Thermo Scientific™

Expert pH Pocket Tester

The Thermo Scientific™ Expert pH Pocket Tester is designed for on-the-go measurements of pH and temperature. The Expert pH Pocket Tester is best used in applications such as hydroponic gardening, aquaculture, agriculture, pools, cooling towers, and more!


  • Large 4 digit double line display
  • Simultaneous display of pH and temperature
  • Battery life, ready, and calibration indicators
  • Automatic temperature compensation
  • Auto buffer recognition and calibration
  • Multi language operational instructions

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  • Large 4 digit double line display and wide viewing angle make it easy to read and record measurements
  • Battery life, ready, and calibration indicators
  • Simultaneous display of pH with temperature
  • Easy to operate and intuitive user interface with power, calibration, menu, and enter keys
  • One push calibration: immerse sensor in calibration solution and press “Cal”
  • Auto pH buffer recognition and calibration
  • Gasketed and leak proof with an O-ring seal
  • Transparent cap with a fill line indicator
  • Symmetrical cap can be front or rear facing
  • Cap secures to the top of tester when not in use

Additional features:
  • Lanyard provision enables the user to easily transport the pocket tester for on-the-go measurements
  • Pocket tester floats and meets Waterproof IP67 rating
  • Wide, stable base allows the tester to independently stand vertically for measurements
  • Automatic temperature compensation: adjusts readings according to temperature change for greater accuracy
  • Auto-off function: pocket tester turns off after 8.5 minutes of non-use to extend battery life
  • CD/RoHS Marking
  • Multi language instructions available
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Manuals & protocols