Portable water hardness meter LPWM-A10 comes with LCD display, 2 to 5 points calibration system with low to high concentration range. It can measure salts of calcium, magnesium at mg/L, mmol/ scale. The calibration due reminder alerts user for calibration of the meter on regular basis. The System menu allows setting the 7 parameters like stability condition, auto-power off etc.
| Water hardness range | 0.05 mmol / L - 0.2 mol / L<br/> (CaCO<sub>3</sub>) 0 - 19999 mg / L, (CaO) 0 - 11220 mg / L, (boiler) 0 - 400 mmol / L, (Ca) 0 - 8020 mg / L<br/> (German degree) 0 - 1122 °dH, (English degree) 0 - 1404 °e, (French degree) 0 - 2000 °f |
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| Accuracy | ± 1 % F.S. |
| Calibration points | 2 to 5 points |
| Calibration solution | 0.001, 0.01, 0.1 mmol / L, 0.001, 0.01, 0.1 mol / L |
| Temperature compensation range | 0 - 50 °C |
| Compensation mode | Manual or automatic |
| Data hold function | Manual or automatic endpoint detection |
| Reset function | Yes |
| Stability condition | Low or high |
| Calibration due | 0 to 31 days |
| Memory | Stores up to 500 sets of data |
| Output | USB communication interface |
| Connector | BNC |
| Battery life | Approximately 150 hours |
| Power | 3 × 1.5 V “AA” batteries |
| Dimension (L × W × H) | 170 × 85 × 30 mm |
| Weight | 300 g |
Portable water hardness meter is used in testing the hardness level of tap water, drinking water, filtered water, water used for different experiments and testing across food, textile, painting & other industries.
| Measurement range | 20000 mg/L <br/> 0.01 mg/L ~ 45000 mg/L <br/> 0.01 mg/L ~ 120000 mg/L |
| Measurement accuracy | ± 2 % F.S. of its range ( Depending on the homogeneity of sludge) |
| Pressure range | ≤ 0.4 Mpa |
| Flow rate | ≤ 2.5 m/s, 8.2 ft./s |
Labtron benchtop meters are easy to use. The LCD display, manual or automatic mode of calibration, universal connector and other features are included in this range to produce accurate, reliable results. It consist of benchtop meter for measuring pH, conductivity, dissolved oxygen content, Ion concentration, water hardness level. These meters are suitable for simple to complex applications in water quality testing, research and analysis etc.
| Conductivity measurement range | 0.000 μS/cm to 3000mS/cm |
| Resistivity measurement range | 5.00 Ω·cm to 100.0 MΩ·cm |
| TDS measurement range | 0.000 mg/L to 1000g/L |
| Salinity measurement range | 0.00 to 8.00 % |
| Conductivity Mode |
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| TDS Mode |
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| Temperature Mode |
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| Cell constant | K=0.1, 1, 10 |
| Conductivity measurement range | 0 - 20.0, 200.0, 2000 µS / cm, 200.0 mS / cm |
| Conductivity accuracy | ± 1 % F.S. |
| Conductivity resolution | 0.01, 0.1, 1 |
| Conductivity calibration solutions | 10 µS / cm , 84 µS / cm, 1413 µS / cm, 12.88 mS / cm, 111.8 mS / cm |
| pH measurement range | 01.00 to 15.00 pH |
| pH calibration points | 1 to 3 points |
| pH Buffer Solutions | USA (pH 4.01, 7.00, 10.01) or NIST (pH 4.01, 6.86, 9.18) |
| pH accuracy | ± 0.01 pH |
| Conductivity |
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| TDS |
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| Temperature |
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| Temperature compensation | 0 to 100 °C, 32 to 212 ° F, Manual or Automatic |
| Conductivity |
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| Temperature |
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| Temperature compensation | 0 to 100 °C, 32 to 212 ° F, Manual or Automatic | ||||||||||
| Temperature coefficient | Linear |
| Conductivity |
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| Salinity |
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| Temperature |
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| Temperature compensation | 0 to 100 °C, 32 to 212 ° F, Manual or Automatic |
| Measuring range | Water activity 0 to 0.980 aw (no condensing ) |
| Temperature range | 0 to 50°C |
| Measurement accuracy | ± 0.015 aw |
| Temperature accuracy | ± 0.5°C |
| Range | 0 to 1.0 aw |
| Resolution | 0 to 1.0 aw |
| Accuracy | ± 0.02 aw |
| Sensor | Nonconductive humidity sensor |