| pH Range | -2.000 pH to 20.000 pH |
| pH Resolution | 0.001 pH,0.01 pH, 0.1 pH, selectable |
| pH Accuracy | ±0.002 pH |
| pH Calibration | 1 point to 5 points |
| pH Buffer Options | USA, NIST, DIN, 2 custom buffers |
| Ion Concentration Range | 0.001 to 19999 (depending on the range of ISE) |
| Ion Concentration Resolution | 0.001, 0.01, 0.1, 1, automatic |
| Ion Concentration Accuracy | ±0.5% F.S. (monovalent), ±1% F.S. (divalent) |
| Ion Concentration Measurement Units | ppm, mg/L, mol/L, mmol/L |
| Ion Concentration Calibration | 2 points to 5 points |
| Ion Concentration Calibration Solutions | 0.001, 0.01, 0.1, 1, 10, 100, 1000, 10000 |
| ORP Absolute mV Range | -1999.9 mV to 1999.9 mV |
| ORP Relative mV Range | -1999.9 mV to 1999.9 mV |
| ORP Resolution | 0.1 mV, 1 mV, selectable |
| ORP Accuracy | ±0.2 mV |
| ORP Calibration | 1 point |
| Temperature Range | 32 °F to 221 °F (0 °C to 105 °C) |
| Temperature Resolution | 0.32 °F (0.1 °C) |
| Temperature Accuracy | ±0.9 °F (±0.5 °C) |
| Temperature Calibration | 1 point, Reading ±50 °F (10 °C) |
| Temperature Compensation | 32 °F to 212 °F (0 °C to 100 °C) manual or automatic |
| Stability Criteria | Low or High |
| Calibration Due Alarm | 1 to 31 days or off |
| Slope/Offset Display | Yes |
| Hold Function | Manual or Auto-read measurement endpoint |
| Auto-Power Off | 10, 20 or 30 minutes after last key pressed |
| Memory | 500 data sets |
| Output Interface | USB |
| Connector | BNC, 0.14 in (3.5 mm) jack socket |
| Display | Custom LCD |
| Power Supply | 3 × 1.5 V AA batteries or DC 5 V power adapter |
| Battery Life | Approximately 150 hours (Turn off the backlight) |
| Environmental Conditions | 32 °F to 122 °F (0 °C to 50 °C),relative humidity <80% |
| Dimensions (L × W × H) | 6.69 in x 3.35 in x 1.18 in (170 mm x 85 mm x 30 mm) |
| Weight | 0.66 lb (0.3 kg) |
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