Orion Star™ A221 pH Portable Meter
General Details
Record accurate and reliable pH, mV, ORP and temperature measurements with the Thermo Scientific™ Orion™ Star A221 pH Portable Meter, ideal for a wide range of applications and advanced pH analysis in the field. Perform up to a five point pH calibration, log up to 1000 data point sets with time / date stamp and easily transfer calibration and data logs via USB or RS232 to a printer or computer with free downloadable Orion™ Star Com software. Waterproof meter ensures durable, rugged performance in outdoor environments with an IP67-rated housing.
Specification
| Description | Orion Star A221 pH portable meter |
| Model | Orion Star A221 pH/mV/RmV/ORP/Temperature Portable Meter |
| Item Description | Orion Star A221 pH portable meter |
| Includes | Star A221 pH meter, 4 AA batteries, literature CD, printed quick start guide, computer interface cable and meter test certificate |
| Range (pH) | -2.000 to 20.000pH |
| Resolution (pH) | 0.1, 0.01, 0.001pH |
| Accuracy (pH) | ±0.002pH |
| Range (mV) | ±2000.0mV |
| Range (Relative mV) | ±2000.0mV |
| Range (ORP) | ±2000.0mV |
| Resolution (mV) | 0.1mV |
| Accuracy (mV) | ±0.2 mV or ±0.05% of reading whichever is greater |
| Calibration | pH, relative mV (RmV), ORP and temperature |
| Calibration Points (pH) | 1 to 5 |
| Calibration Points | 1 point relative mV (RmV) mode, 1 point ORP mode |
| Isopotential Point | 7.000pH |
| 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 | Graphic LCD with backlight |
| Keypad | Comprehensive with menu-specific function keys and dual purpose scroll/shortcut keys |
| Measurement Modes | pH, mV, relative mV (RmV) or ORP with temperature |
| Stability | Smart Stability and Smart Averaging |
| Data Management Details | Transfer single, range or all data points to printer or computer |
| Data Points | 1000 with date and time stamp |
| Log Function Type | Automatic data logging with Auto-Read measure mode; manual data logging with Continuous measure mode |
| Memory | Non-volatile memory preserves data log, calibration log and meter settings |
| Alarm Output | Calibration due alarm (fixed 12 hour) |
| Methods | 10 per channel with password protection |
| Languages | English, Spanish, French, Italian, German and Chinese; Portuguese and Korean available with software update |
| Inputs | BNC (pH or ORP electrode), pin-tip (reference electrode), 8 pin MiniDIN (ATC temperature probe) |
| Outputs | USB, RS232 |
| Probe Type | pH electrode, ORP electrode, reference half-cell electrode, ATC temperature probe (purchase separately) |
| Power Supply | 4 AA batteries (included) or universal AC adapter (sold separately) |
| AC Adapter | Universal 50-60 Hz, 100-240 VAC power adapter (sold separately, Cat. No. 1010003) |
| Battery Life | 800 hours |
| Battery Type | Four AA (included) |
| IP Rating | IP-67 |
| 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 10cm x 6.5cm (9.5 in. x 3.9 in. x 2.6 in.) |
| Weight (English) | 1.2 lb. |
| Weight (Metric) | 0.5kg |
| Backlight Option | Yes, selectable |
| Warranty | 3 year meter warranty |
Features
Don’t leave your measurements to chance when analyzing samples outside the lab. Orion Star A221 pH portable meters are designed to offer the reliability you need in a user-friendly package for your dedicated pH testing needs. This waterproof portable meter displays critical data with your measurement including temperature, date and time, read type, measurement stability, active calibration info and power source status.
- Measure pH, mV, relative mV or ORP with temperature
- Perform up to a five point pH calibration using automatic buffer recognition of NIST or DIN buffer groups with choice to manually enter custom buffer values
- Informative, easy-to-read backlit graphic display with clear onscreen instructions simplifies operation
- Capture your critical readings with measurement stability indicator and selectable read modes – Auto-Read holds a stable reading and Continuous shows changing readings with hold option
- Data log collects and date/time stamps up to 1000 measurement sets
- Non-volatile meter memory ensures your data and settings are protected, even with loss of power
- Orion Star Com software facilitates data transfer to a computer via USB or RS232 connections
- Flexible power options with AA batteries or optional universal power adapter
Documents