| pH | Range | -2.000~20.000pH | — |
| Resolution | 0.001, 0.01, 0.1pH, selectable | — |
| Accuracy | ±0.002pH | — |
| Calibration Points | 1 to 5 points | — |
| pH Buffer Options | USA, NIST, DIN, 2 custom buffers | — |
| ORP | Range | ±1999.9mV | — |
| Resolution | 0.1, 1mV, selectable | — |
| Accuracy | ±0.2mV | — |
| Calibration Points | 1 point | — | 1 point | 1 point | — |
| Ion | Range | 0.001~19999 (depending on the range of ISE) | — | — | — | — |
| Resolution | 0.001, 0.01, 0.1, 1 | — | — | — | — |
| Accuracy | ±0.5% F.S. (monovalent), ±1% F.S. (divalent) | — | — | — | — |
| Measurement Units | ppm, mg/L, mol/L, mmol/L | — | — | — | — |
| Calibration Points | 2 to 5 points (0.001, 0.01, 0.1, 1, 10, 100, 1000, 10000) | — | — | — | — |
| Conductivity | Range | 0.01~20.00, 200.0, 2000µS/cm, 20.00, 200.0mS/cm | — | 0.01~20.00, 200.0, 2000µS/cm, 20.00, 200.0mS/cm |
| Resolution | 0.001,0.01,0.1,1 | — | 0.001,0.01,0.1,1 |
| Accuracy | ±0.5% F.S. | — | ±0.5% F.S. |
| Calibration Points | 1 to 5 points | — | 1 to 5 points |
| Calibration Solutions | 10µS/cm, 84µS/cm, 1413µS/cm, 12.88mS/cm, 111.8mS/cm | — | 10µS/cm, 84µS/cm, 1413µS/cm, 12.88mS/cm, 111.8mS/cm |
| Temperature Coefficient | Linear (0.0~10.0%/°C), pure water | — | Linear (0.0~10.0%/°C), pure water |
| Reference Temperature | 20/25°c | — | 20/25°c |
| Cell Constant | K=0.1, 1, 10 or custom | — | K=0.1, 1, 10 or custom |
| TDS | Range | 0~10.00, 100.0, 1000ppm, 10.00, 200.0ppt | — | 0~10.00, 100.0, 1000ppm, 10.00, 200.0ppt |
| Resolution | 0.01,0.1,1 | — | 0.01,0.1,1 |
| Accuracy | ±1% F.S. | — | ±1% F.S. |
| TDS Factor | 0.1~1.0 (default 0.5) | — | 0.1~1.0 (default 0.5) |
| Salinity | Range | 0.00~42.00psu, 0.00~80.00ppt | — | 0.00~42.00psu, 0.00~80.00ppt | — | 0.00~42.00psu, 0.00~80.00ppt |
| Resolution | 0.01 | — | 0.01 | — | 0.01 |
| Accuracy | ±1% F.S. | — | ±1% F.S. | — | ±1% F.S. |
| Resistivity | Range | 0.00~20.00MΩ | — | 0.00~20.00MΩ | — | 0.00~20.00MΩ |
| Resolution | 0.01 | — | 0.01 | — | 0.01 |
| Accuracy | ±1% F.S. | — | ±1% F.S. | — | ±1% F.S. |
| DO | Range | 0.00~20.00mg/L, 0.0~200.0% saturation | — | — | 0.00~20.00mg/L, 0.0~200.0% saturation | 0.00~20.00mg/L, 0.0~200.0% saturation |
| Resolution | 0.01mg/L, 0.1% | — | — | 0.01mg/L, 0.1% | 0.01mg/L, 0.1% |
| Accuracy | ±0.2mg/L, ±2.0% | — | — | ±0.2mg/L, ±2.0% | ±0.2mg/L, ±2.0% |
| Calibration Points | 1or 2 points | — | — | 1or 2 points | 1or 2 points |
| Barometric Pressure Correction | 60.0~112.5kPa/ 450~850mmHg, manual | — | — | 60.0~112.5kPa/ 450~850mmHg, manual | 60.0~112.5kPa/ 450~850mmHg, manual |
| Salinity Correction | 0.0~50.0g/L, manual | — | — | 0.0~50.0g/L, manual | 0.0~50.0g/L, manual |
| General Spec. | Temperature Compensation | 0~100°C/32~212°F, manual or automatic |
| Memory | 500 data sets, USB communication interface |
| Power Requirements | DC5V power adapter |
| Sizes(W×D×H) | 210×188x60 |
| Shipping Size (W×D×H)(mm) | 300x250x200 |
| N.W./G.W. (kg) | 1.5/2 |
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