In-situ absorption meter based on the integrating sphere principle. The Hyper-a is designed for precision, in-situ bulk absorption measurements of dissolved and suspended material in water. A removeable ND filter in the cavity wall can be used to track...
The LISST-RTSSV measures in-situ particle size, settling velocity, and concentration. See a list of papers published with LISST-RTSSV data here! The...
Particle and sediment sensor holding calibration FOR LIFE! See a list of papers published with LISST-200X data here! The LISST-200X is Sequoia’s...
LISST-OST measures diffuse attenuation from which sinking POC and particle flux can be derived See a list of papers published with LISST-OST...
The LISST-Horizon is a self-contained instrument for bench-top deployment in a research vessel laboratory. Plumbed to continuous underway uncontaminated...
Sequoia presents the world’s first commercially available hyperspectral backscatter instrument – Hyper-bb. The Hyper-bb is a submersible...
The LISST-AOBS Super-Turbidity sensor is a sensor to measure suspended sediment concentration (SSC). See a list of papers published with LISST-AOBS...
Integrated, self-contained instrumentation package See a list of papers published with LISST-Black data here! The LISST-Black is a self-contained,...
Harmful algae bloom (HAB) instrument See a list of papers published with LISST-HAB data here! The LISST-HAB is a self-contained, stand-alone...
Optical Transmission and Beam Attenuation See a list of papers published with LISST-Tau data here! LISST-Tau is a high-precision transmissometer...
In-situ absorption meter based on the integrating sphere principle. The Hyper-a is designed for precision, in-situ bulk absorption measurements...
The LISST-Glider is a version of the LISST-200X designed for glider integration on a Teledyne Webb Research’s SLOCUM G2 and G3 glider. See...
The LISST-Holo2 frame (SEQ-AC-LHO2-FRM) will work for the LISST-100X (6/18/2024). See Gallery for drawings of the LISST-100X mounted in the LISST-Holo2...
Low-cost acoustic sensor directly measuring Suspended Sediment Concentration (SSC) at a point. Integrates easily with existing dataloggers or...
The LISST-Holo2 stores holograms for study of flocs, plankton, and other particles in water. See a list of papers using LISST-Holo2 or LISST-Holo...
The LISST-Portable|XR is the world’s first and only battery powered, portable, low-cost particle size analyzer. It can be used in the field,...
The LISST-SL2 is Sequoia’s most powerful multi-parameter river sediment monitoring instrument. Delivers real-time Point-Integrated, Depth-Integrated,...
The LISST-Deep instrument is a 4,000 m rated version of Sequoia’s LISST-200X workhorse. See a list of papers published with LISST-Deep...
This product has been discontinued. All support for the LISST-StreamSide has ended as of 3rd April 2023. The LISST-StreamSide was developed specifically...
The LISST-Infinite has been discontinued as of May 2019. Sequoia now offers the LISST-ABS, LISST-200X and LISST-Portable|XR for hydropower applications....
The LISST-Hydro has been discontinued as of May 2019. Sequoia now offers the LISST-ABS, LISST-200X, and LISST-Portable|XR for hydropower applications.
All LISST-STX service and accessories will be discontinued 1/1/2022. Read more here. The LISST-STX is DISCONTINUED.
World’s first autonomous, submersible instrument for measuring the volume scattering function (VSF) of water with depolarization. Measures...
The LISST-STOKES from Sequoia is the world’s first commercially available submersible instrument for measuring the depolarization ratio in...
The Volume Scattering Function The optical Volume Scattering Function (VSF) is an inherent optical property of water that is used by optical...
The LISST-25X has been discontinued. No support of any kind is available for the LISST-25X. If you are looking for a low-cost sensor for measuring...
FlowControl-Lab has been discontinued and will no longer be manufactured. Existing units are still supported. If you are interested in a FlowControl,...
FlowControl-Sub is a microprocessor-controlled fully submersible 3-way valve system for use in flow-through applications on profiling platforms...
EcoLight-S(ubroutine) is an extremely fast RTE (radiative transfer equation) solver developed for use as the optical component of coupled physical-biological-optical...
The HydroLight radiative transfer numerical model computes radiance distributions and related quantities (irradiances, reflectances, diffuse...