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.
| 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 |
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
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.
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)
Labdex offers the Benchtop Conductivity Meter for precise measurement of electrical conductivity in water and solutions. Featuring high accuracy, automatic temperature compensation, and a clear digital display, it is ideal for laboratory water testing, environmental monitoring, industrial water treatment, and aquaculture applications.
Labdex provides the Benchtop pH ION Meter for precise measurement of pH and ion concentrations. With automatic calibration, temperature compensation, and durable electrodes, it is widely used in laboratory research, aquaculture, and water treatment facilities.
Labdex presents the Benchtop pH ORP Meter for dual measurement of pH and oxidation-reduction potential (ORP). It provides precise results, automatic calibration, and is ideal for water treatment plants, environmental laboratories, and industrial water monitoring.
