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Portable Multi-parameter Water Quality Meter LMPWM-A20 Catalog

Portable Multi-parameter Water Quality Meter LMPWM-A20

Portable Multi-parameter Water Quality Meter LMPWM-A20

Overview

Portable Multi-parameter Water Quality Meter LMPWM-A20 is adapted with different modes for measuring quality of water on different parameters. This meter can measure pH, ORP, conductivity, TDS content from test sample. It can store & recalls up to 500 sets of data. It is reliable and user friendly, suitable for outdoor measurements.

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 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
    ORP mode 1 point offset calibration to adjust the display value to known standard
    Relative & absolute mV measurements for accurate ORP readings
    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
Specifications
pH modepH 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 measurementORP measurement range: -1999.9 to 1999.9 mV
ORP accuracy: ±0.2 mV
ORP calibration points: 1 point
ORP calibration solutions: mV & relative mV
Conductivity measurementConductivity 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 measurementTDS range: 0-100 ppt. (max. 200 ppt., depending on factor setting)
TDS accuracy: ± 1 % F.S.
TDS factor: 0.1 - 1.0 (default 0.5)
Temperature compensation0 to 100 °C, 32 to 212 °F, Manual or Automatic
Stability conditionsLow or high
Calibration due0 to 31 days
MemoryStores up to 500 data sets
OutputUSB communication interface
ConnectorBNC, 6- pin MINI connector
DisplayLCD
Dimension (L × W × H)170×85×30 mm
Weight300 g
Power supply3 × 1.5 V “AA batteries or DC 5 V power adapter
Standard Accessories :

pH electrode
Conductivity electrodes
Temperature probe
pH and conductivity calibration solution
AA Batteries
Plastic Carrying case

Optional Accessories :

Temperature probe
Conductivity standard solutions
ORP electrode

Applications :

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

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