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Benchtop Multi-parameter Water Quality Meter LMPWM-A30

Benchtop multi-parameter water quality meter LMPWM-A30 is comes with different measurement modes for quality and testing of water on different parameters. It measures pH, Conductivity, TDS 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
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 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 Mode
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 Mode
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)
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

  • Common Features 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 recalls 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

  • Conductivity/TDS 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

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

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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