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Rechargeable Battery Packs

February 4, 2026

Sequoia offers a range of rechargeable, submersible battery packs. While originally designed for use with our own instruments, they have generally applicability for powering subsea instruments and sensors. Note that we also offer a range of non-rechargeable,...

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Non-rechargeable Battery Packs

February 4, 2026

Sequoia offers a range of non-rechargeable, submersible battery packs. While originally designed for use with our own instruments, they have general applicability for powering subsea instruments and sensors. Note that we also offer a range of rechargeable,...

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LISST-pH

January 13, 2026

Particle size and pH for OAE/mCDR The LISST-pH is a LISST-200X with an integrated ANB OC300 pH sensor and analog converter. The pH measurement from the OC300 is integrated into the LISST-200X data stream.

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LISST-Logger

November 4, 2025

The LISST-Logger is a fully submersible RS-232 datalogger rated to 2,000 m depth. Logging up to 6 sensors simultaneously, the LISST-Logger is first and foremost designed to work with Sequoia’s LISST-Tau and LISST-OST instruments. It logs RS-232 output...

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LISST-OST

December 9, 2024

LISST-OST measures diffuse attenuation from which sinking POC and particle flux can be derived See a list of papers published with LISST-OST data here! The LISST-OST (Patent Pending) is designed for integration onto Argo and other robotic and autonomous...

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