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LISST-200X

This model supersedes the LISST-100X. The LISST-200X marks a major advance in technology of our workhorse LISST-100X submersible laser-diffraction...

LISST-100X

This product is superseded by LISST-200X. The LISST-100X is a submersible multi-parameter system for in-situ observations of particle size distribution...

LISST-ABS

Sequoia Scientific, Inc. is proud to offer the first low-cost acoustic backscatter sensor designed specifically for measuring Suspended Sediment...

LISST-Deep promo photo

LISST-Deep

The LISST-Deep instrument obtains in-situ measurements of particle size distribution, optical transmission, and the optical volume scattering...

LISST-Infinite

Abrasion of turbines by sediments causes losses in millions of dollars. The loss can be avoided by installing this instrument. When dangerous...

LISST-Portable|XR with ultrasonic probe inserted

LISST-Portable|XR

The LISST-Portable|XR is the world’s first and only battery powered portable particle size analyzer. It can be used in the field, in the laboratory...

LISST-StreamSide

The LISST-StreamSide is developed specifically for monitoring applications, for example sediment monitoring in shallow streams and rivers or...

LISST-Hydro Open

LISST-Hydro

LISST-Hydro Particle size analyzer for Hydro Power applications The LISST-Hydro instrument system is designed to supplement Sequoia’s LISST-Infinite...

Particle Tracer Studies

Sequoia Scientific has partnered with Partrac Ltd of Glasgow, Scotland to provide particle tracer studies. Partrac has developed a method of...

LISST-Holo Digital Holographic Imaging System

LISST-Holo2

UPDATED 07 JULY 2017 The LISST-Holo2 stores holograms for study of flocs, plankton, and other particles in water. It is an advanced successor...

LISST-STX

The LISST-STX is a submersible field instrument developed for in-situ observation of the size-dependent settling velocity distribution of suspended...

LISST-VSF Detail

LISST-VSF

World’s first autonomous, submersible instrument for measuring the volume scattering function (VSF) of water with depolarization. Measures...

LISST-SL

The LISST-SL (for StreamLined) is a multi-parameter river profiling instrument, measuring sediment size distribution and concentration,  velocity,...

LISST-STOKES

The LISST-STOKES from Sequoia is the world’s first commercially available submersible instrument for measuring the depolarization ratio in...

Optical VSF Sensors

The Volume Scattering Function The optical Volume Scattering Function(VSF) is an ‘inherent optical property’ of water that is used...

LISST-25X

Stop sediment sampling, measure! 100% calibration-free Measure total concentration and mean particle size at 1Hz LISST-25X marks a generational...

FlowControl-Lab

FlowControl-Lab

FlowControl-Lab is a computer-controlled 3-way valve system for use in flow-through applications on board research vessels or for dock-side sampling. The...

FlowControl-Sub

FlowControl-Sub

FlowControl-Sub is a microprocessor-controlled fully submersible 3-way valve system for use in flow-through applications on profiling platforms...

EcoLight-S

EcoLight-S(ubroutine) is an extremely fast RTE (radiative transfer equation) solver developed for use as the optical component of coupled physical-biological-optical...

HydroLight

The HydroLight radiative transfer numerical model computes radiance distributions and related quantities (irradiances, reflectances, diffuse...