This video explains the main functions and practical uses of the ZX-CH3 Three-Phase Capacitance and Inductance Tester in a clear, step-by-step format. You'll see a detailed demonstration of how this professional electrical testing equipment measures capacitance and inductance values in three-phase systems. We walk through its operation procedures, showcase its application in power equipment testing scenarios, and highlight key features that make it essential for preventive maintenance and condition assessment in substations and power distribution networks.