Calculating a pH Slope Percentage

Download Your Cheat Sheet!

Your slope and offset have a significant impact on the condition of your electrode. Download Hanna’s cheat sheet to calculate the slope of your electrode to get reliable, consistent, and quality pH readings.


The cheat sheet shows:

  • How to verify that your pH electrode is funtioning properly.
  • How to calculate the slope percentage of your pH electrode.
  • A graph indicating the slope of an ideal pH electrode.

Get pH testing right the first time. Check the slope and offset of your pH electrode.


About the Author

Dave Masulli, Applications Engineer

Dave Masulli is an Applications Engineer at Hanna Instruments, USA. He graduated from Rhode Island College with a degree in biology and chemistry. Masulli provides technical training and support for wide variety of clients in the food and beverage industry. He may be reached at [email protected].