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Benchtop Multi-parameter Water Quality Meter LMPWM-A31 Catalog

Benchtop Multi-parameter Water Quality Meter LMPWM-A31

Benchtop Multi-parameter Water Quality Meter LMPWM-A31

Website: www.labtron.cc

Email: info@labtron.cc

Overview

Benchtop multi-parameter water quality meter LMPWM-A31 is comes with different measurement modes for quality and testing of water on different parameters. It measures pH, Conductivity, TDS, Salinity, Resistivity 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.

Features

  • - 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/ 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
Specifications
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
Ion Mode
Water Hardness Mode
Temperature Mode
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)
Salinity Mode
Salinity Range 0 to 10 ppt (maximum 80 ppt)
Salinity Accuracy ± 1 % F.S.
Measurement modes Seawater or practical salinity
Resistivity Mode
Resistivity Range 0 to 100 MΩ
Resistivity Accuracy ± 1 % F.S.
Resistivity Resolution 0.01, 0.1, 1
Dissolved Oxygen Mode
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
Standard Accessories :

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

Optional Accessories :

Accessories No. Name
1 Temperature probe
2 Calibration Solutions for pH and Conductivity
3 pH electrodes suitable for non-aqueous, high alkalinity, low conductivity, tis buffers, biofuels and others
4 Conductivity electrode suitable for Pure water, general applications, high conductivity liquids
5 DC5V power adapter

Applications :

Used for quality checking of water on different parameters across research, QC labs, water management plants and others production units.

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