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Portable Multi-parameter Water Quality Meter LMPWM-A11

Portable Multi-parameter Water Quality Meter LMPWM-A11 is adapted with different modes for measuring quality of water on different parameters such as pH, ORP, conductivity, TDS, salinity. Its memory can store & recalls up to 500 sets of data. Due to its portable design, it is suitable for outdoor measurements i.e. on site water testing, remote area water testing & for research purpose. It is reliable and user friendly.

pH mode
pH measurement range (-2.000) to 20.000 pH
pH accuracy ± 0.002 pH
pH calibration points 1 - 5 points
pH calibration solutions USA, NIST, DIN or user defined
ORP measurement
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
Ion measurement range
Ion accuracy
Ion calibration points
Ion calibration solutions
Conductivity measurement
Conductivity measurement range 0 - 20.00, 200.0, 2000 µS / cm, 20.00, 200.2 mS / cm
Conductivity accuracy ± 0.5 % F.S.
Conductivity calibration points 1 - 5 points
Conductivity calibration solutions 10 µS / cm, 84 µS / cm, 1413 µS / cm, 12.88mS / cm, 111.8mS / 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 measurement
TDS range 0 to 100 ppt. (max. 200 ppt., depending on factor setting)
TDS accuracy ± 1 % F.S.
TDS factor 0.1 - 1.0 (default 0.5)
Salinity measurement
Salinity range 0 to 100 ppt. (max. 80 ppt.)
Salinity accuracy ± 1 % F.S
Measurement modes Seawater or practical salinity
Resistivity
Resistivity range 0 to 100 Ω
Resistivity accuracy ± 1 % F.S
Resistivity resolution 0.01, 0.1, 1
Dissolved oxygen
DO concentration range
DO accuracy
Calibration points
Pressure correction
Salinity correction
% Saturation of Oxygen
Accuracy
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
Dimension (L × W × H) 185 × 88 × 32 mm
Weight 300 g
Power supply 3 × 1.5 V “AA batteries or DC 5 V power adapter

  • Common Features Calibration due reminder informs operator to calibrate the meter regularly

  • Stability indicator displays the status of current measurement

  • Auto hold function freezes stable, final readings for better viewing and recording

  • Manual temperature calibration to rectify the deviations in temperature

  • Automatic temperature compensation for accurate measured value over the entire range

  • Selectable temperature units (°C or °F) for different application requirements

  • Expanded memory stores and records up to 500 readings

  • Help message as an operational guide, helps users for quick access to the parameters

  • Reset function automatically resumes all the setting back to factory default options

  • Store data is transferrable into computer via USB communication interface

  • pH mode 1-5 points push button calibration to automatically identify pH buffer

  • Convenient to select pH buffer standard (USA/NIST/DIN) or custom

  • Automatic electrode slope display helps operator whether to replace the sensor

  • ORP mode 1 point offset calibration to adjust the display value to known standard

  • Relative & absolute mV measurements for accurate ORP readings

  • Conductivity / TDS / Salinity / Resistivity Mode 1-5 point for calibration with automatically identification of calibration solutions

  • Can select cell constant (0.1/1/10) and normalization temperature (20°C or 25°C)

  • TDS conversion factor, seawater, practical salinity measurements mode to meet different water quality measurement requirements

  • Linear or pure water compensation improves the measurement accuracy


The portable multi-parameter water quality meter is used for quality testing of water on different parameters in research and development labs, water resources and plants in nearby or remote area.

pH, conductivity & dissolved oxygen electrodes
PH and conductivity electrodes
pH and dissolved oxygen electrodes
conductivity and dissolved oxygen electrodes

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 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 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 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.

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 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 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 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 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 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.

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