| 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 |
| Power Rating | DC input: 9VDC, 1A |
| Unit Size | Each |



