Portable Multiparameter Water Quality Meter LX105PQM

Description

Portable Multiparameter Water Quality Meter LX105PQM is a handheld device designed for quick and accurate testing of key water parameters such as pH, mV, ISE, dissolved oxygen (DO), conductivity, TDS, salinity, resistivity, temperature, and ion levels. It is widely used for field testing, laboratory analysis, environmental monitoring, drinking water testing, and aquaculture or industrial water quality assessment.

Specifications

pH range
- 2.00 to 20.00 pH
pH resolution
0.1, 0.01 pH
pH accuracy
± 0.01 pH
pH calibration points
Up to 5
pH standard recognition
Yes
pH slope limit
NIST, GB and DIN buffers
Customization
Yes
mV range
- 2000.0 to 2000.0 mV
mV resolution
0.1
mV accuracy
± 0.3 mV or ± 0.1%
pX range
- 2.00 to 20.00
pX resolution
0.1, 0.01 pX
pX accuracy
± 0.01 pX
pX calibration points
Up to 5
ISE range
1 x 10⁻⁹ to 9.999 x 10⁹
ISE units
mol/L, mmol/L, g/L, mg/L, μg/L
ISE resolution
Up to 4 significant digits
ISE accuracy
± 0.5%
ISE calibration points
Up to 5
Conductivity range
0.000 μS/cm to 500 mS/cm
Conductivity resolution
0.001 μS/cm minimum, various with range selection
Conductivity accuracy
± 1.0% FS
Conductivity reference temperature
20, 25°C
Conductivity calibration points
Up to 3
Conductivity standard recognition
84 μS/cm, 1413 μS/cm, 12.88 mS/cm
Resistivity range
5.00 Ω·cm - 20.00 MΩ·cm
Resistivity resolution
0.01 Ω cm Minimum
Resistivity accuracy
± 1.0% FS
TDS range
0.00 ppm - 300 ppt
TDS resolution
0.01 ppm Minimum, various with range selection
TDS accuracy
± 1.0% FS
Salinity range
0.0 - 80.0 ppt
Salinity resolution
0.1 ppt
Salinity accuracy
± 2 ppt
DO concentration range
0.00 to 50.00 ppm
DO concentration resolution
0.01 ppm
DO concentration accuracy
± 0.1 ppm
DO concentration calibration points
Air saturated water or zero point
DO concentration barometric compensation
Yes
DO manual salinity factor correction
Yes
Saturation range
0.0 to 300.0%
Saturation resolution
0.10%
Saturation accuracy
± 10.0%
Temperature range
- 5 to 110°C, 23 to 230 ºF
Temperature unit
°C, ºF
Temperature resolution
0.1
Relative accuracy
± 0.2
Measurement reading mode
Auto Read (Fast, Medium, Slow), Timed, Continuous
Reading prompts
Reading, Stable, Locked
Temperature compensation
ATC, MTC
Data storage
500 Results each
GLP features
Yes
pH electrode
BNC connector
DO with temp probe
4 Pin aviation connector
USB
PC, printer
Backlight
Yes
Auto shutdown
300, 600, 1200, 1800, 3600 Seconds, Off
Power supply
Rechargeable Lithium battery, AC Adapter, 100-240 V AC input, DC 5 V output
External dimension
80 x 255 x 35 mm
Net weight
400 g
Packing dimension
350 x 280 x 170 mm
Gross weight
3 Kg
Features
  • 3.5 Inch LCD backlight display which shows, date and time
  • Measures pH, mV, pX, Ion (ISE), Conductivity, Dissolved Oxygen (DO), Resistivity, Salinity and Temperature
  • Multi-reading modes including Auto, Timed, and Continuous measurements
  • Automatic/Manual temperature compensation with auto-hold function
  • Up to 500 data sets per parameter with GLP-compliant data storage and USB connectivity
  • Multi-point calibration with automatic electrode recognition
  • Multiple ion measurement modes with support for various concentration units and built-in ion methods
  • IP65 Rated waterproof design with auto power-off for extended battery life
Applications
  • Ideal for aquaculture, hydroponics, marine environments, and aquariums, as well as field and laboratory water testing. It accurately monitors physical, chemical, and biological water parameters for research, environmental monitoring, and water safety compliance.
Standard Accessories
  • Electrode holder x 2 Pcs
  • Wristband assembly x 1 Pc
  • pH Electrode x 1 Pc
  • Conductivity electrode x 1 Pc
  • DO Electrode x 1 Pc
  • Standard pH buffer solutions (pH 4.01, 7.00, 10.01) x 1 Bottle each (50 ml)
  • Conductivity standard solution 1413 μS/cm x 1 Bottle (50 ml)