Doble Engineering Company is the world leader in diagnostic test instruments and knowledge services to the electric power industry. Our decades of unsurpassed cumulative knowledge and field testing experience have enabled us to develop diagnostic test instruments that accurately assess electrical apparatus condition. Engineered to perform consistently despite rough handling in transport and under adverse conditions, Doble instruments are legendary for reliability in the field.
Reliable testing and monitoring solutions from the transformer experts
Run fully automated steady-state, dynamic, and transient simulation tests
Efficient, accurate measurement of circuit-breaker dynamic timing and motion
Manage the state of your bushings/CTs, transformers, circuit breakers, and other apparatus.
Analyze insulation and track the by-products of deterioration in your high-value assets
Detect hidden transformer faults using sweep frequency response analysis (SFRA)