Thermo Scientific™ Orion™ Versa Star Pro™ DO Benchtop Meter

Get premium performance and flexibility with the Thermo Scientific™ Orion™ Versa Star Pro™ Meter with DO / RDO Module for dissolved oxygen (optical / polarographic) and temperature

Manufacturer: Thermo Scientific™ VSTAR30

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Catalog No. 13-645-577

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    Relative Humidity Range 5 to 85 %, non-condensing
    Certifications/Compliance CE, TUV 3-1, FCC Class A
    Weight (English) 2.5 lb., modules add 0.5 lb. each
    Weight (Metric) 1.2kg, modules add 0.2kg each
    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
    IP Rating IP-54
    Temperature (English) Operating 41° to 113°F (ambient)
    Temperature (Metric) Operating 5° to 45° C (ambient)
    Description Orion Versa Star Pro benchtop meter with RDO/DO module and stand
    Includes Versa Star Pro meter, VSTAR-RD RDO/DO module, electrode stand, universal power adapter, literature CD, printed quick start guide, computer interface cable and meter test certificate
    Range (Polarographic DO) 0.00 to 90.00mg/L
    Resolution (Polarographic DO) 0.01, 0.1mg/L
    Accuracy (Polarographic DO) ±0.2mg/L or ±2% of reading, whichever is greater
    Range (RDO) 0.00 to 50.00mg/L
    Resolution (RDO) 0.01, 0.1mg/L
    Accuracy (RDO) ±0.1mg/L up to 8mg/L, ±0.2mg/L from 8 to 20mg/L, ±10% of reading up to 50mg/L
    Percent Saturation Range (Polarographic DO) 0.0 to 600.0 % saturation
    Percent Saturation Resolution (Polarographic DO) 0.1, 1 % saturation
    Percent Saturation Relative Accuracy (Polarographic DO) ±2 % saturation or ±2% of reading whichever is greater
    Percent Saturation Range (RDO) 0.0 to 500.0 % saturation
    Percent Saturation Resolution (RDO) 0.1, 1 % saturation
    Percent Saturation Relative Accuracy (RDO) ±2 % saturation ≤ 200 % saturation, ±10 % saturation > 200 % saturation
    Sensor Types RDO optical dissolved oxygen sensor or polarographic dissolved oxygen sensor
    Barometric Pressure Correction 400 to 850mmHg, automatic using built-in barometer or manual entry
    Pressure Range 400 to 850mmHg
    Pressure Resolution 0.1mmHg
    Accuracy (Barometer) ±6mmHg
    Salinity Factor 0.0 to 45.0 ppt, automatic correction using manual entry of sample salinity
    Calibration Modes Water-saturated air, air-saturated water, manual (Winkler titration), zero point
    Range (Temperature) -5.0° to 105.0° C, 22.0° to 221.0° F
    Resolution (Temperature) 0.1°C, 0.1°F
    Accuracy (Temperature) ±0.1°C
    Temperature Selection Automatic with ATC temperature probe
    Temperature Probe Calibration 1 point temperature offset calibration
    Channels 4 - customizable with modules
    Display Type Color graphic LCD with user-customizable options
    Backlight Option Yes
    Keypad Numeric with menu-specific function keys and dual purpose scroll/shortcut keys
    Measurement Modes Dissolved oxygen as % saturation or mg/L with temperature and barometric pressure
    Stability Selectable fast, medium, slow or Smart Stability setting; Selectable off or Automatic Smart averaging setting
    Data Management Details Transfer single, range or all data points to printer or computer
    Data Points 2000 with date and time stamp
    Log Function Type Automatic data logging with Auto-Read, Timed and Single Shot measure modes; manual data logging with Continuous measure mode
    Memory Non-volatile memory preserves data log, calibration log and meter settings
    Alarm Output Set point alarm, high/low limit alarm, calibration due alarm
    Methods 10 per channel
    Languages English, Spanish, French, Italian, German, Chinese, Portuguese and Korean
    Inputs 9 pin MiniDIN (RDO optical or polarographic DO sensor with built-in temperature), two stirrer inputs (stirrer probe)
    Outputs USB (2), RS232
    Probe Type RDO optical dissolved oxygen probe, polarographic dissolved oxygen probe, stirrer probe (purchase separately)
    Power Supply Universal AC adapter (included)
    AC Adapter Universal 50-60 Hz, 100-240 VAC power adapter (Cat. No. STARA-PWR)
    Warranty 3 year meter and module warranty

    Get high accuracy, premium performance and ultimate flexibility with the Thermo Scientific™ Orion™ Versa Star Pro™ Benchtop Meter with Dissolved Oxygen / RDO Module. Meet your most challenging applications for dissolved oxygen and temperature. Easily view measurements on the stunning color display and customize the four meter channels with interchangeable modules. Use an RDO optical or polarographic DO probe and calibrate using water-saturated air, air-saturated water, custom value (Winkler) or zero point. Log up to 2000 data point sets with time / date stamp and transfer to a printer or computer.

    Large, Color Graphic LCD Display:

    • Informative display shows readings, connections, time, date, sample ID, user ID and calibration information
    • Plain language screen prompts and soft keys that update for easy selection
    • Multilanguage interface that 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 enable easy data transfer and meter software updates
    • Data analysis software transfers stored results or displays readings in real time
    • Metere allows direct control of two Orion Star stirrer probes (096019, sold separately) for 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 withstands  splashes

    VERSA STAR Dissolved Oxygen/RDO Module, VSTAR-RD:

    • Dissolved oxygen as percent saturation or concentration with temperature measurements
    • Flexibility to use Orion polarographic or RDO optical dissolved oxygen probes with automatic meter recognition of the probe type
    • Calibration options for water-saturated air, air-saturated water, custom value using a Winkler titration or zero point
    • Automatic compensation  for temperature and barometric pressure with option for automatic or manual salinity correction

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