EXO Multiparameter Sondes

EXO advanced water quality monitoring platform for continuous field water quality measurements in challenging conditions.

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Monitoring Made Mobile.

EXO GO wireless communication device uses Bluetooth to connect any Windows OS device to a submerged EXO Sonde.

NOTICE: Pending certifications for Brazil, China, Mexico and South Korea. Shipping to these countries currently unavailable.

  • Overview


    EXO GO opens a Bluetooth®  portal between any Windows OS device and a submerged EXO Sonde.

    The portability of EXO GO frees up your hands in the field. On-the-spot GPS coordinates and barometric pressure are viewed through the newest KorEXO Software running on both laptops and tablets. The device is IP-67 rated and highly ruggedized to withstand drops, drips, and dunks!

    Improve your workflow with EXO GO:

    Maintenance Special
    Keep your sonde in the water while you view your data in real-time,
    download files, or adjust deployment settings on the GO!

     YSI Integrated Systems
    Bring the full power of KorEXO to your site
    with any Windows OS portable device!

    YSI Integrated Systems
    Do more sampling with our long-lasting,
    rechargeable battery - lasts for up to 15 hours!

    EXO Sonde Options
    • EXO1 sonde has 4 ports and a smaller diameter
    EXO2 sonde has 7 ports for the ultimate monitoring platform
    • EXO3 sonde has 5 ports for a lower cost option using the central wiper
    • EXO2s sonde offers the same features as the EXO2, but without the battery compartment

  • Specifications


    Connectivity / Communications USB 2.0, Bluetooth output: Class 2, 10 m typical range. 2.402 - 2.480 GHz.
    Connector Female wet-mate connector, USB Micro-AB receptacle
    Depth / Pressure Rating / Limit Immersion up to 1 m for 30 minutes


    Equipment used with Any EXO Sonde and Windows OS device
    GPS GPS + GLONASS Receiver Type, Lat/Long = decimal degrees; Altitude= m or ft; 2.5 m CEP Horizontal Accuracy (actual results dependent on site conditions)
    Operating Temperature -5°C to 50°C (23°F to 122°F)
    Power Rechargeable Li-Ion battery (typically 9 hours of charging time for a full charge). 15+ hours of operating time (powering an EXO3 with full payload). 12 VDC voltage output.

    17.4 x 5.2 x 3.5 cm (6.9 x 2.0 x 1.4 in)


    KorEXO Software for Windows OS devices

    Storage Temperature 0°C to 45°C (32°F to 113°F)

    1 year

    Waterproof IP-67 rated
    Weight 240 g (0.53 lbs)

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EXO Field Cable

Field Cable

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EXO2 Multiparameter Sonde

Multiparameter Water Quality Sonde for Unattended Monitoring (7 sensor ports, including a central wiper port)

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EXO2s Multiparameter Sonde

EXO2s Multiparameter Water Quality Batteryless Sonde (7 sensor ports including a central wiper port)

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EXO3 Multiparameter Sonde

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

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EXO1 Multiparameter Sonde

Multiparameter Water Quality Sonde (4 sensor ports)

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