Thermo Scientific™ Orion™ Versa Star Pro™ pH/ISE Benchtop Multiparameter Meter

Get premium performance and ultimate flexibility with the Thermo Scientific™ Orion™ Versa Star Meter with pH / ISE Module for pH, ion concentration, and temperature

Manufacturer: Thermo Scientific™ VSTAR40A

 View more versions of this product

Catalog No. 13-645-579

  Check Availability
Add to Cart


    Advanced ISE Functions Segmented (point-to-point) slope, non-linear selectable auto-blank, low concentration range stability, incremental techniques including single known addition and subtraction, double known addition and subtraction, single analyte addition and subtraction
    Methods 10 per channel
    Description Orion Versa Star Pro benchtop meter with pH/ISE/mV module and stand
    Includes Versa Star Pro meter, VSTAR-ISE pH/ISE 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
    Channels 4 - customizable with modules
    Calibration Points 1 point relative mV (RmV) mode, 1 point ORP mode
    Isopotential Point 7.000pH (adjustable), 1.000 ISE (adjustable)
    Temperature Selection Manual or automatic with ATC temperature probe
    Temperature Probe Calibration 1 point temperature offset calibration
    Backlight Option Yes
    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
    Data Management Details Transfer single, range or all data points to printer or computer
    Log Function Type Automatic data logging with Auto-Read, Timed and Single Shot measure modes; manual data logging with Continuous measure mode
    Alarm Output Set point alarm, high/low limit alarm, calibration due alarm
    Languages English, Spanish, French, Italian, German, Chinese, Portuguese and Korean
    AC Adapter Universal 50-60 Hz, 100-240 VAC power adapter (Cat. No. STARA-PWR)
    IP Rating IP-54
    Relative Humidity Range 5 to 85 %, non-condensing
    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 (English) 2.5 lb., modules add 0.5 lb. each
    Range (Relative mV) ±2000.0mV
    Measurement Modes pH, mV, relative mV (RmV), ORP or ion concentration (ISE) with temperature
    Memory Non-volatile memory preserves data log, calibration log and meter settings
    Probe Type pH electrode, ORP electrode, ion selective electrode (ISE), reference half-cell electrode, ATC temperature probe, stirrer probe (purchase separately)
    Weight (Metric) 1.2kg, modules add 0.2kg each
    Range (ORP) ±2000.0mV
    Certifications/Compliance CE, TUV 3-1, FCC Class A
    Accuracy (mV) ±0.2 mV or ±0.05% of reading whichever is greater
    Range (ISE) 0.0001 to 19990 with selectable units of ppm, Molar, mg/L, %, ppb or none
    Accuracy (ISE) ±0.2 mV or ±0.05% of reading whichever is greater
    Calibration pH with calibration editing option, ion concentration (ISE) with calibration editing option, relative mV (RmV), ORP and temperature
    Calibration Points (ISE) 1 to 6
    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
    Inputs BNC (pH, ORP or ion selective electrode), pin-tip (reference electrode), 8 pin MiniDIN (ATC temperature probe), two stirrer inputs (stirrer probe)
    Temperature (English) Operating 41° to 113°F (ambient)
    Accuracy (pH) ±0.002pH
    Resolution (pH) 0.1, 0.01, 0.001pH
    Resolution (mV) 0.1mV
    Resolution (ISE) 0.0001 minimum, 1 to 4 significant digits (user selectable)
    Calibration Points (pH) 1 to 6
    Display Type Color graphic LCD with user-customizable options
    Data Points 2000 with date and time stamp
    Outputs USB (2), RS232
    Power Supply Universal AC adapter (included)
    Range (pH) -2.000 to 20.000pH
    Temperature (Metric) Operating 5° to 45° C (ambient)
    Range (mV) ±2000.0mV

    Get high accuracy, premium performance and ultimate flexibility with the Thermo Scientific™ Orion™ Versa Star Pro™ Benchtop Meter with pH / ISE Module. Meet your most challenging applications for pH, ion concentration, mV, ORP and temperature. Easily view measurements on the stunning color display and customize the four meter channels with interchangeable modules. Perform up to six point pH and ISE calibrations, log up to 2000 data point sets with time / date stamp and transfer calibration and data logs via USB or RS232 to a printer or computer. Select systems with one or two pH / ISE modules.

    Large, Color Graphic LCD Display:

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


    • Nonvolatile memory holds up to 2,000 data points with time and date stamp
    • Two USB and RS232 ports allow easy data transfer and meter software updates
    • Data analysis software transfers stored results or displays readings in real time
    • Direct control of two Orion Star stirrer probes (096019, sold separately) allows you to mix 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


    • pH, concentration using ISE, mV, relative mV (RmV) or ORP with temperature measurements
    • Up to 6 point pH and ISE calibrations with editing to correct individual points without a full recalibration
    • Advanced ISE features include incremental techniques, timed end point, linear or point-to-point, non-linear selectable auto-blank, low-concentration range stability and ISE ID

  • Description & Specifications

Related Products

Product Content Feedback

We continue to work to improve your shopping experience and your feedback regarding this content is very important to us. Please use the form below to provide feedback related to the content on this product.

Product Title

By clicking Submit, you acknowledge that you may be contacted by Fisher Scientific in regards to the feedback you have provided in this form. We will not share your information for any other purposes. All contact information provided shall also be maintained in accordance with our Privacy Policy.

Cancel Submit