The Megger BAKER DX R PD 12 is the most advanced and versatile insulation tester on the market. It offers a wide range of features and capabilities that set it apart from the competition, including: A high output voltage of 12 kV, which allows it to test even the most heavily insulated equipment. A wide range of test currents, from 1 nA to 10 mA, which allows it to test a variety of materials and applications. A built-in polarization index (PI) and dielectric absorption ratio (DAR) function, which allows it to assess the condition of insulation over time. A large, backlit LCD display that makes it easy to read test results, even in low-light conditions.* A rugged, weatherproof case that makes it ideal for use in harsh environments.