Thermo Scientific - Orion Star A121
Manufactured by Thermo Scientific
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Thermo Scientific Orion Star A121 pH Portable Meters make it easy and affordable to take simple, accurate pH measurements.
Thermo Scientific Orion Star A121 pH Portable Meters combine simplicity with accuracy. A large LCD displays pH or mV readings along with temperature. Icons provide quick updates on battery life, electrode status and calibration information. Simple button layout and onscreen messages help with calibration and setup menu choices.
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Features of Orion Star A121
- Large, informative screen clearly shows the main information, including pH or mV reading, temperature in °C or °F, meter mode, calibration information and battery life
- Don't miss a reading - AUTOREAD* locks in the stable reading on your screen and ready indicator alerts when readings are stable
- Up to 3 point pH calibration
- Automatic recognition of USA/NIST and DIN buffers
- Easily recall calibration slope data for procedure checksNon-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
General Specifications
| mV Resolution | 0.1 mV |
| pH Range | -2 to 16 |
| pH Resolution | Selectable |
| Temperature Resolution | 0.1 °C |
| Measured pH Range | Extended |
| mV Accuracy | ±0.2 mV or ±0.05% of reading whichever is greater |
| pH Accuracy | ±0.01 |
| pH Meter Temperature Range | -5 to 105 °C |
| pH Meter Type | Portable |