Waco WI-2501 is a high-voltage analogue insulation tester engineered to test insulation resistance up to 2500 volts. Ideal for industrial-grade electrical equipment, transformers, switchgear, and high-tension cable systems, this tester provides clear, accurate readings via a large analog scale. Built with a durable casing to endure harsh field conditions, it is trusted by electrical engineers and maintenance professionals for its reliability and ease of use. It features an easy-to-read dial, sturdy test leads, and zero adjustment functionality. Whether conducting regular maintenance or troubleshooting insulation failures, the WI-2501 ensures you can perform safe and precise high-voltage tests in compliance with international standards.

Available on EnvMart, these Insulation Testers are perfect for checking the insulation resistance of electrical equipment. Waco Insulation Testers offer accuracy and reliability, making them ideal for both professional electricians and maintenance technicians.