ISA - Advanced Instrumentation
ISA (Advanced Instrumentation), now part of Doble Engineering Company, provides advanced testing solutions for electrical assets. The website identifies circuit breakers, transformers, and protective relays as key equipment areas. Its offerings are positioned to support precision testing and help improve asset reliability and safety. Doble’s broader portfolio also includes electrical test instruments, condition monitoring, diagnostics, protection testing, and related services; buyers should confirm which offerings are specifically available under the ISA name.