Industrial HR-400 Leakage Current Tester Controller is a dedicated control unit for the HR-400 leakage current tester. Used in industrial environments to manage leakage-current testing workflows, it interfaces with the HR-400 tester to perform measurement operations. Related components such as AEA circuit boards are shown in listings for HR-400 leakage testers, indicating the HR-400 system uses AEA hardware as part of its test setup.
