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January 2019 Newsletter

Spiking CTD Profile
Two pH Sensors: What is causing this difference?

The data shown above originate from two different pH sensors deployed in the same well-mixed test bath. Both sensors were cleaned, tested, and calibrated before deployment, and were given 24 hours to equilibrate before recording data. So why does each sensor appear to be offset from the other, and why does the sensor shown in green appear to have gaps in data?

Find the Answer

 

Comparing the SeaFET V1 and SeaFET V2 Interface

Back in May 2018, Sea-Bird Scientific upgraded the SeaFET™ pH sensor to the “SeaFET™ V2”, improving upon the performance of the original SeaFET™ while retaining the same underlying ISFET sensor technology. Watch our new video to learn how the restructured RS-232 interface affects how you use the SeaFET™ V2.

Watch the Video

 

pH Sensor Flowchart

There are plenty of pH sensors on the market, with some recent additions showcasing novel technology and design. Sea-Bird Scientific offers 7 different pH sensor models divided amongst 2 different technologies: ISFET and glass-electrode sensors. To sort out the complexities and advantages of each model, take a look at our flowchart to help select the right pH sensor for any project.

Pick Your Sensor

 

Meet our People: Jochen Klinke, Director of Product Management

After deciding not to become a professional tennis player, Jochen earned his M.S. and Ph.D. degrees in physics from Heidelberg University. During his tenure at Scripps Institution of Oceanography he developed oceanographic instrumentation for Underway CTD measurements that he commercialized at Oceanscience in collaboration with Sea-Bird. Jochen joined Sea-Bird Scientific two years ago as Principal Scientist in Product Management. His new role as Director of Product Management focuses on continuous improvement and development of our products to meet our customers' needs in addressing pressing scientific problems. He enjoys spending much of his spare time in nature rock climbing, backpacking, or practicing archery.

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