Portable pH/ORP Meter (PH-221)
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Product details
Portable pH/ORP Meter ( Model pH221)
Application:
Economy portable pH meter, 2 points calibration, automatic temperature compensation, system menu contains 2 optional parameters. The meter is used for measuring the pH and millivolt of samples. Accuracy: 0.01pH.
Features:
* Stability indicator automatically shows current measurement status.
* Auto-Hold function freezes stable reading for easy viewing and recording.
* Automatic electrode diagnosis shows offset and electrode slope.
* Reset feature automatically resumes parameters back to factory default options.
pH Mode (For PH-221/320):
* 1 to 5 points push-button calibration with auto-buffer recognition.
* Automatic electrode slope display helps user decide whether to replace sensor.
* Automatic Temperature Compensation provides accurate measured values.
* Calibration Due Reminder prompts you to calibrate the meter regularly.
ORP Mode(For PH-221/320):
* 1 point offset calibration allows adjusting the displayed value to a known standard.
* Relative and absolute mV measurement modes provide accurate ORP readings.
Model | PH-221 | ||
| pH Range | -2.000~20.000pH | ||
| pH Accuracy | 0.002pH | ||
| Resolution | 0.1, 0.01, 0.001pH, Selectable | ||
| Calibration Points | 1~5 points
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| Calibration Solutions | USA (pH1.68/4.01/7.00/10.01/12.45), NIST (pH1.68/4.01/6.86/9.18/12.45), DIN (pH1.09/4.65/6.79/9.23/12.75) or User-defined | ||
| Temperature Compensation | 0~100C, 32~212F, Manual or Automatic | ||
| mV Range | -1999.9~1999.9mV | ||
| mV Accuracy | 0.2mV | ||
| Resolution | 0.1, 1mV, Selectable | ||
| Calibration Points | 1 point (Only for Relative mV mode) | ||
| Ion Concentration Range | / | ||
| Ion Concentration Accuracy | / | ||
| Calibration Points | / | ||
| Temperature Range | 0~105C, 32~221F | ||
| Temperature Accuracy | 0.5C,0.9F | ||
| Resolution | / | ||
| Hold Function | / | ||
| Memory | Stores up to 500 data sets | ||
| Output | USB Communication Interface | ||
| Connector | BNC | ||
| Power Requirements | 31.5V "AA" batteries or DC5V power adapter | ||
| Dimensions(W*D*H) | 170*85*30mm | ||
| Package Size(W*D*H) | 475*155*350mm | ||
| Net Weight | 300g | ||
| Gross weight | 2kg | ||