Features

  • 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

Portable Multi-parameter Water Quality Meter LD-LMPWM-A11

Portable Multi-parameter Water Quality MeterLD-LMPWM-A11is 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.

SKU Code: LD-LMPWM-A11

Also Available in below capacities

pH mode :
Memory Stores up to 500 data sets
Output USB communication interface
Weight 300 g
pH mode
TDS factor 0.1 - 1.0 (default 0.5)
Resistivity
pH accuracy ± 0.002 pH
ORP accuracy ±0.2 mV
Power supply 3 × 1.5 V “AA batteries or DC 5 V power adapter
TDS accuracy ± 1 % F.S.
Cell constant K = 0.1, 1, 10 or user-defined
Calibration due 0 to 31 days
Ion measurement
ORP measurement
Dissolved oxygen
TDS measurement
Measurement modes Seawater or practical salinity
Salinity accuracy ± 1 % F.S
Compensation modes Linear or pre water
Resistivity accuracy ± 1 % F.S
Salinity measurement
Stability conditions Low or high
pH calibration points 1 - 5 points
Conductivity accuracy ± 0.5 % F.S.
ORP calibration points 1 point
Resistivity resolution 0.01, 0.1, 1
Dimension (L × W × H) 185 × 88 × 32 mm
Temperature coefficient 0.0 to 10.0 % / °C
Conductivity measurement
Temperature compensation 0 to 100 °C, 32 to 212 °F, Manual or Automatic
pH calibration solutions USA, NIST, DIN or user defined
Normalization temperature 20 °C or 25 °C
ORP calibration solutions mV & relative mV
Conductivity calibration points 1 - 5 points
Conductivity calibration solutions 10 µS / cm, 84 µS / cm, 1413 µS / cm, 12.88mS / cm, 111.8mS / cm
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.

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