EXO3s Multiparameter Sonde

YSI EXO-S Series Overview

The EXO-S sondes are shorter, lighter, more affordable, and more sustainable versions of our industry-leading EXO sondes. These sondes are purpose-built without a battery compartment and provide the same sensor payload and best-in-class performance for applications where external power is available.

EXO Sonde Overview | Multiparameter Water Quality

Explore common features and individual options of the different EXO Multiparameter Water Quality Sondes

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Multiparameter Water Quality Sonde with 5 sensor ports (including a central wiper port) and optional depth sensor

Note: External Power Required

EXO Multiparameter Sondes — the best-in-class platform for the highest quality data. EXO's dynamic range of smart sensors provides comprehensive multiparameter water quality data while SmartQC ensures proper calibrations and top sensor performance. You can be confident in your extended deployments thanks to EXO's tough materials and unmatched anti-fouling technology.

Instrument Only. Cables, probes/sensors, and accessories are sold separately.

You may also need


Wireless communication device for the EXO sondes.

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EXO3 Multiparameter Sonde

Multiparameter Water Quality Sonde (5 sensor ports, including a central wiper port)

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A Scalable, Collaborative Data Visualization Platform for Water Monitoring

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EXO Handheld Display

Enhanced interface for calibrating and data logging with the EXO platform


DB600 Data Buoy

All-In-One, Rugged, Remote Monitoring System

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