Designed to be used alone or in conjunction with a laboratory course, this text gives students a practical understanding of electrical laboratory practices and teaches them to become proficient users of electronic measuring instruments. It explains how to select instruments for various measurement applications, how to evaluate their capabilities, how to connect them together, and how operate them properly. To meet the growing demand on students to collect more data and perform sophisticated analysis, this revision omits discussions of outdated analog instruments in favor of the latest digital instruments.