Benchtop Multi-parameter Water Quality Meter LMPWM-A31

Name: Benchtop Multi-parameter Water Quality Meter LMPWM-A31
Brand: Labtron.cc
SKU: LMPWM-A31
Rating: 4.7 (866 reviews)

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.

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

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

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

Benchtop Multi-parameter Water Quality Meter LMPWM-A31

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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

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pH Mode

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pH Accuracy	± 0.002 pH
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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

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pH Mode

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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

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pH Mode

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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

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Ion Mode

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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

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pH Mode

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ORP Mode

mV Mode

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pH Mode

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pH Accuracy	± 0.002 pH
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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

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pH Mode

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ORP Mode

mV Mode

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ORP Mode

mV Mode

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pH Mode

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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

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mV Accuracy	± 0.2 mV
mV Resolution	0.1/1 mV, selectable
mV Calibration Points	1 Point

Ion Mode

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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

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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

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mV Accuracy	± 0.2 mV
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Ion Mode

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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

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mV Mode

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mV Accuracy	± 0.2 mV
mV Resolution	0.1/1 mV, selectable
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Ion Mode

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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

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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

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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

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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

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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

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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

Dissolved Oxygen Tester

Pocket Dissolved oxygen tester LPKDO-A10

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

ORP Tester

Pocket ORP tester LPOT-A11

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

Pocket ORP tester LPOT-A10

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

pH Tester

Pocket pH tester LPPT-A21

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

Pocket pH tester LPPT-A22

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

Pocket pH tester LPPT-A11

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

Pocket pH tester LPPT-A10

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

Salinity Tester

Pocket Salinity tester LPST-A10

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

Pocket Salinity tester LPST-A11

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