Orion Dual Star pH/ISE Meters


  • Quickly toggle to show both channels simultaneously or each channel separately
  • Easy to follow onscreen text prompts for calibration and setup menus available in a multi-language user interface with English, Spanish, French, German or Italian options
  • Enjoy quick meter set up and data entry with a numeric keypad and menu-specific function keys
  • Perform up to a 6 point ion concentration (ISE) calibration with non-linear auto-blank and low-concentration stability options or use incremental methods for single/double known addition and single/double known subtraction
  • 1000-point datalogging with time and date stamping for GLP.
  • Internal software programs automatically compensate for measurement conditions to give faster, more accurate results.
  • Multilingual screen 
  • Features include low concentration range reading stability, known addition and subtraction incremental methods and autosampler compatibility.
  • Calibration graph with slope data for viewing or printing.
  • Auto-buffer recognition

  • 640-338-02 includes meter, 640-225-20 Orion stainless steel ATC probe, electrode stand, computer interface cable, universal power supply, literature and
    calibration test certificate

  • 640-338-04 Includes meter, 656-500-11 ROSS Ultra glass-body pH electrode, 640-225-20 Orion stainless steel ATC probe, Orion pH 4 buffer (475mL),  Orion pH 7 buffer (475mL), Orion pH 10 buffer (475mL), ROSS pH electrode storage solution (475 mL),
    electrode stand, computer interface cable, universal power supply, literature and calibration test certificate
  • Power: 120 volt. CSA Approved
  • 3 year meter replacement warranty

    pH: Range: 2.000 to 19.999
    Resolution: 0.1, 0.01, 0.001
    Relative Accuracy: ±0.002
    Calibration Points: 1 to 6
    ISE: Range: 0.0001 to 19900
    ISE Resolution: 0.0001 minimum, auto ranging, up to 3 significant digits (user selectable)
    Relative Accuracy: ± 0.2 mV or 0.05 %, whichever is greater
    Calibration Points: 2 to 6
    mV/Rel mV: Range: ±1999.9
    mV/Rel Resolution: 0.1
    Temperature: Range: -5 to 105°C
    Temperature Resolution: 0.1°C
    Temperature Relative Accuracy: ±0.1°C

Manufacturer : Thermo Orion Inc

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Cat.#DescriptionMfg.#PriceQuantityEstimated Availability
640-338-02Dual Star pH/ISE Meter2115000$3,573.63 EA  
Ships within 2 weeks
640-338-04Dual Star pH/ISE Meter with ROSS Ultra pH Electrode2115101$4,250.48 EA  
Ships within 2 weeks

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