A basic requirement for the sustainable success of an organization is that it satisfies the needs of its customers. A systematic inspection plan, the professional handling of measuring and testing equipment and the ability to correctly determine measurement and inspection results are a central part of this. Using video material, text and graphics, this e-learning course explains the main factors leading to errors that occur during measurement and inspection. This lets you understand the factors influencing displayed measured values and how to handle them. You will be able to clearly differentiate between the terms calibrate, adjust and standardize. You will become familiar with the principles of when measuring equipment can be used as testing equipment and learn about everything related to inspection planning.