EXO2 Multiparameter Sonde

EXO Multiparameter Sondes

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

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Option

SKU599502-00


6-Port Multiparameter Water Quality Sonde with Anti-fouling Wiper

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

  • Overview

    For more information about the EXO platform - including videos, articles, and parts guide - please visit EXOwater.com

    The EXO advanced water quality monitoring platform includes the versatile multiparameter EXO2 sonde for oceanographic, estuarine, or surface water applications.

    Key Benefits
    • CTD plus 3-5 additional sensors in one small package
    • High-accuracy sensors with on-board memory
    • Wireless communications
    • Seamless integration into marine, estuarine, freshwater and ground water monitoring systems

    Smart Sondes and Sensors
    Extremely versatile instrument, allowing the user to automatically configure a sonde with different sensor for different applications in minutes

    Accuracy
    Tested in a variety of rigorous field conditions as well as lab conditions to ensure accuracy and response times

    Monitor without Interruption
    No matter which EXO sensors users select, other features of the sensors' design make them rugged and durable:

    • Wet-mateable connectors resist corrosion
    • Isolated components prevent short circuits
    • Welded housings and double o-rings prevent leaks
    • High-impact plastic and titanium resists breaking
    • Built-in antifouling systems protect data integrity
    • Low power consumption extends underwater deployments

    For a list of EXO instruments, accessories, and replacement parts please visit EXOwater.com/accessories 
     

    YSI Integrated Systems


    The EXO sondes are a key component of a complete, unattended long-term water quality monitoring system from our Integrated Systems & Services group.
     


    EXO University


    Learning a new water quality platform can be a challenging process. Accelerate through the learning curve with our on-demand training program. Join us at EXO-University.com!


    Maintenance Special


    Inspect, protect, and revitalize your equipment with the annual YSI Sonde Maintenance Special. Longer life expectancy, less downtime, and ensure the highest quality data. Click here to learn more.

  • Specifications
    Anti Fouling Central Wiper
    Depth / Pressure Rating / Limit 0 to 250 m (0 to 820 ft)
    Desktop Software Compatible Yes
    Flow Cell Yes
    GPS Yes
    Languages English, Korean, Spanish, German, Chinese, French, Japanese
    Logging Capabilities Yes
    Medium Fresh, sea or polluted water
    Memory >1,000,000 logged readings, 512 MB total memory
    Monitoring Yes
    Multiparameter Yes
    Operating Temperature -5 to +50°C
    Power 4 Alkaline Batteries
    Sampling Yes
    Smart Sensors / Ports Yes
    Storage Temperature -20 to +80°C
    Unit of Measure Parameter Dependent
    User Calibratable Yes
    Waterproof Yes
    EXO2 Specifications  
    Battery Life 90 days*
    Communications Computer Interface: Bluetooth wireless technology (between sonde and handheld or computer with KOR software), RS-485, USB;
    Output Options: USB with signal output adapter (SOA); RS-232 & SDI-12 with DCP-SOA.
    Diameter 7.62 cm (3.00 in)
    Length 71.10 cm (28.00 in)
    Peripheral Ports 1 power communication port; 1 auxiliary port for third-party sensors (future functionality; not active yet)
    Sample Rate Up to 4 Hz
    Sensor Ports 7 (6 ports available when central wiper used)
    Warranty: 3 mos Replaceable reagent modules for ammonium, chloride, and nitrate
    Warranty: 1 yr Optical DO membranes and replaceable reagent modules for pH and pH/ORP
    Warranty: 2 yrs Cables; sonde bulkheads; handheld; conductivity, temperature, depth, and optical sensors; electronics base for pH, pH/ORP, ammonium, chloride, and nitrate sensors; and accessories
    Weight 3.60 kg (7.90 lbs)

    *Typically 90 days at 20˚C at 15-minute logging interval; temperature/conductivity, pH/ORP, DO, total algae, and turbidity sensors installed with central wiper that rotates once per logging interval on EXO2. Battery life is heavily dependent on sensor configuration.

