Surface Water Update from YSI & SonTek

As another sampling season kicks off, we’re excited to share a Surface Water Update!

Check out educational resources, new products, and promotions from your favorite brands. As always, we have a water expert near you.

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CTD in the Classroom

Educators, supplement your environmental science program with the new CastAway-CTD curriculum, authored in partnership with UC Scripps institution of Oceanography.

Learn More!

YSI University Has Moved!

Our online training platform for EXO sondes, ProDSS meter, and the ProSample autosampler has moved. Get ready for the sampling season with hours of videos at YSI.com!

Get Training!

Let us help you solve your greatest water monitoring challenges.

Consult with our experts on your upcoming project. Our dedicated team of application engineers is ready to help!

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New Products from SonTek!

We’re proud to announce the release of the Hydroboard II Mini and FlowTracker2 Lab ADV!

With its smaller, lighter and more portable design, the HBII Mini is perfect for everyday gauging, and our Lab-Ready ADV® is great for collecting precise flow data in very shallow environments!