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WHOI Pump cover

WHOI Pump

CERN-OHL-S-2.0

Peristaltic pump for in-situ ocean sampling. v2 is the current release.

oceanography hardware WHOI updated 2026-07-09

Versions

Project DOI: 10.5281/zenodo.99000 — always points at the latest version.

  1. v2 · 2026-07-09

    DOI: 10.5281/zenodo.99002 · Open Zenodo record · Repository link

    • New seal stack rated to 600 m (24 hours at 700 m equivalent on the bench).
    • Lower-power motor driver. Standby draw dropped from 35 mA to 4 mA.
    • External status LED ring on the end cap.
    • Configuration protocol now includes a hardware revision byte; firmware is not backwards-compatible with v1 hardware.

  2. v1 · 2026-07-09

    DOI: 10.5281/zenodo.99001 · Open Zenodo record · Repository link

    Initial release. Peristaltic pump head in an aluminium pressure housing rated to ~200 m. Known seal-stack leak above 200 m and an internal-only status LED.