Thermo Scientific™ Orion™ 3-Star Plus Dissolved Oxygen Portable Meter

Waterproof, battery-operated meter stands up to the most demanding field applications

Manufacturer: Thermo Scientific™ 1010121

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Catalog No. 13-643-030

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This item has been discontinued by the manufacturer and is no longer available. Please call customer service for assistance: 1-800-766-7000. 


    Delivers over 2000 hours of continuous operation, with improved stability algorithm to increase calibration and measurement accuracy. Easy to set up and use, provides reliable measurements for water testing applications.

    Easy to operate in any mode

    • Bright, backlit LCD display with ready indication Balanced comfortable handling
    • Simultaneous display of DO and temperature
    • Convenient built-in Quick-Start Guide with calibration instructions
    • Stores, displays, and prints up to 10 methods with individual method password protection
    • Automatic temperature compensation to two decimal places
    • Auto-read/hold function
    • IP67 waterproof
    Extra features for DO and BOD measurements
    • Automatic barometric pressure and salinity compensation
    • Calibration to Winkler Titration for BOD measurements
    • Solution and membrane temperature printed and displayed with measurement
    • Calibrate both solution and membrane temperature
    • Uses polarographic DO probe

    Increased accuracy

    • Improved stability algorithm improves calibration and measurement accuracy
    • SMART STABILITY™ and SMART AVERAGING™ functions optimize accuracy, precision, and response time
    • ATC calibration
    • Advanced self-tests on meter operation, self-diagnostics
    Complete documentation
    • Full complement of GLP-related features
    • 1000 point datalogger, downloadable to printer or computer via RS-232 connection
    • Average slope and slope of segment printed with measurement

  • Description & Specifications

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