Flat-surface electrode works in liquids and semisolids

This multi-application Extech ExStik pH Pen helps you easily monitor pH levels in liquids and semisolids. Features a moist store sensor and push-button calibration. Comes complete with meter and pH electrode, protective sensor cap, sample cup, four LR44 button batteries and neck strap.

  • Easy to Clean: The flat-surface, replaceable electrode is waterproof and easy to clean
  • Large Display: The 3-1/2-digit digital display with bar graph fluctuates to show changes in readings
  • Stores Readings: Fifteen readings can be stored and recalled
  • Accurate: ±0.01 pH accuracy with a pH range of 0.00 to 14.00, and temperature range of 32° to 149°F

Requires special handling due to DOT regulations. Additional shipping charges will apply. Cannot be shipped by air.

This product is not eligible for promotional offers.


  • Manufacturer #: PH100
  • Range: 0.00 to 14.00
  • Model: pH
  • Accuracy: 0.01 pH
  • Resolution: 0.01 pH