The book "Measurement of voltages and signal levels with the help of electronic voltmeters and level meters: methodical instructions to the laboratory" by A. M. Kostrikina is an indispensable source of knowledge for students, graduate students and specialists in the field of electronics and automation. In this edition, the author offers readers a deep immersion in the world of measuring technologies, revealing all the subtleties and nuances of working with electronic voltmeters and level meters. Kostrykin, with a wealth of experience in the field of electronics, shares his knowledge, which makes the book not only a textbook, but also a practical guide. It examines the basic principles of voltage and signal levels measurement, focusing on current methods and devices that are used in this field. The reader will be able to learn about the different types of voltmeters, their characteristics, as well as how to choose and use these devices depending on the specifics of the tasks. The book will be of interest not only to students of technical specialties, but also to professionals working in the field of electronics, automation and control. If you are looking for information on how to make measurements correctly, how to interpret the data received and how to avoid common errors, this publication will become your reliable assistant. It is also suitable for those who are interested in the practical aspects of working with measuring instruments and want to deepen their knowledge in this area. The topics raised in the book cover a wide range of issues: from the foundations of measurement theory to practical recommendations for conducting laboratory work. Kostrykin pays attention not only to technical aspects, but also to methodological approaches, which makes his work valuable for teachers and students. Readers will be able to get acquainted with techniques that will help them not only to successfully pass laboratory classes, but also to prepare for exams. The author's style is distinguished by clarity and accessibility of presentation. Kostrykin is able to explain complex concepts in simple and understandable language, which makes his book especially attractive for those who are just starting their way in the world of electronics. His previous works have also gained recognition, and many of them have become classic textbooks in the field of measuring technologies. The book “Measurement of voltages and signal levels using electronic voltmeters and level meters” is not just a textbook, but a real find for anyone who wants to deepen their knowledge and skills in the field of measurement. This publication will become a reliable companion for students, graduate students and practitioners seeking professional growth and improvement of their skills. If you are looking for high-quality literature on electronics, measuring instruments and signal analysis methods, then Kostrikin’s book should definitely take a place on your shelf. It will help you not only to master the theoretical foundations, but also to put them into practice, which is a key aspect in any technical specialty. Do not miss the opportunity to enrich your knowledge and skills with this unique publication!