Portable pH/ORP meter LPRPM-A11 with high precision can improve temperature measurement accuracy through manual temperature calibration. It measure pH, mV, ORP, temperature of the sample. Equipped with built-in system menu helps in customize selection of up to 9 functional parameters. The unique calibration due reminder alerts user to calibrate the pH meter regularly. The Multi-mode power solution ensures smooth instrument usage. Its complied in accordance with GLP standards.
Get Catalog| pH range | (-2.00) to 20.00 pH |
| pH accuracy | ± 0.002 pH |
| pH resolution | 0.1, 0.01, 0.001 pH |
| Calibration points | 1 - 5 points |
| Calibration solutions | USA (pH 4.01 / 7.00 / 10.01 / 12.45), NIST(pH 1.68 / 4.01 / 6.86 / 9.18 / 12.45), DIN (pH 1.09 / 4.65 / 6.79 / 9.23 / 12.75) or user defined |
| Temperature compensation | 0 to 100 °C, 32 to 212 °F, Manual or Automatic |
| mV range | (-1999) to 1999 mV |
| mV accuracy | ± 0.2 mV |
| mV resolution | 0.1, 1 mV |
| Temperature measuring range | 0 to 100 °C, 32 to 212 °F |
| Temperature accuracy | ± 0.5 °C, ± 0.9 °F |
| Temperature resolution | 0.1 °C |
| Hold function | Manual |
| Storage/memory | Stores up to 500 data sets |
| Communication output | USB interface |
| Connector | BNC |
| Dimension (L × W × H) | 170 × 85 × 30 mm |
| Weight | 300 g |
| Battery life | About 150 hours |
| Power | 4.5 V “AA batteries or DC 5 V power adapter |
The portable pH/ORP meter has applications in waste water treatment & water management, aquaculture, food & beverage processing, environmental monitoring & research and educational purpose.
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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.
| Temperature compensation | 0 to 100°C, 32°F to 212°F Manual or Automatic |
| Hold function | Manual or automatic endpoint detection |
| Stability criteria | Standard or High-accuracy |
| pH measurement range | 0.00 to 14.00 pH |
| pH accuracy | ± 0.01 pH |
| pH resolution | 0.01 pH |
| pH measurement range | -1.00 to 15.00 pH |
| pH accuracy | ± 0.01 pH |
| pH resolution | 0.01 pH |
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 - 20.0, 200.0, 2000 µS / cm, 200.0 mS / cm |
| Conductivity accuracy | ± 1 % F.S. |
| Conductivity resolution | 0.01, 0.1, 1 |
| 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 |
| Conductivity Mode | 0.01-20.0, 200.0, 2000 µS/cm, 20.00, 200.0 mS/cm, ±1% F.S., 0.001, 0.01, 0.1, 1, 1 to 3 points, 10 µS/cm , 84 µS/cm, 1413 µS/cm, 12.88 mS/cm, 111.8 mS/cm |
| TDS Mode | 0 to 10.00, 100.0, 1000 ppm, 10.00, 100 ppt (Max. 200 ppt), ± 1 % F.S., 0.01 to 1.00 (default 0.5), 3 points |
| Temperature Mode | 0 to 105°C, 32 to 221°F, ±1°C, 0.1°C, 0.1°F, 1 point, Manual or Automatic, 0 to 100°C , 32 to 212°F, 0.0 to 10.0 % per °C |
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.
| Dissolved oxygen range | 0.0 to 20.0 mg / L (or ppm) |
| Dissolved oxygen accuracy | ± 0.5 mg / L |
| Resolution | 0.1 mg / L |
| Dissolved oxygen range | 0.0 to 20.0 mg / L (or ppm) |
| Dissolved oxygen accuracy | ± 0.2 mg / L |
| Resolution | 0.01 mg / L |
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.
| Ion measurement range | Cl range: 5 × 106 - 1 M, 1.8 - 35500 ppm |
| Ion measurement accuracy | ± 0.5 % F.S. |
| Resolution | 0.001, 0.01, 0.1, 1 |
| Ion measurement range | F range: 1 × 106M – saturation, 0.02 ppm to saturation |
| Ion measurement accuracy | ± 0.5 % F.S. |
| Resolution | 0.001, 0.01, 0.1, 1 |
| Ion measurement range | Na range: 1 × 105 - 1 M, 0.1 - 23000 ppm |
| Ion measurement accuracy | ± 0.5 % F.S. |
| Resolution | 0.001, 0.01, 0.1, 1 |
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.
