Currently, non-destructive testing (NDT) is a fast-growing industry that is used in almost all areas of the national economy, such as the military industry, aerospace, mechanical engineering, oil / gas, mining, infrastructure, transport and many others. This creates a significant value of the equipment used, prevents major accidents and failures, and also helps to predict the service life of production equipment and timely perform its maintenance, repair or replacement. Non-destructive testing is widespread all over the world, and it can be said that the degree of development of non-destructive testing in a certain country is already becoming a sign of the economic condition of this country.