Orion Star™ A123 portable Dissolved Oxygen Meter
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Orion Star™ A123 portable Dissolved Oxygen Meter
Thermo Scientific Orion Star A123 Dissolved Oxygen Portable Meters combine simplicity with accuracy. A large LCD displays dissolved oxygen readings along with temperature. Icons provide quick updates on battery life and completed calibration status. Simple button layout and onscreen messages help with calibration and setup menu choices.
Orion STAR* A123 portable Dissolved Oxygen Meter Kit includes meter, 083005MD Orion polarographic DO probe, polarographic DO probe maintenance kit, calibration sleeve, hardside carrying case, protective armor and batteries.
- Large, informative screen clearly shows the main information, including DO reading in mg/L or % saturation, temperature in °C or °F, meter mode and battery life
- Automatic temperature, manual salinity input and manual barometric pressure compensation for an accurate result
- Don't miss a reading – AUTOREAD* locks in the stable reading on your screen and ready indicator alerts when readings are stable
- Two calibration options to meet your procedural requirements: water-saturated air method or a Winkler titration
- Accepts Thermo Scientific Orion polarographic dissolved oxygen probes
- Non-volatile memory holds up to 50 data points
- Four AA batteries (included) provide over 2000 hours of operation or purchase the universal power adapter (sold separately) to run meter on AC power
- Perfectly portable, waterproof and protected to take anywhere with a IP67-rated housing
- Three year meter replacement warranty
Certifications: CE, TUV, FCC Class A limits
| Temperature Mode |
| Range |
-5 to 105° C |
| Resolution |
0.1 |
| Relative Accuracy |
± 0.1 |
| DO Mode |
| Concentration Range |
0 to 20mg/L |
| Concentration Resolution |
0.01, 0.1 |
| Relative Accuracy |
± 0.2mg/L; ± 2% |
| % Saturation Range |
0 to 200 |
| % Saturation Resolution |
0.1, 1 |
| Salinity Factor |
0 to 45 ppt, manual |
| Calibration |
Water-saturated air and manual (Winkler) |
| Inputs/Outputs |
| Inputs |
8-pin mini-DIN |
| Sensor Types |
Polarographic DO probe with built-in temperature sensor |
| Data Management |
50 points |
| Display |
Custom LCD; simultaneous display of measurement and temperature with helpful indicator icons |
| Power Supply |
Four "AA" batteries or optional universal AC line voltage |
| Environmental Operating Conditions |
| Relative Humidity |
5 to 85% noncondensing |
| Warranty |
3-year meter replacement |