The Extech 380363 Insulation Tester is a powerful and versatile tool designed to meet the demands of professionals in electrical maintenance, troubleshooting, and quality assurance. With its advanced features and exceptional performance, this tester provides accurate and reliable insulation testing for a wide range of applications.Capable of measuring insulation resistance up to 10GΩ, the 380363 ensures comprehensive testing for various electrical systems. The tester offers three test voltages: 250V, 500V, and 1000V, allowing you to adapt the measurement to different insulation resistance levels and specific application requirements. This versatility makes the 380363 suitable for testing motor windings, transformer windings, instruments, appliances, wire and cable assemblies, new wiring installations, and more.Equipped with a Lo-Ohms function, the 380363 allows you to test connections and evaluate low resistance values with precision. The analog bargraph provides a visual representation of measurement trends, making it easy to monitor changes over time. This feature aids in identifying potential insulation issues or degradation, ensuring proactive maintenance and reliable performance.The 380363 goes beyond insulation testing by offering AC/DC voltage measurement capabilities up to 999V. This additional functionality allows you to assess voltage levels during testing, providing a comprehensive overview of electrical conditions.With its manual data record/recall function, the 380363 enables you to store and retrieve up to nine sets of measurement data. This feature promotes organization and simplifies data management, allowing you to keep track of multiple test results effortlessly.Safety is paramount during insulation testing, and the 380363 is equipped with a live circuit display warning and beeper. This warning system alerts you to the presence of live circuits, ensuring safe testing procedures and minimizing the risk of accidents.The Extech 380363 Insulation Tester is a reliable and indispensable tool for professionals in the electrical industry. Its high sensitivity guarantees accurate monitoring of low resistance motor windings, ensuring optimal performance and longevity.