Orion STAR A121 Basic Portable pH Meter
Download Files
Orion_Benchtop_and_Portable_Meters_Catalog.pdf (3.79 MB)
Orion-Star-A111-and-A121-Meter-User-Guide-EN.pdf (684.96 KB)
STARA121.pdf (524.38 KB)
Orion_Benchtop_and_Portable_Meters_Catalog.pdf (3.79 MB) Orion-Star-A111-and-A121-Meter-User-Guide-EN.pdf (684.96 KB) STARA121.pdf (524.38 KB)| AC Adapter | Universal 50-60 Hz, 100-240 VAC power adapter (sold separately, Cat. No. 1010003) |
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| Accuracy (mV) | ±0.2 mV or ±0.05% of reading whichever is greater |
| Accuracy (pH) | ±0.01pH |
| 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 |
| Channels | 1 |
| Certifications/Compliance | CE, TUV 3-1, FCC Class A |
| Data Management Details | Internal data point memory |
| Data Points | 50 |
| 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.) |
| Display Type | LCD |
| Includes | Star A121 pH meter, 4 AA batteries, literature CD, printed quick start guide and meter test certificate |
| Inputs | BNC (pH or ORP electrode), 8 pin MiniDIN (ATC temperature probe) |
| IP Rating | IP-67 |
| Isopotential Point | 7.00pH |
| Item Description | Orion Star A121 portable pH meter |
| Keypad | Simple with highlighted measure key, scroll and shortcut keys |
| Languages | English |
| Log Function Type | Automatic data logging with Auto-Read measure mode; manual data logging with Continuous measure mode |
| Measurement Modes | pH, mV or relative mV (RmV) with temperature |
| Memory | Non-volatile memory preserves log and settings |
| Model | Orion Star A121 Portable pH/mV/RmV/Temperature Meter |
| Outputs | None |
| Power Supply | Universal AC adapter (included) or 4 AA batteries (sold separately) |
| Probe Type | pH electrode, ORP electrode, ATC temperature probe (purchase separately) |
| Range (mV) | ±1600.0 mV |
| Range (pH) | -2.00 to 16.00 |
| Range (Relative mV) | ±1999.9mV |
| Relative Humidity Range | 5 to 85%, non-condensing |
| Resolution (pH) | 0.1, 0.01 |
| Resolution (mV) | 0.1mV |
| Resolution (Temperature) | 0.1°C, 0.1°F |
| Stability | Smart Stability and Smart Averaging |
| Temperature (English) Operating | 41° to 113°F (ambient) |
| Temperature (Metric) Operating | 5° to 45°C (ambient) |
| Temperature Probe Calibration | 1 point temperature offset calibration |
| Temperature Range (English) | 22.0° to 221.0° F |
| Temperature Range (Metric) | -5.0° to 105.0° C |
| Temperature Selection | Manual or automatic with ATC temperature probe |
| Warranty | 3 year meter warranty |
| Weight (English) | 2 lb. |
| Weight (Metric) | 0.5kg |
| Unit Size | Each |
