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Orion™ Versa Star Pro™ pH/ISE/Conductivity/Dissolved Oxygen Multiparameter Benchtop Meter

Get premium performance and flexibility with the Thermo Scientific™ Orion™ Versa Star Pro™ Meter with pH / ISE, Conductivity and RDO / DO Modules to measure up to 4 channels at once

Manufacturer:  Fisher Scientific Company VSTAR94

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Catalog No. 13-303-208




Get high accuracy, premium performance and ultimate flexibility with the Thermo Scientific™ Orion™ Versa Star Pro™ Benchtop Meter with pH / ISE, Conductivity and Dissolved Oxygen / RDO Modules. Meet your most challenging applications for pH, ion concentration, conductivity, dissolved oxygen and temperature. Easily view measurements on the stunning color display and customize the four meter channels with interchangeable modules. Log up to 2000 data point sets with time / date stamp and easily transfer logs via USB or RS232 to a printer or computer. Select systems with one or two pH / ISE modules.

Description & Specifications


Orion Versa Star Pro benchtop meter kit with pH/ISE/mV module, conductivity/TDS/salinity/resistivity module, RDO/DO module, ROSS Ultra Triode epoxy-body pH/ATC electrode, DuraProbe 4-cell conductivity sensor, RDO optical DO sensor, stirrer probe, solutions and stand
-2.000 to 20.000pH
0.0001 to 19990 with selectable units of ppm, Molar, mg/L,%, ppb or none
±0.2 mV or ±0.05% of reading whichever is greater
7.000pH (adjustable), 1.000 ISE (adjustable)
0.001 μS minimum, auto ranging up to 4 significant digits
0.001 to 200.0 ppm
0.5% of reading ±1 digit
0.06 to 80.00 psu, 0.05 to 42.00 ppt
0.5% of reading ±1 digit
2 ohm to 100.0 meg-ohm
0.5% of reading ±1 digit
Linear, nLFn (non-linear ultra pure water), nLFu (non-linear ultra pure degassed water), EP (off with warning) or off
0.00 to 90.00 mg/L
±0.2 mg/L or ±2% of reading, whichever is greater
0.01, 0.1 mg/L
0.0 to 600.0% saturation
±2% saturation or ±2% of reading whichever is greater
0.1, 1% saturation
400 to 850 mmHg, automatic using built-in barometer or manual entry
0.1 mmHg
0.0 to 45.0 ppt, automatic correction using conductivity reading or manual entry of sample salinity
1 to 6
1 point relative mV (RmV) mode, 1 point ORP mode
Water-saturated air, air-saturated water, manual (Winkler titration), zero point
0.1°C, 0.1°F
Manual or automatic with ATC temperature probe
4 - customizable with modules
pH, mV, relative mV (RmV), ORP or ion concentration (ISE) with temperature; conductivity, TDS, salinity or resistivity with temperature; dissolved oxygen as% saturation or mg/L with temperature and barometric pressure
Transfer single, range or all data points to printer or computer
Automatic data logging with Auto-Read, Timed and Single Shot measure modes; manual data logging with Continuous measure mode
Set point alarm, high/low limit alarm, calibration due alarm
English, Spanish, French, Italian, German, Chinese, Portuguese and Korean
USB (2), RS232
Universal 50-60Hz, 100-240VAC power adapter (Cat. No. STARA-PWR)
CE, TUV 3-1, FCC Class A
5 to 45°C (ambient)
28 x 24 x 10cm (11 x 9.5 x 3.9 in.), modules add ≤ 2cm (0.8 in.) L & H
2.5 lb., modules add 0.5 lb. each
Versa Star Pro meter, VSTAR-ISE pH/ISE module, VSTAR-CND conductivity module, VSTAR-RD RDO/DO module, 8157BNUMD ROSS Ultra Triode epoxy-body pH/ATC electrode, 013005MD Orion DuraProbe 4-cell (K=0.475) conductivity sensor, 087010MD Orion RDO optical dissolved oxygen sensor, 096019 Orion Star stirrer probe, 810199 ROSS pH buffer and solution kit, 011007 Orion 1413 μS conductivity standard, electrode stand, universal power adapter, literature CD, printed quick start guide, computer interface cable and meter test certificate
0.1, 0.01, 0.001pH
±0.2 mV or ±0.05% of reading whichever is greater
0.0001 minimum, 1 to 4 significant digits (user selectable)
Segmented (point-to-point) slope, non-linear selectable auto-blank, low concentration range stability, incremental techniques including single known addition, single known subtraction, double known addition, double known subtraction, single analate addition and single analate subtract
0.001 μS/cm to 3000 mS/cm
0.5% of reading ±1 digit > 3 μS; 0.5% of reading ±0.01 μS ≤ 3 μS
0.001 ppm minimum, auto ranging up to 4 significant digits
Linear (0.02 to 9.99)
0.01 psu or 0.01 ppt minimum, auto ranging
Practical salinity (psu) or natural sea water (ppt)
1 ohm or 0.1 meg-ohm, auto ranging
0.001 to 199.9cm-1
5, 10, 15, 20, 25°C
0.01, 0.1 mg/L
0.00 to 50.00 mg/L
±0.1 mg/L up to 8 mg/L, ±0.2 mg/L from 8 to 20 mg/L, ±10% of reading up to 50 mg/L
0.1, 1% saturation
0.0 to 500.0% saturation
±2% saturation ≤ 200% saturation, ±10% saturation > 200% saturation
400 to 850 mmHg
±6 mmHg
pH with calibration editing option, ion concentration (ISE) with calibration editing option, relative mV (RmV), ORP, conductivity with calibration editing option, dissolved oxygen and temperature
1 to 6
Up to 6
-5.0 to 105.0 °C, 22.0 to 221.0 °F
1 point temperature offset calibration
Color graphic LCD with user-customizable options
Numeric with menu-specific function keys and dual purpose scroll/shortcut keys
Selectable fast, medium, slow or Smart Stability setting; Selectable off or Automatic Smart averaging setting
2000 with date and time stamp
Non-volatile memory preserves data log, calibration log and meter settings
10 per channel
BNC (pH, ORP or ion selective electrode), pin-tip (reference electrode), 8 pin MiniDIN (ATC temperature probe), 8 pin MiniDIN (conductivity sensor with built-in temperature), 9 pin MiniDIN (RDO optical or polarographic DO sensor with built-in temperature), two stirrer inputs (stirrer probe)
Universal AC adapter (included)
41° to 113°F (ambient)
5 to 85%, non-condensing
1.2kg, modules add 0.2kg each