The Kyoritsu KEW4140 Digital LOOP/PFC/PSC Impedance Tester is a high-quality instrument designed for professional use in testing and measurement applications. With a maximum input voltage of 500V and a CAT III safety rating of 300V, this device is suitable for a wide range of industrial and commercial settings. Made in Japan by the reputable brand Kyoritsu, this impedance tester provides accurate and reliable results for various electrical testing needs. Its advanced features and capabilities make it a valuable tool for ensuring the quality and performance of electrical systems and components.