Process measurement is an important part of complex automization systems used for modern process engineering. This lecture can be seen as complement to the VU basic process control which is offered in the 4th semester. In this VU an introduction to basic measurement will be given to allow the selection of the appropriate measurement principles, signal conditioning and transfer within a chemical engineering process. High quality of the measured signals is a requirement for successfully process control. With the aid of characteristic examples, the application of various measurement principles to the measurement of chemical quantities will be illustrated.
Knowledge about basic requirements for the measuring components (e.g. electromagnetic compatibility, robustness), definitions, measuring equipments (probes, amplifiers, etc.), analysis of measuring signals, signal digitization and measuring techniques using personal computers. Use of optical and electrochemical measurement systems for the determination of chemical quantities (concentration measurements, particularly pH, and oxygen concentration in gaseous and liquid media).