PHM-239 PH Meter 360° Flexible Display Angle, 0.00~14.00pH Portable Pocket Size Water Quality Tester Twist & Turnable Monitor Kit Set for Household Drinking Water, Hydroponics Aquariums Pools

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  • $12.45

  • Regular Price $24.90

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pH pocket tester is designed with 360° twistable display and probe holder, excellent for laboratory, agricultural, industrial, and also field water analysis procedure. You can adjust the angle of the display monitor. It has 0.01 pH resolution and one-point manual calibration through easy-to-reach trimmers, it provides quick measurement result to users. 

Only 2-button operation allowing an immediate and precise response. Has a rugged design strong enough to be used again and again. The probe is durable enough to be used as a stirrer.


  • Twistable pocket-size pH tester that allows flexible measurement angles 
  • With an Electrode holder can be on the containers of the testing samples
  • Quick measurement with High Accuracy
  • Clear & angle-adjustable LCD display
  • HOLD button to freeze/lock readings
  • Easy 2-button operation
  • 1-point manual calibration
  • With protective cap
  • Comes with pH4.01, pH6.86 & pH9.18 calibration powder
  • Suitable for laboratory, agricultural, industrial, and also field water analysis procedure


  • Range: 0.00~14.00pH
  • Resolution: 0.01pH
  • Accuracy: ±0.1pH(@20°C) ±0.2pH
  • Operating Temperature: 0~50°C
  • Calibration: Manual at one point (via trimmer)
  • Power Supply: 3 x 1.5V AG13 button battery
  • Size: 97 x 29 x 36mm
  • Weight: 50g (without battery)

Set Includes:

  • 1 x 360° twistable pH Meter
  • 1 x 4.01 pH Buffer Powder
  • 1 x 6.86 pH Buffer Powder
  • 1 x 9.18 pH Buffer Powder
  • 1 x Mini Screw Driver
  • 1 x Clip Holder
  • English User Manual
  • Sturdy Carrying Case

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