| Conductivity measurement range | 1.0 to 199.9 µS/cm |
| Type of conductivity | Low range conductivity |
| Conductivity accuracy | ± 1 % F.S. |
| Conductivity measurement range | 10 to 1999 µS/cm |
| Type of conductivity | Mid-range conductivity |
| Conductivity accuracy | ± 1 % F.S. |
| Conductivity measurement range | 0.1 to 19.99 mS/cm |
| Type of conductivity | High range conductivity |
| Conductivity accuracy | ± 1 % F.S. |
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.
| Sensor type | Platinum sensor |
| Connector | 6 pin |
| ORP measurement range | (-999) to 999 mV |
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.
| pH measurement range | 0.0 - 14.00 pH |
| Shape of electrode | Round glass pH electrode |
| pH measurement accuracy | ± 0.1 pH |
| pH measurement range | 0.0 - 14.00 pH |
| Shape of electrode | Flat pH electrode |
| pH measurement accuracy | ± 0.1 pH |
| pH measurement range | 0.0 - 14.00 pH |
| Shape of electrode | Long distance planar pH electrode |
| pH measurement accuracy | ± 0.1 pH |
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.
| Salinity measurement range | 0.00 to 10.00 ppt |
| Salinity accuracy | ± 1 % F.S |
| Conductivity range | 0 - 20.00, 200.0, 2000 µS/cm, 20.00 mS/cm |
| Salinity measurement range | 0.00 to 80.00 ppt |
| Salinity accuracy | ± 1 % F.S |
| Conductivity range | 0 - 200.0 µS/cm, 100 - 2000 µS/cm, 20.00 mS/cm |
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.
| TDS range | 0.5 - 100.0 ppm |
| TDS accuracy | ± 1 % F.S. |
| TDS factor | 0.4 to 1.0 (default 0.5) |
| TDS range | 5 - 1000 ppm |
| TDS accuracy | ± 1 % F.S. |
| TDS factor | 0.4 to 1.0 (default 0.5) |
| TDS range | 0.05 - 10.00 ppt |
| TDS accuracy | ± 1 % F.S. |
| TDS factor | 0.4 to 1.0 (default 0.5) |
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.
| Dissolved oxygen range | 0.0 to 20.0 mg / L (or ppm) |
| Dissolved oxygen accuracy | ± 0.5 mg / L |
| Resolution | 0.1 mg / L |
| Dissolved oxygen range | 0.0 - 20.0 mg / L (or ppm) |
| Dissolved oxygen accuracy | ± 0.2 mg / L |
| Resolution | 0.01 mg / L |
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.
| pH mode | (-2.000) to 20.000 pH, ± 0.002 pH, 1 - 5 points, USA, NIST, DIN or user defined |
| ORP measurement | -1999.9 to 1999.9 mV, ±0.2 mV, 1 point, mV & relative mV |
| Conductivity measurement | 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 |
| pH mode | (-2.000) to 20.000 pH, ± 0.002 pH, 1 - 5 points, USA, NIST, DIN or user defined |
| ORP measurement | -1999.9 to 1999.9 mV, ±0.2 mV, 1 point, mV & relative mV |
| Dissolved oxygen | 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 % |
| pH mode | (-2.000) to 20.000 pH, ± 0.002 pH, 1 - 5 points, USA, NIST, DIN or user defined |
| ORP measurement | -1999.9 to 1999.9 mV, ±0.2 mV, 1 point, mV & relative mV |
| Ion measurement | 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 |
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.
