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Calibration

Calibrating Dissolved Oxygen Sensors

Calibrating Dissolved Oxygen Sensors

Our dissolved oxygen sensors, the SBE 43 and SBE 63, are calibrated with tools and methods we learned from calibrating our world-class temperature and conductivity sensors. Get a look behind the scenes in our calibration lab.

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SUNA V2 UV Nitrate Calibration

SUNA V2 UV Nitrate Calibration

The SUNA V2 is an ultraviolet spectrometer designed to measure nitrate in-situ. At Sea-Bird, we use a temperature-controlled bath and various solutions to characterize and calibrate the sensor’s output. Learn how we prepare SUNA V2s for seawater and freshwater deployments.

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Calibrating ISFET pH Sensors

Calibrating ISFET pH Sensors

ISFET pH sensors, like the SeaFET V2 and SeapHOx V2, receive a factory calibration, and don’t require regular field maintenance. Learn how we’ve adapted our calibration facility to account for conditions these instruments meet in the wild.

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Q&A: High Residuals in pH Data

Q&A: High Residuals in pH Data

March 2019 Newsletter The data shown above come from a SeapHOx V2 (red) and Deep SeapHOx V2 (blue) deployed next to one another in a dynamic estuarine environment. Regular pH validation samples were collected throughout the time-series. According to the 0.05 pH...

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Featured Posts

Ocean Sciences Meeting 2026

We hope to see you at #OSM26! We are excited to return to the Ocean Sciences Meeting 2026 in Glasgow, Scotland, from February 22-27 at booth #41. Overview The Ocean Sciences Meeting (OSM) is a biennial global gathering fostering collaboration among ocean researchers...

SUNA V1 and ISUS Sensor Trade-In Offer

SUNA V1 or ISUS Sensor Trade-In Offer Sea-Bird Scientific is excited to offer a limited-time trade-in program for customers with a SUNA V1 or ISUS nitrate sensor. Eligible participants will receive a trade-in credit toward the purchase of a SUNA V2, now available at a...

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