The computerized non-invasive measurement system is a superb equipment for investigation of online and off-line digital signal processing techniques. Typically system consists of PC, an I/O card, a variable speed process, mecanical parts sensors and instrumentation, a power supply unit and test and processing software. Digital signal processing techniques such as correlation methods, filtering and estimation are easily demostrated using the system. Provided user friendly software minimizes the need for external test equipments. Introductory manuals provide information about the system and how to use the system for training purposes.