ODO RTU

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SKU627350-1


An easy way to install YSI ODO™ technology at your site, tank, or pond.

  • Overview

    Engineered specifically for aquaculture applications, but at home in any Modbus system, the optical dissolved oxygen (ODO) sensor can be used to ensure adequate oxygen levels for your livestock or for improved energy efficiency. With YSI’s ODO RTU, you’ll benefit from reduced costs, less maintenance, and better data.

    ODO RTU utilizes the most advanced DO technology and can be connected anywhere without the need for special connectors. Additional inputs for barometric pressure and salinity are used to accurately calculate the DO% and mg/L. ODO RTU is also availabale with built-in conductivity measurement to automatically compensate for salinity.

    • Connect directly to your PLC or data logger and communicate via Modbus
    • Highly-accurate ODO sensor technology with no stirring
    • 2-year cable and probe warranty with user-replaceable DO cap

  • Specifications

     
    Communication

    Modbus/RS485 (4 wire)

    Default Baud Rate

    9600 (user programmable)

    Dissolved Oxygen (Optical luminescence) Units

    Range  0 to 500%, 0 to 50 mg/L

    Accuracy  0 to 200%: ±1% of reading or

    1% saturation, whichever is greater;

    200 to 500%: ±8% of reading;

    0 to 20 mg/L: ±0.1 mg/L

    or 1% of reading, whichever is greater;

    20 to 50 mg/L: ±8% of reading

    Resolution   0.01 mg/L and 0.1 %, or

    0.1 mg/L and 1% (auto-adjusted based on range)

    Power

    10 V to 16 V DC, 15 mA max

    Size

    2.46 cm diameter,

    Cable options for 1, 4, 10, 20, 30, 50, and 100 m lengths

    Temperature (Thermistor) Units

    Range  –5 to 70°C (-5 to 50°C; DO compensation range for mg/L )

    Accuracy  ±0.2°C

    Resolution   0.1°C or 0.1°F (auto-adjusted based on range)

    Warranty

    2 years on cable, probe, and ODO sensor cap

    Additional Conductivity Specifications  
    Conductivity (Four nickel electrode cell) Units: μS/cm, mS/cm

    Range  0 to 200 mS/cm

    Accuracy  0 to 100 mS/cm ±0.5% of reading or 0.001 mS/cm, whichever is greater; 100 to 200 mS/cm ±1.0% of reading

    Resolution   0.001, 0.01, or 0.1 μS (range dependent)

    Salinity Units: μS/cm, mS/cm

    Range  0 to 70 ppt

    Accuracy  ±1.0% of reading or ±0.1 ppt, whichever is greater

    Resolution   0.01 ppt

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