Trading Up is as Easy as 1-2-3!

To modernize your monitoring, YSI is offering our best deal of the summer. Trade in ANY 6-Series or non-YSI sonde to get our 1-2-3 Offer! If you trade in for EXO1 choose 1 upgrade, if you trade in for EXO3 choose 2 upgrades, and if you trade in for EXO2 choose 3 FREE upgrades!

EXO GO
Keep your sonde in the water while you collect and visualize data on a mobile device!
Central Wiper
The best anti-fouling wiper in the industry, protecting your sensors for up to 90 days!
Factory Service Plan
Minimize down-time and maintenance costs with a free year of coverage!
Wiped C/T
Extend deployments and get un-fouled C/T data with our one-of-a-kind Wiped C/T sensor!
Anti-fouling Package
Use the copper-alloy sensor guard, copper tape, C-Spray, and sleeves to protect your equipment!
Field Cable
Get the right cable for your application — up to 33 m! Includes vented cables!
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Choose 1, 2, or 3 of these upgrades with your trade-in:

It’s time to make the switch. Upgrade to EXO.