The book "Operation of electrical measuring devices" by G. P. Minina is an indispensable guide for anyone interested in the world of electronics and electrical engineering. In his work, the author is deeply immersed in the subtleties of using and maintaining electrical measuring devices, offering readers extensive knowledge and practical skills that will help in their professional activities. From the first pages of the book it is clear that G. P. Minin is an experienced specialist in his field. It shares not only theoretical foundations, but also practical aspects of the operation of electrical measuring devices, which makes the material accessible and understandable to a wide audience. The book will be of interest to both students of technical universities and practicing engineers, as well as anyone who wants to deepen their knowledge in the field of electrical measurements. If you work in the field of electrical engineering, electronics, or simply are fond of these topics, this publication will be a real find for you. The topics raised in the book cover a wide range of issues, from the basics of operation of various types of devices to their calibration and maintenance. Minin does not just list facts and data, he creates a holistic view of how to properly use electrical measuring instruments to obtain accurate and reliable results. The reader will be able to learn about the principles of operation of voltmeters, ammeters, oscilloscopes and many other devices, as well as how to avoid common errors in their operation. The author’s style is distinguished by clarity and logical presentation . Each chapter of the book is built in such a way that the reader gradually sinks into the material without losing interest and understanding. Minin uses many examples from practice, which allows you to better absorb information and apply it in practice. In addition, the book contains illustrations and diagrams that make the perception of the material even more clear and understandable. “The operation of electrical measuring devices” is not just a textbook, it is a whole encyclopedia that will be useful not only for professionals, but also for those who want to understand the basics of electrical measurements. The book raises important topics such as safety when working with electrical devices, the correct interpretation of measurements and the influence of external factors on the results. These aspects are extremely relevant in today's world, where accuracy and reliability of measurements play a key role in various industries - from industry to scientific research. If you are looking for literature that will help you become more competent in the field of electrical measurements, or want to simply expand your horizons in this important field, book G. P. Minina will be a great choice. It will not only enrich your knowledge, but also inspire you to further explore the topic. In conclusion, it is worth noting that “The operation of electrical measuring instruments” is not just a book, but a valuable resource that will help you become an expert in the field of electrical measurements. Do not miss the opportunity to discover the world of accurate measurements and learn how to use electrical measuring devices at a high level. Read, study and apply the knowledge gained in practice!