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Mooring

How many pH samples can you fit into a year?

How many pH samples can you fit into a year?

How long can you really trust your sensor to sip energy from its batteries? Properly selecting the right sample interval must strike a balance between a high-resolution dataset and a complete time-series. After some quick calculations, we’ve found the optimal sample...

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Inductive Modem SeaFET/SeapHOx V2

Inductive Modem SeaFET/SeapHOx V2

April 2019 Newsletter Sea-Bird Scientific’s line of ISFET pH sensors only communicate via RS-232. However, savvy integrators can utilize the SBE 44 Underwater Inductive Modem as the link between the SeaFET/SeapHOx and an existing inductive modem mooring, providing...

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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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pH Sensor Flowchart

pH Sensor Flowchart

There are plenty of pH sensors on the market, with some recent additions showcasing novel technology and design. Among Sea-Bird Scientific’s holdings, we offer 7 different pH sensor models divided amongst 2 different technologies: ISFET and glass-electrode sensors. To...

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Prototype pH Sensors: Eyes on an Experimental Kelp Farm

Prototype pH Sensors: Eyes on an Experimental Kelp Farm

December 2018 Newsletter Spanning January to July 2018, two alpha SeapHOx V2s (serial numbers 001 and 002) tracked changes in pH at an experimental kelp farm funded by the Paul Allen Foundation. The purpose of the experiment was twofold: field-test the upgraded...

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Q&A: Sudden Increase in Salinity

Q&A: Sudden Increase in Salinity

November 2018 Newsletter The figure above originated from an SBE 37-SMP MicroCAT moored CTD deployed in shallow seawater. On day 38, the salinity data appears to jump from a near-zero value, steadily increasing until around day 43, where it stayed around 30psu. Nearby...

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Featured Posts

SeaFET 0.6 Trade-in Offer

Sea-Bird Scientific introduced the SeaFET V2 and SeapHOx V2 in 2018. These products brought several improvements to our line of ISFET pH products, including higher reliability and dramatically improved calibration quality. The V2 models are the current offering and...

Flushing and Storing pH Sensors on the HydroCAT-EP V2

The HydroCAT-EP V2's new pH sensor design makes it safer and easier than ever to swap sensors in the field. A new flushing port ensures that corrosive seawater stays far away from the electronics, while a new mechanical design creates a snug fit to withstand the...

HydroCAT-EP V2 Overview

Introducing the HydroCAT-EP V2, Sea-Bird Scientific’s latest multiparameter instrument. We took the field-proven MicroCAT (SBE 37) and added a host of integrated sensors to the base CTD to provide users with a robust sampling platform in a compact, self-contained...