Checker® pH Tester

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The Hanna Checker® makes advanced automation and simple one-button operation. No manual adjustment for calibration. Big screen for easy viewing with a stability indicator to alert you when a stable reading has been obtained. Works for over 1,000 hours on one battery.

  • Extend the life of your Hanna pH Checker with a replaceable electrode.
  • Automatic calibration for accurate pH readings every time.
  • Great for environmental, field, and laboratory testing.