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.
- Large, informative screen clearly shows the main information, including pH or mV reading, temperature, 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 checks
- 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
- 3 year meter manufacturer’s replacement warranty
Meter Kit (1218X25) Contains: 9107BNMD Gel-filled Epoxy pH/ATC Triode with 1.5 Meter Cable; 916099 pH Buffer 60mL Kit (pH 4, 7, 10 Buffer, Storage and Cleaning Solutions); 911110 Rinse Solution Pouches; STARA-CS Star A Hand-Held Meter Hard Carrying Case; STARA-AR Star A Hand-Held Meter Armor with Stand and Electrode Holders
| pH | |
| Range | -2.00 to 16.00 |
| Resolution | 0.1, 0.01 |
| Relative Accuracy | ±0.01 |
| Calibration Points | up to 3 |
| mV | |
| Range | mV:±1600.0 mV ; RmV: ±1999.9 mV |
| Resolution | 0.1 |
| Relative Accuracy | ±0.2 mV or ±0.05% of reading whichever is greater |
| Relative mV Calibration | Yes |
| Temperature | |
| Range | -5° to 105°C |
| Resolution | 0.1 |
| Relative Accuracy | ±0.1 |
| Compensation | Automatic or manual |
| Offset Calibration | Yes |
| Datalogging | |
| No. of Points | 50 |
| Log Function | Manual, Automatic with AUTO-READ™ |
| Log Edit | Delete last reading or all |
| Inputs | |
| pH Electrode | BNC |
| ATC Probe | 8-pin mini-DIN |
| Power | |
| AC Adapter | Optional – universal, 100-24- VAC |
| Battery Power | Included – 4 AAs |
| Battery Life | 2000 hrs |
| Thomas No | Mfr No | Description |
|---|---|---|
| 1218X24 | STARA1210 | Star A121 pH Hand-Held Meter with Electrode Stand |
| 1218X25 | STARA1215 | Star A121 pH Hand-Held Meter Kit with Electrode Stand |
