Portable Dissolved Oxygen Meter LX201PDO is a microprocessor-based instrument with ATC for accurate dissolved oxygen measurement under varying temperatures. It uses a polarographic electrode with built-in temperature sensor and replaceable membrane cap, and supports air-saturated and zero oxygen calibration. It also includes a factory reset function for easy operation and maintenance.

Catalog
Specifications
DO Concentration range 0.00 to 99.99 ppm
DO Concentration resolution 0.01 ppm
DO Concentration accuracy ± 0.10 ppm, 0.00 - 50.00 ppm
± 0.50 ppm, 50.0 - 99.99 ppm
Sensor type Polarographic
Calibration reminder Yes
Calibration points Air-saturated water or zero point
Barometric compensation Yes
Manual salinity factor correction Yes
DO Saturation range (0.0 to 600)%
DO Saturation resolution 0.10%
DO Saturation accuracy ± 2.0%
Temperature range - 10 to 135°C, 14 to 275°F
Temperature unit °C, °F
Temperature resolution 0.1
Temperature relative accuracy ± 0.1
Reading mode Auto read (fast, medium, slow), timed, continuous
Reading prompts Reading, stable, locked
Temperature compensation ATC, MTC
Data storage 1000 Groups
GLP features Yes
DO with temp. probe 4-Pin aviation connector
Output USB 2.0 flash memory devices, PC, scanner
IP rating IP65
Backlight Yes
Display 4.3 Inches color LCD touchscreen
Auto shutdown 300 - 3600 Sec, off
Power supply AC 100 - 240 V input, DC 5 V output
External dimension 90 x 255 x 40 mm
Net weight 0.5 Kg
Packing dimension 330 x 410 x 170 mm
Gross weight 8 Kg
Features
  • 4.3-Inches high-contrast LCD touchscreen

  • Smart OS with user, calibration, electrode, method, data & log management

  • Auto, timed & continuous reading modes

  • Automatic/manual temperature compensation

  • Auto-hold endpoint function

  • Stores 1000 GLP-compliant data sets with analysis tools

  • USB Data transfer support

  • Auto power-off & factory reset option

  • IP65 Waterproof for field use

  • Supports air-saturated & zero oxygen calibration

  • Auto barometric pressure & manual salinity correction

  • Multiple pressure unit options (kPa, mbar, Torr, atm)

Applications
  • Used to quickly measure the amount of oxygen dissolved in water in field or lab conditions, helping assess water quality and aquatic health. It is commonly applied in environmental monitoring, aquaculture, wastewater treatment, and freshwater ecosystem studies to ensure optimal oxygen levels and compliance with environmental standards.

Portable Dissolved Oxygen Meter

Labdex offers the Portable dissolved oxygen (DO) Meter for on-site dissolved oxygen testing. Compact, fast, and reliable, it is ideal for environmental monitoring, wastewater treatment, aquaculture, and field research applications.

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Benchtop Dissolved Oxygen Meter

Labdex presents the Benchtop dissolved oxygen (DO) Meter for accurate and reliable dissolved oxygen measurements. With fast response, automatic calibration, and data logging, it is perfect for environmental studies, wastewater management, and aquaculture monitoring.

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