PHM-003 2-in-1 pH TDS Water Quality Tester Replaceable pH Electrode Aquarium Pool Hydroponic Tool

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This 2-in 1 Combo pH & TDS mini tester helps you monitor and measure the pH level and the Total Dissolved Solids (TDS) of a solution. It is more convenient to use with its big LCD display and the pH and TDS electrode are separated, making the measurement more accurate.

Since pH value varies with temperature, this pH monitor is equipped with Automatic Temperature Compensation (ATC), so temperature change can't hardly effect on pH level. pH value will be automatically adjusted in temperature between 0 ~ 50 °C.

Both pH and TDS are important parameter to keep track the pollution level in water. Thus this meter is a very useful tool for environmental monitoring, laboratories, hydroponics, aquariums, swimming pools, spas and food processing etc



  • Replaceable BNC pH sensor probe with protective cap
  • Separate pH and TDS electrode
  • Mini tester with large and clear LCD display
  • With backlight function
  • Powered by 4 x LR44 batteries or 6V power adapter [choose one from the available 110V (US System) or 220V (EUR System)]
    Note: Power adaptor is recommended when performing continuous or round-the-clock monitoring.
  • Built with Automatic Temperature Compensation (ATC)
  • 2 points manual calibration [pH4.01 and pH6.86 (included in the set) or pH9.18 (not included in the set)]
  • With CE RoHS Marking, passed & comply with all the necessary health and safety required standards set by the European Directives making this meter an environment-friendly tool for your water quality testing.



  • Range
    • pH: 0.00~14.00pH
    • TDS: 0.00~19.99ppt
  • Resolution
    • pH: 0.01pH
    • TDS: 0.01ppt
  • Accuracy
    • pH: ±0.1pH
    • TDS: ±2%FS
  • Power Supply: DC 6V (Usable Power adapter) or 4 x LR44 battery (included in the set)
  • Temperature Compensation: 0~50°C
  • Operating Temperature: 0~50°C
  • Calibration: 2 point manual calibration by mini screwdriver
  • Dimension: 75 x 55 x 28mm
  • Weight: 60g


Set includes

  • 1 x Digital pH / TDS Meter
  • 1 x BNC pH Probe with Protective Cap
  • 1 x DC 6V Adapter (choose one from the available 110V (US System) or 220V (EUR System)
  • 4 x LR44 Battery (installed)
  • 2 x Calibration Powder (pH 4.01 and pH6.86)
  • 1 x Mini screwdriver / trimmer
  • 1 x Clip
  • English Instruction Manual
  • Standard Factory Package 

NOTE: Power plugs are available for US and Euro System Only

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