Orion™ Star A122 Conductivity, TDS, and Temperature Portable Waterproof Meter
The Orion™ Star A122 Conductivity Meter is an essential tool for professionals seeking reliable and accurate measurements of conductivity, total dissolved solids (TDS), and temperature in various environments. Designed for ease of use and portability, this meter is perfect for fieldwork, offering a user-friendly interface alongside advanced features for precise analysis.
Key Features
- Select between cell constants for customized measurements
- Manual or automatic calibration available using Orion conductivity standards (sold separately)
- Nonvolatile memory that stores up to 50 data points, ensuring your data is safe
- Designed for rugged environments with IP67-rated waterproof housing
- Backed by a three-year meter replacement warranty for peace of mind
Large, Easy-to-Read Screen
- High-contrast LCD screen displays simultaneous conductivity, TDS, and temperature readings
- Icons provide instant updates on battery status and calibration completion
- Features Thermo Scientific™ AUTO-READ™ technology to lock in stable readings, making data collection seamless
Multiple Power Options
- Operates on four AA batteries (included) with a lifespan exceeding 2000 hours for extended use
- Optional universal power adapter available for AC power supply
Product Specifications
| Specifications |
Star A122 |
| Conductivity Range |
0.1 µS/cm to 200 mS/cm |
| Conductivity Resolution |
0.01 µS minimum; 3 significant figures minimum |
| Conductivity Relative Accuracy |
0.5% reading ± 1 digit |
| Reference Temperature |
20, 25 °C (default) |
| Temperature Compensation |
Linear (0.0 to 10.0 %/°C) |
| Compatible Cell Constants |
0.001 to 10 |
| Calibration Points |
1 |
| TDS Range |
1 to 19,999 mg/L |
| TDS Resolution |
4 significant digits |
| TDS Relative Accuracy |
0.5% reading ± 1 digit |
| TDS Factor Range |
Linear, 0.01 to 10.00, default 0.49 |
| Temperature Range |
-5 to 105 °C, 23 to 221 °F |
| Temperature Resolution |
0.1 |
| Temperature Relative Accuracy |
±0.1 |
| Offset Calibration |
Yes |
| Datalogging |
Manual and Automatic with AUTO-READ™ |
| Inputs (Conductivity) |
8-pin mini-DIN |
| Power |
AC Adapter: Optional
Battery Power: Included
Battery Life: 2000 hours
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