| pH Range | 0.00 to 14.00 pH |
| pH Resolution | 0.01 pH |
| pH Accuracy | ±0.01 pH |
| Calibration points | Up to 2 |
| Standard recognition | NIST buffers |
| mV Range | -1800 to 1800 mV |
| mV Resolution | 1 mV |
| mV Accuracy | ±0.1%FS |
| pH Range | -2.00 to 18.00 pH |
| pH Resolution | 0.01 pH |
| pH Accuracy | ±0.01 pH |
| Calibration points | Up to 3 |
| Standard recognition | NIST buffers |
| mV Range | -1999 to 1999 mV |
| mV Resolution | 1 mV |
| mV Accuracy | ±0.1%FS |
| pH Range | -2.00 to 18.00 pH |
| pH Resolution | 0.01 pH |
| pH Accuracy | ±0.01 pH |
| Calibration points | Up to 3 |
| Standard recognition | NIST buffers |
| mV Range | -1999 to 1999 mV |
| mV Resolution | 1 mV |
| mV Accuracy | ±0.1%FS |
| pH Range | -2.00 to 20.00pH |
| pH Resolution | 0.1, 0.01 pH |
| pH Accuracy | ±0.01 pH |
| Calibration points | Up to 5 |
| Standard recognition | NIST, GB, DIN buffers |
| mV Range | -2000.0 to 2000.0 mV |
| mV Resolution | 0.1 mV |
| mV Accuracy | ±0.3 mV or ±0.1% |
| pH Range | -2.000 to 20.000 pH |
| pH Resolution | 0.1, 0.01, 0.001 pH |
| pH Accuracy | ±0.002 pH |
| Calibration points | Up to 5 |
| Standard recognition | NIST, GB, DIN, USA, MERK buffers |
| mV Range | -2000.00 to 2000.00 mV |
| mV Resolution | 0.1, 0.01 mV |
| mV Accuracy | ±0.1 mV or ±0.03% |
| pH Range | -2.000 to 20.000 pH |
| pH Resolution | 0.1, 0.01, 0.001 pH |
| pH Accuracy | ±0.002 pH |
| Calibration points | Up to 6 |
| Calibration reminder | Yes |
| Standard recognition | NIST, GB, DIN, USA, MERK, JIS buffers |
| mV Range | -2000.00 to 2000.00 mV |
| mV Resolution | 0.1, 0.01 mV |
| mV Accuracy | ±0.1 mV or ±0.03% |
| EH ORP mode | Yes |
| ORP calibration points | 1 custom point (relative mV) |
| pH Range | -2.000 to 20.000 pH |
| pH Resolution | 0.1, 0.01, 0.001 pH |
| pH Accuracy | ±0.002 pH |
| Calibration points | Up to 6 |
| Calibration reminder | Yes |
| Standard recognition | NIST, GB, DIN buffers |
| mV Range | -2000.00 to 2000.00 mV |
| mV Resolution | 0.1, 0.01 mV |
| mV Accuracy | ±0.03%FS |