    EXO Parameter Measured Sensor** Range Accuracy Response Resolution
    Ammonium
    (freshwater only)
    Ammonium Sensor
    Ammonia with pH sensor
    SKU: 599710
    0 to 200 mg/L (0 to 30˚C) ±10% of reading or 2 mg/L-N, w.i.g. T63<30 sec 0.01 mg/L
    Barometric Pressure Integral Barometer 375 to 825 mmHg ±1.5 mmHg from 0 to 50°C - 0.1 mmHg
    Blue-green Algae,
    Phycocyanin
    Total Algae Sensor
    SKU: 599102-01
    0 to 100 μg/L;
    0 to 100 RFU;
    Linearity: R2 >0.999 for serial dilution of Rhodamine WT solution from 0 to 100 μg/mL BGA-PC equivalents T63<2 sec 0.01 μg/L;
    0.01 RFU
    Blue-green Algae,
    Phycoerythrin
    Total Algae Sensor 0 to 280 μg/L;
    0 to 100 RFU;
    Linearity: R2 >0.999 for serial dilution of Rhodamine WT solution from 0 to 280 μg/mL BGA-PE equivalents T63<2 sec 0.01 μg/L;
    0.01 RFU
    Chloride
    (freshwater only)
    Chloride Sensor
    SKU: 599711
    0 to 18000 mg/L-Cl (0 to 30˚C) ±15% of reading or 5 mg/L-Cl, w.i.g. T63<30 sec 0.01 mg/L
    Chlorophyll Total Algae Sensor 0 to 400 μg/L Chl;
    0 to 100 RFU
    Linearity: R2 >0.999 for serial dilution of Rhodamine WT solution from 0 to 400 μg/L Chl a equivalents T63<2 sec 0.01 μg/L Chl;
    0.01 RFU
    Conductivity1 Conductivity / Temperature Sensor
    SKU: 599870-01
    0 to 200 mS/cm 0 to 100: ±0.5% of reading or 0.001 mS/cm, w.i.g.;
    100 to 200: ±1% of reading
    T63<2 sec 0.0001 to 0.01 mS/cm (range dependent)
    Depth - 10 m Integral, Non-vented Depth Sensor3 0 to 10 m
    (0 to 33 ft)
    ±0.04% FS (±0.004 m or ±0.013 ft) T63<2 sec 0.001 m (0.001 ft)
    (auto-ranging)
    Depth - 100 m Integral, Non-vented Depth Sensor3 0 to 100 m
    (0 to 328 ft)
    ±0.04% FS (±0.04 m or ±0.13 ft) T63<2 sec 0.001 m (0.001 ft)
    (auto-ranging)
    Depth - 250 m Integral, Non-vented Depth Sensor3 0 to 250 m
    (0 to 820 ft)
    ±0.04% FS (±0.10 m or ±0.33 ft) T63<2 sec 0.001 m (0.001 ft)
    (auto-ranging)
    Dissolved Oxygen, % air saturation Optical Dissolved Oxygen Sensor
    SKU: 599100-01
    0 to 500%
    air saturation
    0 to 200%: ±1% of reading or 1% saturation, w.i.g.;
    200 to 500%: ±5% of reading 4
    T63<5 sec5 0.1% air saturation
    Dissolved Oxygen, mg/L Optical Dissolved Oxygen Sensor
    SKU: 599100-01
    0 to 50 mg/L 0 to 20 mg/L: ±0.1 mg/L or 1% of reading, w.i.g.;
    20 to 50 mg/L: ±5% of reading 4
    T63<5 sec5 0.01 mg/L
    fDOM
    (CDOM)
    fDOM Sensor
    SKU: 599104-01
    0 to 300 ppb Quinine Sulfate equivalents (QSU) Linearity: R2 > 0.999 for serial dilution of 300 ppb QS solution
    Detection Limit: 0.07 ppb QSU
    T63<2 sec 0.01 ppb QSU
    Level, Vented - 10 m Integral Vented Level Sensor 0 to 10 m (0 to 33 ft) ±0.03% FS (±0.003 m or ±0.010 ft) T63<2 sec 0.001 m (0.001 ft)
    Nitrate
    (freshwater only)
    Nitrate Sensor
    SKU: 599709
    0 to 200 mg/L-N (0 to 30˚C) ±10% of reading or 2 mg/L-N, w.i.g. T63<30 sec 0.01 mg/L
    pH pH Sensor
    SKU:599701 guarded, 599702 unguarded

    pH/ORP Sensor
    SKU:599705 guarded, 599706 unguarded
    0 to 14 units ±0.1 pH units within ±10˚C of calibration temp;
    ±0.2 pH units for entire temp range7
    T63<3 sec8 0.01 units
    ORP pH/ORP Sensor
    SKU:599705 guarded
    599706 unguarded
    -999 to 999 mV ±20 mV in Redox standard solution T63<5 sec6 0.1 mV
    Temperature Conductivity / Temperature Sensor
    SKU: 599870-01
    -5 to 35°C
    35 to 50°C
    ±0.01°C2
    ±0.05°C2
    T63<1 sec 0.001 °C
    Turbidity9 Turbidity Sensor
    SKU: 599101-01
    0 to 4000 FNU 0 to 999 FNU: 0.3 FNU or ±2% of reading, w.i.g.;
    1000 to 4000 FNU: ±5% of reading10
    T63<2 sec 0 to 999 FNU = 0.01 FNU;
    1000 to 4000 FNU = 0.1 FNU
    Salinity Calculated from Conductivity and Temperature11 0 to 70 ppt ±1.0% of reading or 0.1 ppt, w.i.g. T63<2 sec 0.01 ppt
    Specific Conductance Calculated from Conductivity and Temperature11 0 to 200 mS/cm ±0.5% of reading or .001 mS/cm, w.i.g. - 0.001, 0.01, 0.1 mS/cm
    (auto-scaling)
    Total Dissolved Solids (TDS) Calculated from Conductivity and Temperature11 0 to 100,000 mg/L
    Cal constant range
    0.30 to 1.00
    (0.64 default)
    Not Specified - Variable
    Total Suspended Solids (TSS) Calculated from Turbidity and user reference samples 0 to 1500 mg/L Not specified T63<2 sec Variable

