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How To Clean And Handle pH Sensors

Source: Endress+Hauser, Inc.

By Frederick J. Kohlmann, Endress+Hauser

How To Clean And Handle pH Sensors

For a pH sensor to maintain an accurate reading, the sensor must remain clean. Specifically, the glass measuring electrode cannot become coated, and the reference electrode assembly must not become coated, plugged or otherwise contaminated by the process solution. Here’s how to clean pH sensors to ensure correct operation.