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    860 Gitts Run Road
    Hanover, PA 17331

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All Categories > Meters > pH Meters > Oakton pH Meters > Oakton pHTestr Pen Meters  

Oakton pHTestr Pen Meters

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Oakton pHTestr 30


Our most popular pH pen has upgraded to a larger LCD display with both pH and temperature values. Accuracy is also increased to ±0.01 pH. The double junction electrodes results in longer life in "dirty" water samples. The meter also features 3 point calibration, automatic temperature compensation (ATC) and is waterproof.

Oakton pHTestr 50


Upgraded pocket testers feature a new menu for easier operation and simple one button calibration. New cap design acts a stabilizing base to keep your tester standing upright. The cap is watertight allowing you to use the sample cup to calibrate, measure and store your meter.

  • Replaceable, double-junction electrode
  • Dustproof and waterproof with IP67 rating
  • Cap acts as stabilizing base for testing
  • Uses AAA batteries