    **Specifications indicate typical performance and are subject to change. All sensors have a depth rating to 250 m (820 ft), except shallow and medium depth sensors, ammonium, chloride, and nitrate. Accuracy specification is attained immediately following calibration under controlled and stable environmental conditions. Performance in the natural environment may vary from quoted specification.
    w.i.g. = whichever is greater

    EXO sensors are not compatible with YSI 6-Series sondes, sensors, or handheld.

    1Outputs of specific conductance (conductivity corrected to 25˚C) and total dissolved solids are also provided. See Calculated Parameters and footnote 11.
    2 Temperature accuracy traceable to NIST standards
    3Accuracy specifications apply to conductivity levels of 0 to 100,000 μS/cm.
    4 Relative to calibration gases
    5 When transferred from air-saturated water to stirred deaerated water
    6 When transferred from water-saturated air to Zobell solution
    7Within the environmental pH range of pH 4 to pH 10.
    8On transfer from water-saturated air to rapidly stirred air-saturated water at a specific conductance of 800 μS/cm at 20˚C; T63<5 seconds on transfer from water-saturated air to slowly-stirred air-saturated water.
    9 Calibration: 1-, 2-, or 3-point, user-selectable
    10 Performance based on 3-point calibration done with YSI AMCO-AEPA standards of 0, 124, and 1010 FNU. The same type of standard must be used for all calibration points.
    11 Values are automatically calculated from conductivity according to algorithms found in Standard Methods for the Examination of Water and Wastewater (Ed. 1989).

    Xenoy is a trademark of SABIC Innovative Plastics IP BV.

    EXO Bluetooth modules comply with Part 15C of FCC Rules and have FCC, CE Mark and C-tick approval. Bluetooth-type approvals and regulations can be country specific. Check local laws and regulations to insure that the use of wireless products purchased from Xylem are in full compliance.

  • Accessories

    Turbidity Standard

    Turbidity Standard

    EXO2 Wiper Retaining Nut Kit, Titanium

    Replacement EXO2 wiper retaining nuts

    EXO2 Sonde Weight Kit

    Profiling Accessory

    EXO2 Guard Assembly Kit

    EXO2 Probe Guard

    EXO2 Central Wiper Brush Kit

    Replacement Wiper

    EXO2 Central Wiper

    Anti-fouling Wiper

    EXO2 Anti-Fouling Guard

    Copper-alloy guard

    EXO Wiper Brush Guard Replacement Kit

    Replacement guards for EXO2 central wiper

    EXO Total Algae PE Smart Sensor

    Phycoerythrin - Saltwater

    EXO Total Algae PC Smart Sensor

    Phycocyanin - Freshwater

    EXO Tool Kit

    Replacement Tool Kit

    EXO Sensor Retaining Nut Kit, Titanium

    Replacement sensor retaining nuts

    EXO Rechargeable Lithium-Ion Battery

    For EXO Handheld Display

    EXO pH Sensor Replacement Module

    Un-Guarded pH Module

    EXO pH & ORP Sensor Replacement Module

    Un-Guarded pH/ORP Module

    EXO Nitrate Smart Sensor

    Shallow Freshwater Only

    EXO Nitrate Sensor Replacement Module

    Shallow Freshwater Only

    EXO Handheld Display

    For use with EXO Sondes

    EXO fDOM Smart Sensor

    Fluorescent Dissolved Organic Matter

    EXO Coastal Zinc Anode Kit

    Optional Anti-Fouling Accessory for EXO2

    EXO Chloride Smart Sensor

    Shallow Freshwater Only

    EXO Chloride Sensor Replacement Module

    Shallow Freshwater Only

    EXO Cable Couplers

    Brass or Titanium

    EXO Anti-fouling C/T Screen

    Copper probe screen

    EXO Ammonium Smart Sensor

    Shallow Freshwater Only

    EXO Ammonium Sensor Replacement Module

    Shallow Freshwater Only

  • Video

    EXO-University.com | On-demand Sonde Training

    Learning a new water quality platform can be a challenging process. Accelerate through the learning curve with EXO University!

    KOR: Introduction to Software for the EXO monitoring platform

    A tour of the main menus and features of the graphical KOR software for the EXO water monitoring platform. Connect an EXO sonde to your computer wirelessly with Bluetooth technology. The Dashboard shows real-time data. Calibration menus quickly guide you through the calibration process and provide SmartQC verification of successful calibration and worksheets.

    EXO Sondes: What's in the Box When it Arrives?

    In this unboxing video, Tim Finegan, YSI, shows you exactly what ships with every order of an EXO water quality monitoring sonde.

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