| pH mode |
| pH measurement range | pH accuracy | pH calibration points | pH calibration solutions | | (-2.000) to 20.000 pH | ± 0.002 pH | 1 - 5 points | USA, NIST, DIN or user defined |
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| ORP measurement |
| ORP measurement range | ORP accuracy | ORP calibration points | ORP calibration solutions | | -1999.9 to 1999.9 mV | ±0.2 mV | 1 point | mV & relative mV |
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| Ion measurement |
| Ion measurement range | Ion accuracy | Ion calibration points | Ion calibration solutions | | 0 to 19999 ppm, mg/L, mol/L | ± 0.5 % F.S. (monovalent), ± 1 % F.S. (divalent) | 2 - 5 points | 0.001, 0.01, 0.1, 1, 10, 100, 1000, 10000 ppm, mol/L, mg/L |
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| Conductivity measurement |
| Conductivity measurement range | Conductivity accuracy | Conductivity calibration points | Conductivity calibration solutions | Temperature coefficient | Compensation modes | Cell constant | Normalization temperature | | 0 - 20.00, 200.0, 2000 µS / cm, 20.00, 200.2 mS / cm | ± 0.5 % F.S. | 1 - 5 points | 10 µS / cm, 84 µS / cm, 1413 µS / cm, 12.88mS / cm, 111.8mS / cm | 0.0 to 10.0 % / °C | Linear or pre water | K = 0.1, 1, 10 or user-defined | 20 °C or 25 °C |
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| TDS measurement |
| TDS range | TDS accuracy | TDS factor | | 0 to 100 ppt. (max. 200 ppt., depending on factor setting) | ± 1 % F.S. | 0.1 - 1.0 (default 0.5) |
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| Salinity measurement |
| Salinity range | Salinity accuracy | Measurement modes | | 0 to 100 ppt. (max. 80 ppt.) | ± 1 % F.S | Seawater or practical salinity |
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| Resistivity |
| Resistivity range | Resistivity accuracy | Resistivity resolution | | 0 to 100 Ω | ± 1 % F.S | 0.01, 0.1, 1 |
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| Dissolved oxygen |
| DO concentration range | DO accuracy | Calibration points | Pressure correction | Salinity correction | % Saturation of Oxygen | Accuracy | | 0.00 to 20.00 mg/L | ± 0.2 mg/L | 1 - 2 points | 60.0 to 112.5 kPa, 450 - 850 mmHg | 0 to 50 g/L | 0.0 to 200.0 % | ± 2.0 % |
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| Temperature compensation |
0 to 100 °C, 32 to 212 °F, Manual or Automatic
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| Stability conditions |
Low or high
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| Calibration due |
0 to 31 days
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| Memory |
Stores up to 500 data sets
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| Output |
USB communication interface
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| Dimension (L × W × H) |
185 × 88 × 32 mm
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| Weight |
300 g
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| Power supply |
3 × 1.5 V “AA batteries or DC 5 V power adapter
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