This thesis project was carried out in SPEA and aims to create a program to calibrate and characterize a new product under development, the SPEA SMT200 sound meter, inside its working space, the SPEA T100S Optomechatronic Flying Actuator Tester, by means of all the techniques and machinery required and available in SPEA. The SPEA SMT200 will be used to test small audio devices, such as buzzers, in a production environment, so it will not be used for precise measurements, but instead to verify the correct operation of a sound emitting component in a predefined and specific range. The current sound meter state-of-the-art consists of an already built prototype, and my task involved studying the work that was already done by the SPEA Research and Development team and then creating a program to correct the eventual errors that could arise during the acquisition phase of the instrument, study its behavior, and describe its characteristics.