...
November 27, 2019
As reports over the last 3-4 decades demonstrate increasing plastic concentration in the oceans, public and regulatory concerns have grown in parallel. Sequoia Scientific Inc. and other instrument manufactures are thus frequently contacted by scientists...
Read more...
July 2, 2019
The short explanation
Briefly, the difference between turbidity and Super-Turbidity (Patent Pending) can be summarized as follows:
Turbidity (NTU) = Optical Backscatter; Needs Calibration for SSC; less accurate
Super-Turbidity (mg/l) = Optical & Acoustic...
Read more...