Portable Multi-parameter Water Quality Meter LMPWM-A11

Name: Portable Multi-parameter Water Quality Meter LMPWM-A11
Brand: Labtron
SKU: LMPWM-A11
Rating: 4.9 (879 reviews)

Portable Multi-parameter Water Quality Meter LMPWM-A11 features multiple measurement modes for comprehensive water quality analysis. It measures pH from -2.000 to 20.000 with ±0.002 accuracy and supports ORP readings from -1999.9 to 1999.9 mV with ±0.2 mV accuracy. Conductivity measurement extends up to 200.2 mS/cm, ensuring precise assessment. The meter includes calibration solutions, temperature units, and an auto-hold function. Ideal for laboratory, industrial, and environmental water quality monitoring.

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pH mode

pH measurement range	(-2.000) to 20.000 pH
pH accuracy	± 0.002 pH
pH calibration points	1 to 5 points
pH calibration solutions	USA, NIST, DIN or user defined

ORP measurement

ORP 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 measurement

Conductivity measurement range	0 to 20.00, 200.0, 2000 µS / cm, 20.00, 200.2 mS / cm
Conductivity accuracy	± 0.5 % F.S.
Conductivity calibration points	1 to 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 measurement

TDS range	0 to 100 ppt. (max. 200 ppt., depending on factor setting)
TDS accuracy	± 1 % F.S.
TDS factor	0.1 - 1.0 (default 0.5)

Salinity measurement

Salinity range	0 to 100 ppt. (max. 80 ppt.)
Salinity accuracy	± 1 % F.S
Measurement modes	Seawater or practical salinity

Resistivity

Resistivity range	0 to 100 Ω
Resistivity accuracy	± 1 % F.S
Resistivity resolution	0.01, 0.1, 1

Temperature compensation

0 to 100 °C, 32 to 212 °F, Manual or Automatic

Stability conditions

Low or high

Calibration due

0 to 31 days

Memory

Stores up to 500 data sets

Output

USB communication interface

Power supply

3 × 1.5 V “AA batteries or DC 5 V power adapter

Dimension (L × W × H)

185 × 88 × 32 mm

Weight

300 g

Calibration due reminder alert
Stability indicator for real-time status
Manual temperature calibration adjustment
Selectable temperature units (°C/°F)
Expanded memory for 500 readings
USB interface for data transfer
Factory reset to default settings
Multi-mode salinity measurement options

Our Portable Multi-parameter Water Quality Meter LMPWM-A11 is ideal for environmental monitoring, water treatment, research labs, wastewater management, aquaculture, hydroponics, and drinking water analysis.

Temperature Probe
Calibration Solutions
Batteries
Carrying Case

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Portable Multi-parameter Water Quality Meter LMPWM-A11 Catalog

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Portable Multi-parameter Water Quality Meter LMPWM-A11 Manual

Available Range :

Portable Multi-parameter Water Quality Meter LMPWM-A11 :

pH measurement range	(-2.000) to 20.000 pH
pH accuracy	± 0.002 pH
pH calibration points	1 to 5 points
pH calibration solutions	USA, NIST, DIN or user defined

Portable Multi-parameter Water Quality Meter LMPWM-A20 :

pH 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

Models of Portable Multi Parameter Water Quality Meter

Labtron Portable Multi Parameter Water Quality Meter offer precise water quality analysis with multi-parameter measurement capabilities. These meters measure pH, ORP, conductivity, TDS, dissolved oxygen, and absorbance with high accuracy. Their user-friendly interface ensures quick calibration and easy operation. They feature multiple calibration points for reliable results. These devices include automatic temperature compensation for accurate readings. Our multi-parameter water quality meters provide dependable performance for diverse water analysis applications.

Portable Multi-parameter Water Quality Meter LMPWM-A21

pH mode : pH measurement range(-2.000) to 20.000 pHpH accuracy± 0.002 pHpH calibration points1 - 5 pointspH calibration solutionsUSA, NIST, DIN or user defined
ORP measurement : ORP measurement range-1999.9 to 1999.9 mVORP accuracy±0.2 mVORP calibration points1 pointORP calibration solutionsmV & relative mV
Dissolved oxygen : DO concentration range0.00 to 20.00 mg/LDO accuracy± 0.2 mg/LCalibration points1 - 2 pointsPressure correction60.0 to 112.5 kPa, 450 - 850 mmHgSalinity correction0 to 50 g/L% Saturation of Oxygen0.0 to 200.0 %Accuracy± 2.0 %
Temperature compensation : 0 to 100 °C, 32 to 212 °F, Manual or Automatic

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Portable Multi Parameter Water Quality Meter LMPWM-D10

pH Electrode Type : Triple compound pH electrode
pH Measurement Principle : Glass electrode method
pH Measuring Range : 0 to 14
pH Accuracy : ≤ ±0.05 pH

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Portable Multi-parameter Water Quality Meter LMPWM-A20

pH mode : pH measurement range(-2.000) to 20.000 pHpH accuracy± 0.002 pHpH calibration points1 - 5 pointspH calibration solutionsUSA, NIST, DIN or user defined
ORP measurement : ORP measurement range-1999.9 to 1999.9 mVORP accuracy±0.2 mVORP calibration points1 pointORP calibration solutionsmV & relative mV
Conductivity measurement : Conductivity measurement range0 - 20.00, 200.0, 2000 µS / cm, 20.00, 200.2 mS / cmConductivity accuracy± 0.5 % F.S.Conductivity calibration points1 - 5 pointsConductivity calibration solutions10 µS / cm, 84 µS / cm, 1413 µS / cm, 12.88mS / cm, 111.8mS / cmTemperature coefficient0.0 to 10.0 % / °CCompensation modesLinear or pre waterCell constantK = 0.1, 1, 10 or user-definedNormalization temperature20 °C or 25 °C
TDS measurement : TDS range0-100 ppt. (max. 200 ppt., depending on factor setting)TDS accuracy± 1 % F.S.TDS factor0.1 - 1.0 (default 0.5)

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Portable Multi-parameter Water Quality Meter LMPWM-B10

Absorbance Detection Range : 0 to 3Abs
Absorbance Resolution : 0.001Abs
Optical Path Stability : ≤ ±0.005Abs/30min
Operation Repeatability : ≤ ±0.01Abs

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Portable Multi-parameter Water Quality Meter LMPWM-E12

Conductivity Measuring Range : 0.00 to 19.99 μS/cm20.0 to 199.9 μS/cm200 to 1999 S/cm2.00 to 19.99 mS/cm20.0 to 199.9 mS/cmTDS: 0 to 100 g/LSalinity: 0 to 100 pptResistivity: 0 to 100 MΩ∙cm
Conductivity Resolution : 0.01/0.1/1μS/cm; 0.01/0.1 mS/cm
Conductivity Accuracy : ± 1.0% F S, Overall: ± 1.5% F S
Conductivity Temperature Compensation : 0 to 100℃ (Auto/manual)