There are generally two ways to install online pH meters: flow-through type and submersible type. Here is a detailed introduction to submersible installation.

Depending on the quality of the sewage, the electrodes should be cleaned every 15 days to about a month. First, spray the attachments with gentle water flow, then soak the electrodes in the cleaning solution for a period of time, and then rinse them with clean water. The sensor holder should also be cleaned. After each wash, calibrate with buffer solution.