Checker® pH Tester
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.