This thesis describes measurement of the pH value of swimming pool water and opreation of referential, indicative and combined electrodes, their properties and use of combined pH electrode in swimming pools.
In chapter 2 the history of pH, operation of simple pH meter and glass electrode with their calibration.
In next chapter the description of swimming pool system. Each swimming pool system is presented by task and purpose.
In the following chapter I present the software and hardware equipment that is used in control system Terme Čatež.
In chapter 5 delineated measurements performed after the calibration of glass combined pH electrode, measurements of pH value of swimming pools performed with pH meter M 1122C are displayed.