Portable Multi-parameter Water Quality Meter LMPWM-A11

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

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