Discover the Fluke 1503 Insulation Tester, a must-have tool for professionals in the electrical testing and diagnostics industry. Renowned for its reliability and precision, Fluke delivers yet again with this compact and robust insulation tester, designed to meet the demands of rigorous use in various applications. Equipped with features that enhance its functionality, the 1503 model is easy to operate, offering accurate readings that ensure the integrity of your electrical systems. Whether you're a seasoned electrician or a trained technician, this insulation tester stands as an essential instrument for verifying insulation resistance levels. Bought never used