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Sequoia Scientific

The LISST-200X marks a major advance in technology of our workhorse LISST-100X submersible laser-diffraction instruments used to measure particle size and concentration in rivers, streams, ports, harbors, coasts and oceans.
Sediment Monitor for Protecting Hydro Turbines from Abrasive Damage
Sequoia Scientific, Inc. is proud to offer the first low-cost acoustic backscatter sensor designed specifically for measuring suspended sediment concentration at a point.
The LISST-Holo from Sequoia is the world’s first commercially available submersible Digital Holographic Particle Imaging System.
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 or on the factory floor.
Hyper-spectral backscatter instrument for ocean optics
The LISST-AOBS Super-Turbidity sensor is a simple, low-cost sensor to measure suspended sediment concentration (SSC)
Optical Volume Scattering Function and Depolarization Sensor