The table below provides detailed guidelines for doing thorough troubleshooting of the pH transmitter. What can interfere with the accuracy of pH measurements? Drifting/Erratic Readings Possible cause Solutions Contaminant on the sensing glass Regularly clean your electrodes. There are a variety of application-specific cleansing solutions.  Clogged junction Utilize cleaning solutions that are application appropriate … Continue reading How to troubleshoot pH transmitter issues?