Benchtop multi-parameter water quality meter LMPWM-A31 is comes with different measurement modes for quality and testing of water on different parameters. It measures pH, Conductivity, TDS, Salinity, Resistivity content from the test sample. It stores and recalls up to 500 sets of data. Calibration due reminder informs operator to calibrate the meter regularly.
| pH Mode |
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| ORP Mode | |||||||||||||||||||
| mV Mode |
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| Ion Mode | |||||||||||||||||||
| Water Hardness Mode | |||||||||||||||||||
| Temperature Mode | |||||||||||||||||||
| Conductivity Mode |
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| TDS Mode |
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| Salinity Mode |
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| Resistivity Mode |
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| Dissolved Oxygen Mode | |||||||||||||||||||
| Temperature Range | 0 to 105°C, 32 to 221°F | ||||||||||||||||||
| Temperature Accuracy | ± 0.5°C | ||||||||||||||||||
| Temperature Resolution | 0.1°C | ||||||||||||||||||
| Temperature Calibrations Points | 1 Point | ||||||||||||||||||
| Temperature Compensation Mode | Manual or Automatic | ||||||||||||||||||
| Data Hold Function | Manual or Automatic Endpoint Detection | ||||||||||||||||||
| Stability Criteria | Low or High | ||||||||||||||||||
| Calibration Due Alarm | 1 to 31 Days | ||||||||||||||||||
| Reset Function | Yes | ||||||||||||||||||
| Memory | Stores Up to 500 data sets | ||||||||||||||||||
| Output | USB interface | ||||||||||||||||||
| Connector | BNC, 6-pin mini plug | ||||||||||||||||||
| Display | LCD | ||||||||||||||||||
| Power supply | DC5 V, AC 220 V, 50 Hz | ||||||||||||||||||
| Dimension (L × W × H) | 210 × 188 × 60 mm | ||||||||||||||||||
| Weight | 1.5 kg |
Used for quality checking of water on different parameters across research, QC labs, water management plants and others production units.
| Accessories No. | Name |
| 1 | pH Electrode (for general liquids) |
| 2 | Conductivity Electrode (for general liquids) |
| 3 | Temperature probe |
| 4 | pH Buffer pouches (pH 4.01/ 7.00/ 10.01) |
| 5 | Conductivity standard solutions (10, 84, 1413 µS/cm, 12.88, 111.8 mS/ cm) |
| 6 | USB cable |
| 7 | DC5 V power adapter |
| Accessories No. | Name |
| 1 | Temperature probe |
| 2 | Calibration Solutions for pH and Conductivity |
| 3 | pH electrodes suitable for non-aqueous, high alkalinity, low conductivity, tis buffers, biofuels and others |
| 4 | Conductivity electrode suitable for Pure water, general applications, high conductivity liquids |
| 5 | DC5V power adapter |
| pH range | -2.00 to 20.00 pH |
| pH Accuracy | ± 0.002 pH |
| pH Resolution | 0.1/0.01/0.001 pH, selectable |
| pH Calibration Points | 1 to 5 Points |
| pH Buffer Solutions | USA (pH 4.0/7.00/10.01) or NIST (pH 4.01/6.86/9.18) or DIN buffers |
| mV Range | -1999.9 to 1999.9 mV |
| mV Accuracy | ± 0.2 mV |
| mV Resolution | 0.1/1 mV, selectable |
| mV Calibration Points | 1 Point |
| Conductivity Range | 0.01 to 20.00, 200.0, 2000 µS/cm, 20.00, 200.0 mS/cm |
| Conductivity Accuracy | ± 0.5% F.S. |
| Conductivity Resolution | 0.01/0.1/1 |
| Conductivity Calibration Points | 1 to 5 Points |
| Conductivity Solutions | 10, 84, 1413 µS/cm, 12.88, 111.8 mS/ cm |
| Conductivity Temperature coefficient | 0.0 to 10.0 %/°C |
| Compensation mode | Linear or Pure Water |
| Cell Constant | K=0.1, 1, 10 or Custom |
| Reference temperature | 20 or 25°C |
| Dissolved Oxygen Range | 0.00 to 20.00 mg/ L |
