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3. Functions All of the following functional units of the instrument panel are located in a transparent multi-functional control block: • potentiostatic chlorine measurement cells with electrode cleaning without zero point calibration • pH- and Redox- single-rod measuring cells (depending on the design) • hydrostatic through flow with vapour lock- separator for an even through current for the measurement cell • Test water filter to protect the measurement cell from abrasive dirt • Fine tuned valve to adjust the water current • Flow through monitoring – contact “test water deficiency” for the controller • Potentials-adjustment pin to discharge unwanted and disruptive foreign potentials. • Sample withdrawal for manual water testing when calibrating Functions | Operating manual PM04 | 11
