Automatic Type Insulation Analyzer accurately evaluates the condition of substation high voltage power apparatus, even under conditions of high electrostatic and electromagnetic interference. The Analyzer eliminates substation signal interference and generates its clean test signal for the most reliable and repeatable results. The Analyzer has automated setup that eliminates errors and has diagnostics software that makes testing easy, fast and smart. The Analyzer has built-in test set diagnostics that identify problems with the instrument. The Automatic Type Insulation Analyzer ensures accurate result.