PHM-300 Digital Pen type pH Meter Water Quality Liquid Acidity Tester 0.01pH Accuracy for Laboratory, Household Water, Spa, Pool Aquarium

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User friendly pH meter with wide range of application. You can use in checking pH level of your aquarium, drinking water, juice, laboratory samples, hydroponics and others. Just press the button and you will get the pH level of your tested liquid with high level of accuracy.


  • Simple and easy operation
  • Lightweight pen type meter, easy to carry in the pocket
  • Automatic 3-Points Calibration
  • High accuracy
  • With sensor protective cap


  • Measurement range: 0.00~14.00pH
  • Resolution: 0.01pH
  • Accuracy: ±0.01pH
  • Operating temperature: 0~60°C
  • Calibration: 3 points automatic calibration (only 6.86 point calibration the accuracy is 0.1pH)
  • Power supply: 2 x 1.5V (LR44 button cell battery)
  • Dimension: 155 x 31 x 18mm
  • Weight : 50gms (1.7oz)

Set Includes:

  • 1 x pH Meter unit
  • 3 x pH Buffer powder
  • English Instruction Manual
  • Protective Plastic Case
  • Standard Factory Packaging

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