The Megger 210400 is a high-performance insulation tester that combines advanced features with ease of use. Its unique combination of a high output voltage (1000V) and a wide measurement range (0.01MΩ to 100GΩ) makes it ideal for testing a wide variety of electrical equipment, including motors, generators, transformers, and cables. The 210400 also features a built-in digital multimeter, which allows users to perform voltage, current, and resistance measurements without the need for a separate instrument.