| COD | 2 to 10000 mg/ L, COD < 50 mg/ L, ≤ ± 10 % and COD > 50 mg/ L, ≤ ± 5 %, 0.1 mg/ L, 20 minutes, ≤ ± 5 %, , Colorimetric tubes and Cuvette, 165 ± 0.5°C, 10 min, 3 pcs, (Cl) < 1000 mg/ L No effect |
| Ammonia nitrogen | 0.02 to 60 mg/ L, ≤ ± 10 %, 0.01 mg/ L, 10 to 15 minutes, ≤ ± 5 %, , Colorimetric tubes and Cuvette, 3 pcs |
| Total phosphorous | 0.002 to 20 mg/ L, ≤ ± 5 %, 0.001 mg/ L, 35 to 50 minutes, ≤ ± 5 %, , Colorimetric tubes and Cuvette, 120 ± 0.5°C, 30 min, 3 pcs |
| COD | 5 to 5000 mg/ L, COD < 50 mg/ L, ≤ ± 10 % and COD > 50 mg/ L, ≤ ± 5 %, 0.1 mg/ L, 20 minutes, ≤ ± 5 %, 12 pcs, Colorimetric tubes and Cuvette, 165 ± 0.5°C, 10 min, 3 pcs, (Cl) < 1000 mg/ L No effect |
| Ammonia nitrogen | 0.02 to 30 mg/ L, ≤ ± 10 %, 0.01 mg/ L, 10 to 15 minutes, ≤ ± 5 %, 20 pcs, Colorimetric tubes and Cuvette, 3 pcs |
| Total phosphorous | 0.002 to 10 mg/ L, ≤ ± 5 %, 0.001 mg/ L, 35 to 50 minutes, ≤ ± 5 %, 12 pcs, Colorimetric tubes and Cuvette, 120 ± 0.5°C, 30 min, 3 pcs |
| Light source | LED/860 nm (Wavelength) |
| Readings display | LCD |
| Unit switches | NTU, FTU, EBC, ASBC |
| Measuring range (NTU) | 0 to 200 |
| Minimum readout value (NTU) | 0.1 |
| Calibration point | Nil |
| Measuring range (NTU) | 0 to 100, 0 to 200 |
| Minimum readout value (NTU) | 0.01, 0.1 |
| Calibration point | 4 |
| pH Mode | 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 |
| ORP Mode | |
| mV Mode | 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 |
| pH Mode | 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 |
| ORP Mode | |
| mV Mode | 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 |
| pH Mode | 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 |
| ORP Mode | |
| mV Mode | 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 | 0.01 to 20.00, 200.0, 2000 µS/cm, 20.00, 200 mS/cm, ±0.5% F.S, 1 to 3 points, 10 µS/cm, 84 µS/cm, 1413 µS/cm, 12.88 mS/cm, 111.8 mS/cm or Custom, 0.001, 0.01, 0.1, 1 |
| Temperature | 0 105 °C, 32 to 221 °F, ± °0.5 C, ± 0.9 °F, 1 point, 0.1 °C, 0.1 °F |
| Temperature compensation | 0 to 100 °C, 32 to 212 ° F, Manual or Automatic |
| Conductivity | 0.01 to 20.00, 200.0, 2000 µS/cm, 20.00, 200 mS/cm, ±0.5% F.S, 1 to 5 points, 10 µS/cm, 84 µS/cm, 1413 µS/cm, 12.88 mS/cm, 111.8 mS/cm or Custom, 0.001, 0.01, 0.1, 1 |
| TDS | 0 10.00, 100.0, 1000 ppm, 10.00, 100 ppt (Max. 200 ppt), ±1 % F.S, 0.01 to 1.00 (Default 0.5), 0.01, 0.1, 1 |
| Temperature | 0 105 °C, 32 to 221 °F, ± °0.5 C, ± 0.9 °F, 1 point, 0.1 °C, 0.1 °F |
| Conductivity | 0.01 to 20.00, 200.0, 2000 µS/cm, 20.00, 200 mS/cm, ±0.5% F.S, 1 to 5 points, 10 µS/cm, 84 µS/cm, 1413 µS/cm, 12.88 mS/cm, 111.8 mS/cm or Custom, 0.001, 0.01, 0.1, 1 |
| Salinity | 0.00 to 80.00 ppt, 0.00 to 42.00 psu, ±1% F.S, Practical Salinity (psu) or Natural Seawater (ppt), 0.01, 0.1, 1 |
| Temperature | 0 105 °C, 32 to 221 °F, ± °0.5 C, ± 0.9 °F, 1 point, 0.1 °C, 0.1 °F |
| Measuring range | Water activity 0 to 0.980 aw (no condensing ) |
| Temperature range | 0 to 50°C |
| Measurement accuracy | ± 0.015 aw |
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