| pH Range | -2.000 to 20.000pH |
| pH Resolution | 0.001, 0.01,0.1 pH, selectable |
| pH Accuracy | ±0.002 pH |
| pH Calibration Points | 1 to 5 points |
| pH Buffer Options | USA, NIST, DIN, 2 custom buffers |
| ORP Range | ±1999.9 mV |
| ORP Resolution | 0.1,1mV, selectable |
| ORP Accuracy | ±0.2 mV |
| ORP Calibration Points | 1 point |
| Ion Range | 0.001 to 19999 (depending on the range of ISE) |
| Ion Resolution | 0.001, 0.01,0.1, 1 |
| Ion Accuracy | ±0.5% F.S. (monovalent), ±1%F.S. (divalent) |
| Ion Measurement Units | ppm, mg/L, mol/L, mmol/L |
| Ion Calibration Points | 2 to 5 points (0.001, 0.01,0.1, 1,10, 100, 1000, 10000) |
| Conductivity Range | 2 to 20mS/cm |
| Conductivity Resolution | 0.001,0.01,0.1, 1 |
| Conductivity Accuracy | ±0.5% F.S. |
| Conductivity Calibration Points | 1 to 5 points |
| Conductivity Calibration Solutions | 10pS/cm, 84pS/cm, 1413pS/cm, 12.88mS/cm, 111.8mS/cm |
| Conductivity Temperature Coefficient | Linear (0.0 to 10.0%/°C), pure water |
| Conductivity Reference Temperature | 20/25P |
| Conductivity Cell Constant | K=0.1,1,10 or custom |
| TDS Range | 0 to 10.00, 100.0, 1000 ppm, 10.00, 200.0ppt |
| TDS Resolution | 0.01,0.1,1 |
| TDS Accuracy | ±1%F.S. |
| TDS Factor | 0.1 to 1.0 (default 0.5) |
| Salinity Range | 0.00 to 42.00psu, 0.00 to 80.00ppt |
| Salinity Resolution | 0.01 |
| Salinity Accuracy | ±1%F.S. |
| Resistivity Range | 0.00 to 20.00MΩ |
| Resistivity Resolution | 0.01 |
| Resistivity Accuracy | ±1%F.S. |
| Dissolved Oxygen Range | 0.00 to 20.00 mg/L, 0.0 to 200.0% saturation |
| Dissolved Oxygen Resolution | 0.01 mg/L, 0.1% |
| Dissolved Oxygen Accuracy | ±0.2mg/L, ±2.0% |
| Dissolved Oxygen Calibration Points | 1 or 2 points |
| Dissolved Oxygen Barometric Pressure Correction | 60.0 to 112.5 kPa/450 to 850 mmHg, manual |
| Dissolved Oxygen Salinity Correction | 0.0 to 50.0 g/L, manual |
| Temperature Compensation | 0 to 100°C/32 to 212°F, manual or automatic |
| Memory storage | 500 data sets |
| Communication | USB |
| Power Requirements | DC 5 V power adapter |
| Dimension | 210 × 188 × 60 mm |
| Packing dimension | 300 × 250 × 200 mm |
| Net Weight | 1.5 Kg |
| Gross Weight | 1.7 Kg |
