| General Specifications |
| Description |
Orion Star A112 benchtop conductivity/TDS meter with stand |
| Model |
Orion Star A112 Benchtop Conductivity/TDS/Temperature Meter |
| Range (Conductivity) |
0.01 µS/cm to 200.0 mS/cm |
| Resolution (Conductivity) |
0.01 μS minimum, auto ranging up to 3 significant digits |
| Accuracy (Conductivity) |
0.5% of reading ±1 digit |
| Range (TDS) |
1 to 19999mg/L |
| Resolution (TDS) |
1mg/L |
| Accuracy (TDS) |
0.5% of reading ±1 digit |
| TDS Factor Range |
Linear (0.02 to 9.99) |
| Cell Constant |
0.001 to 10cm-1 |
| Compatible Probes |
2-cell or 4-cell conductivity sensors with built-in temperature |
| Temperature Compensation |
Linear |
| Temperature (Metric) Reference |
20, 25°C |
| Calibration |
Conductivity and temperature |
| Range (Temperature) |
-5.0° to 105.0± C, 22.0° to 221.0° F |
| Resolution (Temperature) |
0.1°C, 0.1°F |
| Accuracy (Temperature) |
±0.1°C |
| Temperature Selection |
Manual or automatic with ATC temperature probe |
| Temperature Probe Calibration |
1 point temperature offset calibration |
| Channels |
1 |
| Display Type |
LCD |
| Keypad |
Simple with highlighted measure key, scroll and shortcut keys |
| Measurement Modes |
Conductivity or TDS with temperature |
| Stability |
Smart Stability and Smart Averaging |
| Data Management Details |
Internal data point memory |
| Data Points |
50 |
| Log Function Type |
Automatic data logging with Auto-Read measure mode; manual data logging with Continuous measure mode |
| Memory |
Non-volatile memory preserves log and settings |
| Languages |
English |
| Inputs |
8 pin MiniDIN (conductivity sensor with built-in temperature) |
| Outputs |
None |
| Probe Type |
Conductivity sensor (purchase separately) |
| Power Supply |
Universal AC adapter (included) or 4 AA batteries (sold separately) |
| AC Adapter |
Universal 50-60 Hz, 100-240 VAC power adapter (Cat. No. 1010003) |
| Battery Type |
Four AA (sold separately) |
| Battery Life |
2000 hours |
| IP Rating |
IP-54 |
| Certifications/Compliance |
CE, TUV 3-1, FCC Class A |
| Temperature (English) Operating |
41° to 113°F (ambient) |
| Temperature (Metric) Operating |
5° to 45°C (ambient) |
| Relative Humidity Range |
5 to 85 %, non-condensing |
| Dimensions (L x W x H) |
24cm x 18cm x 11cm (9.5 in. x 7.1 in. x 4.3 in.) |
| Weight (English) |
2 lb. |
| Weight (Metric) |
0.9kg |
| Calibration Points (Conductivity) |
1 |
| Warranty |
3 year meter warranty |
| Unit Size |
Each |