Take simple, routine pH, mV and temperature measurements with the Thermo Scientific™ Orion Star™ A121 Portable pH Meter. This meter is an easy-to-use and budget-friendly instrument for basic pH analysis in the field. Perform up to a 3 point pH calibration with easy recall of calibration points and slope. Quickly navigate setup menus and ensure consistent calibrations using the simple keypad layout and on-screen text prompts. This waterproof meter has an IP67-rated housing for rugged protection in outdoor environments.
| Description | Orion Star A121 portable pH meter |
| Includes | Star A121 pH meter, 4 AA batteries |
| Measurement Modes | pH, mV or relative mV with temperature |
| Calibration | pH, relative mV (RmV) and temperature |
| Range (pH) | -2 to 16 |
| Resolution (pH) | 0.01, 0.1 |
| Accuracy (pH) | ±0.01 |
| Range (mV) | ±1600.0 |
| Resolution (mV) | 0.1mV |
| Accuracy (mV) | ±0.2 or ±0.05%, whichever is greater |
| Calibration Points | 1 to 3 |
| Temperature Range (Metric) | -5°C to +105°C |
| Temperature Range (English) | 22.0°F 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 |
| Display Type | LCD |
| Memory | Non-volatile memory preserves log and settings |
| Data Points | 50 |
| Log Function Type | Automatic with Auto-Read Measure Mode, Manual with Continuous Measure Node |
| Data Management Details | Internal Data Point Memory |
| Inputs | BNC (pH or ORP electrode), 8 pin MiniDIN (ATC temperature probe) |
| Outputs | None |
| Certifications/Compliance | CE, TUV 3-1, FCC Class A |
| IP Rating | IP-67 |
| AC Adapter | Universal 50-60 Hz, 100-240 VAC power adapter (sold separately, Cat. No. 1010003) |
| Dimensions (L x W x H) | 24 cm x 10 cm x 6.5 cm (9.5 in. x 3.9 in. x 2.6 in.) |
| Weight (Metric) | 0.5 kg |
| Weight (English) | 2 lb. |
| Warranty | 3 Year Meter Warranty |
| Keypad | Simple with highlighted measure key, scroll and shortcut keys |
| Model | Orion Star A121 Portable pH/mV/RmV/Temperature Meter |
| Power Supply | Universal AC adapter (included) or 4 AA batteries (sold separately) |
| Probe Type | pH electrode, ORP electrode, ATC temperature probe (purchase separately) |
| Languages | English |
| Range (Relative mV) | ±1999.9mV |
| Relative Humidity Range | 5 to 85%, non-condensing |
| Isopotential Point | 7.00pH |
| Stability | Smart Stability and Smart Averaging |
| Temperature (English) Operating | 41°F to 113°F (ambient) |
| Temperature (Metric) Operating | 5°C to 45°C (ambient) |
| Channels | 1 |
| Battery Type | 4 x AA |
| Battery Life | 2000 hr. |
| Unit Size | Each |
| Description | Orion Star A121 portable pH meter standard kit with general purpose pH/ATC electrode |
| Includes | Star A121 pH meter, 9107BNMD gel-filled epoxy-body pH/ATC electrode, 916099 pH buffer kit, protective meter armor, hard-sided carrying case, 4 AA batteries |
| Measurement Modes | pH, mV or relative mV with temperature |
| Calibration | pH, relative mV (RmV) and temperature |
| Range (pH) | -2 to 16 |
| Resolution (pH) | 0.01, 0.1 |
| Accuracy (pH) | ±0.01 |
| Range (mV) | ±1600.0 |
| Resolution (mV) | 0.1mV |
| Accuracy (mV) | ±0.2 or ±0.05%, whichever is greater |
| Calibration Points | 1 to 3 |
| Temperature Range (Metric) | -5°C to +105°C |
| Temperature Range (English) | 22.0°F 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 |
| Display Type | LCD |
| Memory | Non-volatile memory preserves log and settings |
| Data Points | 50 |
| Log Function Type | Automatic with Auto-Read Measure Mode, Manual with Continuous Measure Node |
| Data Management Details | Internal Data Point Memory |
| Inputs | BNC (pH or ORP electrode), 8 pin MiniDIN (ATC temperature probe) |
| Outputs | None |
| Certifications/Compliance | CE, TUV 3-1, FCC Class A |
| IP Rating | IP-67 |
| AC Adapter | Universal 50-60 Hz, 100-240 VAC power adapter (sold separately, Cat. No. 1010003) |
| Dimensions (L x W x H) | 24 cm x 10 cm x 6.5 cm (9.5 in. x 3.9 in. x 2.6 in.) |
| Weight (Metric) | 0.5 kg |
| Weight (English) | 2 lb. |
| Warranty | 3 Year Meter Warranty |
| Keypad | Simple with highlighted measure key, scroll and shortcut keys |
| Model | Orion Star A121 Portable pH/mV/RmV/Temperature Meter |
| Power Supply | Universal AC adapter (included) or 4 AA batteries (sold separately) |
| Probe Type | pH electrode, ORP electrode, ATC temperature probe (includes 9107BNMD Orion Triode pH/ATC electrode) |
| Languages | English |
| Range (Relative mV) | ±1999.9mV |
| Relative Humidity Range | 5 to 85%, non-condensing |
| Isopotential Point | 7.00pH |
| Stability | Smart Stability and Smart Averaging |
| Temperature (English) Operating | 41°F to 113°F (ambient) |
| Temperature (Metric) Operating | 5°C to 45°C (ambient) |
| Channels | 1 |
| Battery Type | 4 x AA |
| Battery Life | 2000 hr. |
| Unit Size | Each |
| Catalog Number | Specifications | Unit Size | Description | Includes | Price (USD) | Availability | Quantity | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| STARA1210 | Each | Orion Star A121 portable pH meter | Star A121 pH meter, 4 AA batteries | Price: 589.00 Your Price: | - | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| STARA1215 | Each | Orion Star A121 portable pH meter standard kit with general purpose pH/ATC electrode | Star A121 pH meter, 9107BNMD gel-filled epoxy-body pH/ATC electrode, 916099 pH buffer kit, protective meter armor, hard-sided carrying case, 4 AA batteries | Price: 999.00 Your Price: | - | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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