Thermo Orion STARA2235
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| Orion Star A223 Dissolved Oxygen Portable Meter
Record accurate and reliable dissolved oxygen and temperature measurements with the Thermo Scientific Orion Star A223 Dissolved Oxygen and RDO Portable Meter, ideal for a wide range of applications and advanced dissolved oxygen analysis in the field. Use RDO optical or polarographic DO probes and calibrate using water-saturated air, air-saturated water, custom value (Winkler) or zero point options. Log up to 1000 data point sets with time / date stamp and easily transfer via USB or RS232 to a printer or computer. Waterproof meter ensures durable, rugged performance with an IP67-rated housing. Don’t leave your measurements to chance when analyzing samples outside the lab. Orion Star A223 RDO/DO portable meters are designed to offer the reliability you need in a user-friendly package for your dedicated dissolved oxygen testing needs. This waterproof portable meter displays critical data with your measurement including temperature, date and time, read type, measurement stability, active calibration info and power source status.
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| Specifications | ||
| Dissolved Oxygen | Concentration—Polarographic | |
| Range | 0 to 90 mg/L | |
| Resolution | 0.01, 0.1 mg/L | |
| Relative Accuracy | ±0.2 mg/L or ±2 % of reading, whichever is greater | |
| % Saturation—Polarographic | ||
| Range | 0 to 600 % saturation | |
| Resolution | 0.1, 1 % saturation | |
| Relative Accuracy | ±2 % saturation or ±2 % of reading, whichever is greater | |
| Concentration—RDO | ||
| Range | 0 to 50 mg/L | |
| Resolution | 0.01, 0.1 mg/L | |
| Relative Accuracy | ±0.1 mg/L up to 8 mg/L; ±0.2 mg/L from 8 to 20 mg/L; 10 % of reading from 20 to 50 mg/L |
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| % Saturation—RDO | ||
| Range | 0 to 500 % saturation | |
| Resolution | 0.1, 1 % saturation | |
| Relative Accuracy | ±2 % sat. ≤ 200 % sat., ±10 % sat. > 200 % sat | |
| Barometric Pressure Correction | 400 to 850 mmHg, automatic or manual | |
| Manual Salinity Factor Correction | 0 to 45 ppt | |
| Calibration Features | Water-saturated air, air saturated water, manual (Winkler) and zero point | |
| Temperature | Range | 0 to 50 ºC, 32 to 122 ºF |
| Resolution | 0.1 ºC, 0.1 ºF | |
| Relative Accuracy | ±0.1 ºC, ±0.1 ºF | |
| Offset Calibration | 1 point | |
| Datalogging | Memory | 1000 with time and date stamp |
| Log Function | Manual, Automatic with AUTO-READ | |
| Inputs | DO Probe with Built-in Temperature | 9-pin mini-DIN |
| Output | RS232, USB | |
| Power | AC Adapter | Optional—universal, 100-240 VAC |
| Battery Power | Included—4 AAs | |
| Battery Life | 800 hrs | |
| Catalog Number | Description | Includes |
STARA2230 |
Orion Star A223 RDO/DO portable meter | Four AA batteries (installed) Printed quick start guide and literature CD USB computer cable |
| STARA2235 * | Orion Star A223 RDO/DO portable meter kit with RDO optical DO sensor, meter armor and field case | 087010MD Orion RDO optical probe with 3 m cable stainless steel guard, calibration sleeve and optical cap Protective armor with electrode holder Hard-sided field case Four AA batteries (installed) Printed quick start guide and literature CD – USB computer cable |
