YSI EXO2 Multiparameter Sonde

The EXO advanced water quality monitoring platform includes the versatile multiparameter EXO2 sonde for oceanographic, estuarine, or surface water applications. Collect data to 250m with the advanced EXO2 sonde – contains six replaceable 'smart' sensors and a central wiper to clean biofouling.

  • Features
  • Specifications
  • Documents

The EXO2 is the latest sonde platform offering from YSI.  The EXO2 multiparameter sonde collects data with six user-replaceable sensors, a central wiper to keep sensors clean of biofouling, and an integral pressure transducer for depth.

Smart Ports: Each sensor port on the sonde accepts any EXO water quality sensor and automatically recognises it. Sensors are user-replaceable and made from rugged titanium housing.

Key Benefits

  • High-accuracy sensors with on-board memory
  • Wireless communications
  • Seamless integration into marine, estuarine, freshwater and ground water monitoring systems

Sensor Options:

  • Conductivity and Temperature
  • Dissolved Oxygen (optical)
  • fDOM (Fluorescent Dissolved Organic Matter, surrogate for CDOM)
  • pH or pH / ORP
  • Depth (integral)
  • Total Algae (Dual-channel Chlorophyll and Blue-green Algae)
  • Turbidity
  • PAR (Photosynthetic Active Radiation) – Single or Dual sensor

Data Collection Options:

  • Store onboard the sonde
  • Transfer data to DCP
  • Relay data to PC
  • Relay data to EXO Handheld

The EXO2 with

  • 7 sensor ports (6 ports available for sensors when central wiper used)
  • Integral pressure transducer
  • 1 peripheral port for power communication
  • 1 peripheral port for auxiliary sensor
  • Depth: 820 ft, 250 m
    Medium Fresh, sea or polluted water
    Temperature Operating
    -5 to +50°C
    -20 to +80°C

    Bluetooth wireless technology; USB cable

    RS-485, RS-232, SDI-12

    Software KOR®
    Dimensions Diameter
    Length, no depth
    3.00 in, 7.62 cm
    28.00 in, 71.10 cm
    3.60 kg, 7.90 lbs (batteries and sensors installed)
    Power External
    9 to 16.5 V DC
    4 D-size alkaline batteries

    Memory 512 MB; >1,000,000 logged readings

    Ratings CE, UL, RoHS, WEEE