The team at Doble Engineering Company ensures reliable, safe and secure power for all. We do this by providing comprehensive diagnostics and engineering expertise for the energy industry. Doble has been helping clients in the electric power industry improve operations and optimize system performance for over a century with solutions for transformers, bushings, circuit breakers, rotating machines, protective relays, and cables. We specialize in... CONDITION MONITORING > Online dissolved gas analysis (DGA) monitoring > Condition monitoring systems for transformers > Hydrogen sensors for transformers ENTERPRISE ASSET MANAGEMENT > Database software > Data governance supervisory services > Insulating oil diagnostic software > Trusted condition assessment and testing expertise IN-SERVICE TESTING & ASSESSMENT > Portable dissolved gas analysis (DGA) > Partial discharge (PD) survey > Electromagnetic Intereference (EMI) measurement > RFI and acoustic signal survey > Portable moisture in oil and dewpoint analysis PROTECTION TESTING Ensure protection system performance through testing, data management & compliance reporting solutions > Power system simulation > IEC 61850 testing > Protection asset & test database > Universal protection testing system SECURITY & COMPLIANCE Compliance solutions derived from our keen understanding of utility work processes – designed to improve productivity > Effective security & compliance for field devices > Patching for the field > Know where your compliance program truly stands Doble is part of the Utility Solutions Group of ESCO Technologies Inc. (NYSE: ESE). Our companies and product lines include Manta Test Systems, Morgan Schaffer, and Vanguard Instruments.