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Lab Expo Portable Multi-Parameter Water Quality Meter 25-PMM100 is adapted with different modes for measuring the quality of water on different parameters such as pH, ORP, Ion, conductivity, TDS, salinity, dissolved oxygen content. Due to its portable design, it is suitable for outdoor measurements i.e. site water testing, remote area water testing & for research purposes. It is reliable and user-friendly.
| pH Measurement Range | -2.000 to 20.000 pH |
| pH Accuracy | ± 0.002 pH |
| pH Calibration Points | 1 to 5 points |
| pH Calibration Solutions | USA, NIST, DIN, or user-defined |
| ORP Measurement Range | -1999.9 to 1999.9 mV |
| ORP Accuracy | ± 0.2 mV |
| ORP Calibration Points | 1 point |
| ORP Calibration Solutions | mV & relative mV |
| Ion Measurement Range | 0 to 19999 ppm, mg/L, mol/L |
| Ion Accuracy | ± 0.5 % F.S. (monovalent), ± 1 % F.S. (divalent) |
| Ion Calibration Points | 2 to 5 points |
| Ion Calibration Solutions | 0.001, 0.01, 0.1, 1, 10, 100, 1000, 10000 ppm, mol/L, mg/L |
| Conductivity Range | 0 to 20.00, 200.0, 2000 µS/cm, 20.00, 200.2 mS/cm |
| Conductivity Accuracy | ± 0.5 % F.S. |
| Conductivity Calibration | 1 to 5 points |
| Conductivity Solutions | 10 µS/cm, 84 µS/cm, 1413 µS/cm, 12.88 mS/cm, 111.8 mS/cm |
| Temperature Coefficient | 0.0 to 10.0 %/°C |
| Compensation Modes | Linear or pre water |
| Cell Constant | K = 0.1, 1, 10 or user-defined |
| Normalization Temperature | 20 °C or 25 °C |
| TDS Range | 0 to 100 ppt (max. 200 ppt, depending on factor setting) |
| TDS Accuracy | ± 1 % F.S. |
| TDS Factor | 0.1 to 1.0 (default 0.5) |
| Salinity Range | 0 to 100 ppt (max. 80 ppt) |
| Salinity Accuracy | ± 1 % F.S. |
| Measurement Modes | Seawater or practical salinity |
| DO Concentration Range | 0.00 to 20.00 mg/L |
| DO Accuracy | ± 0.2 mg/L |
| DO Calibration Points | 1 to 2 points |
| Pressure Correction | 60.0 to 112.5 kPa, 450 - 850 mmHg |
| Salinity Correction | 0 to 50 g/L |
| % Saturation of Oxygen | 0.0 to 200.0 % |
| Oxygen Accuracy | ± 2.0 % |
| Temperature Compensation | 0 to 100 °C, 32 to 212 °F, Manual or Automatic |
| Stability Conditions | Low or high |
| Calibration Due | 0 to 31 days |
| Memory | Stores up to 500 data sets |
| Output | USB communication interface |
| Power Supply | 3 × 1.5 V “AA” batteries or DC 5 V power adapter |
| Dimension (L × W × H) | 185 × 88 × 32 mm |
| Weight | 300 g |
FunctionImplementationOutdoor water testing300 g weight enables portable field deploymentRemote area analysisUSB communication interface supports data transfer in off-grid locationspH measurement applications± 0.002 pH accuracy ensures precise acidity assessmentDissolved oxygen monitoringDO concentration range of 0.00 to 20.00 mg/L covers aquatic ecosystem evaluationConductivity profilingConductivity range up to 20.2 mS/cm accommodates diverse water sample analysis
pH, conductivity & dissolved oxygen electrodes
PH and conductivity electrodes
pH and dissolved oxygen electrodes
conductivity and dissolved oxygen electrodes
Temperature probe
Calibration solutions
Batteries
Carrying case
