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. The LISST-RTSSV uses two cameras with differing magnification...
Particle and sediment sensor holding calibration FOR LIFE! The LISST-200X is Sequoia’s workhorse. It is a self-contained submersible laser...
LISST-OST measures diffuse attenuation from which sinking POC and particle flux can be derived The LISST-OST (Patent Pending) is designed for...
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). Super-Turbidity involves pairing a LISST-ABS...
Integrated, self-contained instrumentation package The LISST-Black is a self-contained, stand-alone instrument system for use on profiling packages,...
Harmful algae bloom (HAB) instrument The LISST-HAB is a self-contained, stand-alone instrument system for use on profiling packages, towed and...
Optical Transmission and Beam Attenuation LISST-Tau is a high-precision transmissometer for underwater vehicles, profiling packages, CTDs, and...
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. The...
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. Holograms are captured at up to 25 Hz. The instrument...
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. The LISST-Deep generally has the same capabilities...
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...