Specifications
AC AdapterUniversal 50-60 Hz, 100-240 VAC power adapter (Cat. No. STARA-PWR)
Accuracy (Barometer)±6 mmHg
Accuracy (Conductivity)0.5% of reading ±1 digit > 3 μS; 0.5% of reading ±0.01 μS ≤ 3 μS
Accuracy (ISE)±0.2 mV or ±0.05% of reading whichever is greater
Accuracy (Polarographic DO)±0.2 mg/L or ±2% of reading, whichever is greater
Accuracy (RDO)±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
Accuracy (Resistivity)0.5% of reading ±1 digit
Accuracy (Salinity)0.5% of reading ±1 digit
Accuracy (TDS)0.5% of reading ±1 digit
Accuracy (mV)±0.2 mV or ±0.05% of reading whichever is greater
Accuracy (pH)±0.002
Advanced ISE FunctionsSegmented (point-to-point) slope, non-linear selectable auto-blank, low concentration range stabilit
Alarm OutputSet point alarm, high/low limit alarm, calibration due alarm
Backlight OptionYes
Barometric Pressure Correction400 to 850mmHg, automatic using built-in barometer or manual entry
CalibrationpH with calibration editing option, ion concentration (ISE) with calibration editing option, relativ
Calibration ModesWater-saturated air, air-saturated water, manual (Winkler titration), zero point
Calibration Points1 point relative mV (RmV) mode, 1 point ORP mode
Calibration Points (Conductivity)Up to 6
Calibration Points (ISE)1 to 6
Calibration Points (pH)1 to 6
Cell Constant0.001 to 199.9cm-1
Certifications/ComplianceCE, TUV 3-1, FCC Class A
Data Management DetailsTransfer single, range or all data points to printer or computer
Data Points2000 with Date and Time Stamp
DescriptionOrion Versa Star Pro benchtop meter with pH/ISE/mV module, conductivity/TDS/salinity/resistivity module, RDO/DO module and stand
Dimensions (L x W x H)28 x 24 x 10cm (11 x 9.5 x 3.9 in.), modules add ≤ 2cm (0.8 in.) L & H
IncludesVersa Star Pro meter, VSTAR-ISE pH/ISE module, VSTAR-CND conductivity module, VSTAR-RD RDO/DO module, electrode stand, universal power adapter, literature CD, printed quick start guide, computer interface cable and meter test certificate
InputsBNC (pH or ISE), 8-pin Mini-DIN (temperature), reference pin-tip, 8-pin Mini-DIN (conductivity with temperature probe), 9-pin Mini-DIN (RDO or polarographic DO with temperature probe), 2 stirrer inputs
Isopotential Point7.000pH (adjustable), 1.000 ISE (adjustable)
KeypadNumeric with menu-specific function keys and dual purpose scroll/shortcut keys
LanguagesEnglish, Spanish, French, Italian, German, Chinese, Portuguese and Korean
Log Function TypeAutomatic data logging with Auto-Read, Timed and Single Shot measure modes; manual data logging with
MemoryNon-volatile memory preserves data log, calibration log and meter settings
Methods10 per channel
OutputsUSB (2), RS232
Percent Saturation Range (Polarographic DO)0.0 to 600.0% saturation
Percent Saturation Relative Accuracy (RDO)±2% saturation ≤ 200% saturation, ±10% saturation > 200% saturation
Percent Saturation Resolution (Polarographic DO)0.1, 1% saturation
Percent Saturation Range (RDO)0.0 to 500.0% saturation
Percent Saturation Resolution (RDO)0.1, 1% saturation
Percent Saturation Relative Accuracy (Polarographic DO)±2 % saturation or ±2% of reading whichever is greater
Power RatingDC input: 9VDC, 1A
Power SupplyUniversal AC adapter (included)
Pressure Range400 to 850mmHg
Pressure Resolution0.1mmHg
Product TypeMeter, pH/ISE/mV Module
Range (ISE)0.0001 to 19990 with selectable units of ppm, Molar, mg/L, %, ppb or none
Range (ORP)±2000.0 mV
Range (Polarographic DO)0.00 to 90.00mg/L
Range (RDO)0.00 to 50.00mg/L
Range (Relative mV)±2000.0 mV
Relative Humidity Range5 to 85%, non-condensing
Resolution (Conductivity)0.001 μS minimum, auto ranging up to 4 significant digits
Resolution (Polarographic DO)0.01, 0.1mg/L
Resolution (RDO)0.01, 0.1mg/L
Resolution (Resistivity)1 ohm or 0.1 meg-ohm, auto ranging
Resolution (Salinity)0.01 psu or 0.01 ppt minimum, auto ranging
Resolution (TDS)0.001 ppm minimum, auto ranging up to 4 significant digits
Resolution (mV)0.1mV
Salinity Factor0.0 to 45.0 ppt, automatic correction using conductivity reading or manual entry of sample salinity
Salinity Measurement ModesPractical salinity (psu) or natural sea water (ppt)
StabilitySelectable fast, medium, slow or Smart Stability setting; Selectable off or Automatic Smart averaging setting
TDS Factor RangeLinear (0.02 to 9.99)
Temperature Accuracy±0.1°C
Temperature CompensationLinear, nLFn (non-linear ultra pure water), nLFu (non-linear ultra pure degassed water), EP (off with warning) or off
Temperature (English) Operating41°F to 113°F (ambient)
Temperature (Metric) Operating5°C to 45°C (ambient)
Temperature (Metric) Reference5°, 10°, 15°, 20°, 25°C
Temperature Probe Calibration1 point temperature offset calibration
Temperature Range (English)22.0°F to 221.0° F
Temperature Resolution0.1°C, 0.1°F
Temperature SelectionManual or automatic with ATC temperature probe
Warranty3 year meter and module warranty
Weight (English)2.5 lb., modules add 0.5 lb. each
Weight (Metric)1.2 kg, modules add 0.2 kg each
Channels4 (Customizable with modules)
Display TypeColor graphic LCD with user-customizable options
IP RatingIP54
Measurement ModespH, mV, Relative mV, ORP, Ion Concentration (ISE) with Temperature, TDS, Conductivity, Salinity
Percent Saturation Range Polarographic DO0.0 to 600.0% saturation
Range (Conductivity)0.001 μS/cm to 3000 mS/cm
Range (Resistivity)2 ohm to 100.0 meg-ohm
Range (Salinity)0.06 to 80.00 psu, 0.05 to 42.00 ppt
Range (TDS)0.001 ppm to 200.0 ppt
Range (mV)±2000.0 mV
Range (pH)-2 to 20
Resolution (ISE)0.0001 minimum, 1 to 4 significant digits (user selectable)
Resolution (pH)0.1/0.01/0.001
Temperature Range (Metric)-5.0°C to +105.0°C
Unit SizeEach