Thermo Scientific™ Orion™ Versa Star Pro™ pH/LogR™ Benchtop Meter

Get premium performance and ultimate flexibility with the Thermo Scientific™ Orion™ Versa Star Pro™ Meter with pH / LogR Module for pH, mV, ORP and LogR temperature technology

Manufacturer: Thermo Scientific™ VSTAR80

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Catalog No. 13-645-585

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    Methods 10 per channel
    Description Orion Versa Star Pro benchtop meter with pH/LogR/mV module and stand
    Includes Versa Star Pro meter, VSTAR-LR pH/LogR module, electrode stand, universal power adapter, literature CD, printed quick start guide, computer interface cable and meter test certificate
    Warranty 3 year meter and module warranty
    Range (Temperature) -5.0° to 105.0° C, 22.0° to 221.0° F
    Keypad Numeric with menu-specific function keys and dual purpose scroll/shortcut keys
    Stability Selectable fast, medium, slow or Smart Stability setting; Selectable off or Automatic Smart averaging setting
    Memory Non-volatile memory preserves data log, calibration log and meter settings
    Calibration pH with calibration editing option, relative mV (RmV), ORP, LogR temperature and temperature
    Calibration Points 1 point relative mV (RmV) mode, 1 point ORP mode
    Isopotential Point 7.000pH (adjustable)
    Temperature Selection Manual or automatic with ATC temperature probe, automatic with pH electrode using LogR mode
    Temperature Probe Calibration 1 point temperature offset calibration, 3 point LogR temperature calibration
    Channels 4 - customizable with modules
    Backlight Option Yes
    Measurement Modes pH with LogR temperature, mV, relative mV (RmV) or ORP with temperature
    Alarm Output Set point alarm, high/low limit alarm, calibration due alarm
    Languages English, Spanish, French, Italian, German, Chinese, Portuguese and Korean
    Power Supply Universal AC adapter (included)
    Dimensions (L x W x H) 28cm x 24cm x 10cm (11 in. x 9.5 in. x 3.9 in.), modules add ≤ 2cm (0.8 in.) L & H
    Weight (Metric) 1.2kg, modules add 0.2kg each
    Weight (English) 2.5 lb., modules add 0.5 lb. each
    Range (ORP) ±2000.0mV
    Calibration Points (pH) 1 to 6
    Data Points 2000 with date and time stamp
    Resolution (mV) 0.1mV
    Accuracy (mV) ±0.2 mV or ±0.05% of reading whichever is greater
    Resolution (Temperature) 0.1°C, 0.1°F
    Display Type Color graphic LCD with user-customizable options
    Data Management Details Transfer single, range or all data points to printer or computer
    Inputs BNC (pH or ORP electrode), pin-tip (reference electrode), 8 pin MiniDIN (ATC temperature probe), two stirrer inputs (stirrer probe)
    Outputs USB (2), RS232
    Relative Humidity Range 5 to 85 %, non-condensing
    Resolution (pH) 0.1, 0.01, 0.001pH
    Accuracy (pH) ±0.002pH
    Accuracy (Temperature) ±0.1°C
    Log Function Type Automatic data logging with Auto-Read, Timed and Single Shot measure modes; manual data logging with Continuous measure mode
    Probe Type pH electrode, ORP electrode, reference half-cell electrode, ATC temperature probe, stirrer probe (purchase separately)
    AC Adapter Universal 50-60 Hz, 100-240 VAC power adapter (Cat. No. STARA-PWR)
    IP Rating IP-54
    Certifications/Compliance CE, TUV 3-1, FCC Class A
    Temperature (English) Operating 41° to 113°F (ambient)
    Temperature (Metric) Operating 5° to 45° C (ambient)
    Range (pH) -2.000 to 20.000pH
    Range (mV) ±2000.0mV
    Range (Relative mV) ±2000.0mV

    Get high accuracy, premium performance and ultimate flexibility with the Thermo Scientific™ Orion™ Versa Star Pro™ Benchtop Meter with pH / LogR Module. Meet your most challenging applications for pH, mV, ORP and LogR temperature. Easily view measurements on the stunning color display and customize the four meter channels with interchangeable modules. Use LogR technology to measure both pH and temperature using the glass-bulb of most pH electrodes. Log up to 2000 data point sets with time / date stamp and easily transfer calibration and data logs via USB or RS232 to a printer or computer.

    Large, Color Graphic LCD Display:

    • Informative display shows readings, connections, time, date, sample ID, user ID and calibration information.
    • Five modules customize four channels as you need it.
    • Meter includes plain language screen prompts and soft keys to update for easy selection.
    • Multilanguage interface supports English, Spanish, French, Italian, German and Chinese.


    • Nonvolatile memory holds up to 2000 data points with time and date stamp.
    • Two USB and RS232 ports facilitates easy data transfer and meter software updates.
    • Data analysis software transfers stored results and displays readings in real time.
    • Direct control for two Orion Star stirrer probes (096019, sold separately) enables mixing samples without a stir plate.
    • Electrode arm and newly designed probe holder make it easier to maintain and place probes into samples.
    • Universal power adapter works with almost every AC power source.
    • IP54-rated housing handles splashes.

    VERSA STAR pH/LogR Module, VSTAR-LR:

    • pH, mV, relative mV (RmV) or ORP with temperature using LogR technology, ATC probe or manual input measurements
    • No temperature sensor required for temperature-compensated pH readings
    • Most advanced electrode diagnostics using pH bulb resistance

  • Description & Specifications

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