| Dissolved Oxygen Accuracy | ± 0.2 mg/ L |
| Dissolved Oxygen Resolution | 0.1/ 0.01 mg/ L, selectable |
| Dissolved Oxygen Calibration Points | 1 or 2 Points |
| % Saturation Range | 0.0 to 200.0 % with ± 2 % accuracy |
| Pressure correction | 60 to 112.5 kPa, 450 to 850 mmHg |
| Salinity correction | 0 to 50 g/ L |
| pH range | -2.00 to 20.00 pH |
| pH Accuracy | ± 0.002 pH |
| pH Resolution | 0.1/0.01/0.001 pH, selectable |
| pH Calibration Points | 1 to 5 Points |
| pH Buffer Solutions | USA (pH 4.0/7.00/10.01) or NIST (pH 4.01/6.86/9.18) or DIN buffers |
| mV Range | ± 2000 mV |
| mV Accuracy | ± 0.2 mV |
| mV Resolution | 0.1 mV, selectable |
| mV Calibration Points | 1 Point, only for relative mode |
| Ion measurement range | 0.01 to 30000 ppm, mg/l, mol/l, mmol/l (refer Range of ion selection) |
| Ion measurement accuracy | ±0.5% F.S (Monovalent), ±1% F.S (Divalent) |
| Ion measurement resolution | 0.001/0.01/0.1/1 |
| Ion measurement calibration points | 2 to 5 points |
| Ion measurement calibration solutions | 0.001/0.01/0.1/1/10/100/1000/10000 ppm, mg/L, mol/L |
| Ion measurement methods | Direct reading, Known addition, Known subtraction, Sample addition, Sample subtraction |
| Water hardness measurement range | 0.05-200mmol/L, 0-1120°dH, 0-1404°e, 0-2000°fH, 0-8000mg/L (Ca2+), 0~19999mg/L (CaCO3) |
| Water hardness measurement accuracy | ±1% F.S |
| Water hardness measurement resolution | 0.001/0.01/0.1/1 |
| Water hardness calibration points | 2 to 5 points |
| Water hardness calibration solutions | 0.01/0.1/1/10/100 mmol/L |
| pH range | -2.00 to 20.00 pH |
| pH Accuracy | ± 0.002 pH |
| pH Resolution | 0.1/0.01/0.001 pH, selectable |
| pH Calibration Points | 1 to 5 Points |
| pH Buffer Solutions | USA (pH 4.0/7.00/10.01) or NIST (pH 4.01/6.86/9.18) or DIN buffers |
| mV Range | -1999.9 to 1999.9 mV |
| mV Accuracy | ± 0.2 mV |
| mV Resolution | 0.1/1 mV, selectable |
| mV Calibration Points | 1 Point |
| Conductivity Range | 0.01 to 20.00, 200.0, 2000 µS/cm, 20.00, 200.0 mS/cm |
| Conductivity Accuracy | ± 0.5% F.S. |
| Conductivity Resolution | 0.01/0.1/1 |
| Conductivity Calibration Points | 1 to 5 Points |
| Conductivity Solutions | 10, 84, 1413 µS/cm, 12.88, 111.8 mS/ cm |
| Conductivity Temperature coefficient | 0.0 to 10.0 %/°C |
| Compensation mode | Linear or Pure Water |
| Cell Constant | K=0.1, 1, 10 or Custom |
| Reference temperature | 20 or 25°C |
| TDS Range | 0 to 10.00, 100.0, 1000 ppm, 10.00, 100 ppt (Max. 200 ppt) |
| TDS Accuracy | ± 1 % F.S. |
| TDS Factor | 0.1 to 1.0 (default 0.5) |
Labtron pocket testers are small and compact in size, gives fast and accurate results. The Pocket testers consist of pH, ORP, TDS, dissolved oxygen, salinity and conductivity tester for various laboratory as well as outdoor applications. Measurements can be taken by inserting the probe in to the test solution and after gentle stirring, stable readings can be noted down.
Labtron portable meters are used in quality analysis of water and other solutions. With portability, waterproof features, finds applications in indoor as well as outdoor measurement of pH, ORP, dissolved oxygen, water hardness, salinity, TDS etc.
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.
Labtron pocket testers are small and compact in size, gives fast and accurate results. The Pocket testers consist of pH, ORP, TDS, dissolved oxygen, salinity and conductivity tester for various laboratory as well as outdoor applications. Measurements can be taken by inserting the probe in to the test solution and after gentle stirring, stable readings can be noted down.
