| Data Points |
50 |
| Display Type |
LCD |
| Languages |
English |
| Log Function Type |
Automatic data logging with Auto-Read measure mode; manual data logging with Continuous measure mode |
| Temperature (English) Operating |
41° to 113°F (ambient) |
| Stability |
Smart Stability and Smart Averaging |
| Resolution (Temperature) |
0.1°C, 0.1°F |
| Temperature Range (English) |
22.0° to 221.0° F |
| Temperature Probe Calibration |
1 point temperature offset calibration |
| Temperature (Metric) Operating |
5° to 45°C (ambient) |
| Temperature Range (Metric) |
-5.0° to 105.0° C |
| Warranty |
3 year meter warranty |
| Weight (Metric) |
0.5kg |
| Temperature Selection |
Manual or automatic with ATC temperature probe |
| Weight (English) |
2 lb. |
| AC Adapter |
Universal 50-60 Hz, 100-240 VAC power adapter (sold separately, Cat. No. 1010003) |
| Accuracy (pH) |
±0.01pH |
| Accuracy (mV) |
±0.2 mV or ±0.05% of reading whichever is greater |
| Accuracy (Temperature) |
±0.1°C |
| Battery Life |
2000 hr. |
| Battery Type |
4 x AA |
| Calibration |
pH, relative mV (RmV) and temperature |
| Calibration Points |
1 to 3 |
| Data Management Details |
Internal data point memory |
| Channels |
1 |
| Certifications/Compliance |
CE, TUV 3-1, FCC Class A |
| Description |
Orion Star A121 portable pH meter |
| Dimensions (L x W x H) |
24cm x 10cm x 6.5cm (9.5 in. x 3.9 in. x 2.6 in.) |
| Resolution (pH) |
0.1, 0.01 |
| Range (pH) |
-2.00 to 16.00 |
| Includes |
Star A121 pH meter, 4 AA batteries, literature CD, printed quick start guide and meter test certificate |
| IP Rating |
IP-67 |
| Inputs |
BNC (pH or ORP electrode), 8 pin MiniDIN (ATC temperature probe) |
| Isopotential Point |
7.00pH |
| Keypad |
Simple with highlighted measure key, scroll and shortcut keys |
| Item Description |
Orion Star A121 portable pH meter |
| Memory |
Non-volatile memory preserves log and settings |
| Measurement Modes |
pH, mV or relative mV (RmV) with temperature |
| Model |
Orion Star A121 Portable pH/mV/RmV/Temperature Meter |
| Outputs |
None |
| Probe Type |
pH electrode, ORP electrode, ATC temperature probe (purchase separately) |
| Power Supply |
Universal AC adapter (included) or 4 AA batteries (sold separately) |
| Range (Relative mV) |
±1999.9mV |
| Relative Humidity Range |
5 to 85%, non-condensing |
| Resolution (mV) |
0.1mV |
| Range (mV) |
±1600.0 mV |
| Unit Size |
Each |