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EXO3 Multiparameter Sonde

The parameters you need,
without the features you don't!

EXO3 is a purpose-built sonde for monitoring major water quality parameters, including: pH, conductivity, temperature, turbidity, and dissolved oxygen.

EXO2s Customized Sonde

Go more places with the EXO2s sonde!
The more maneuverable monitoring platform.

We have heard from customers who need the payload and capabilities of the EXO2 sonde, but in spaces and places that can’t accommodate EXO2.

The enhanced interface for EXO

In water quality monitoring, instruments must hold up to harsh conditions. Rain or shine, sleet or snow, your equipment needs to keep up with you.

Visit YSI.com/EXO-HH to discover the benefits of the updated EXO Handheld.

Annual Sonde Maintenance Program

Inspect, protect and revitalize your equipment with the annual YSI Sonde Maintenance Special.
• Longer life expectancy for your monitoring equipment
• Less downtime and missed data in the field
• Ensure the highest quality data for another season

EXO University | On-demand Training

You're invited to our on-demand training program for water quality sondes. Visit exo-university.com to put yourself on the path of becoming an EXO expert.

A smart, field-ready water monitoring platform

EXO offers a wide range of capabilities to those dedicated to monitoring natural aquatic environments.



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