About Doble

Doble Engineering Company is internationally recognized as a leader in products and services to maximize the safe and efficient delivery of electric power. In business for over 80 years, Doble does not manufacture or market utility assets such as transformers, circuit breakers, insulators and bushings. As a result, we have always been in a position to act as the "honest broker" of information related to the performance of these system components. For decades, Doble has collected and stored what is now an incredible treasure trove of valuable apparatus maintenance data. Simply put, there exists no comparable knowledge base of information for this industry. Doble has been, and continues to be, the electric utility's "librarian." This library of information grows each year with the addition of materials from Doble's annual technical conferences and the other networking and sharing we promote throughout the industry.

Doble originally established its reputation by developing diagnostic test instruments to evaluate the condition of electric power assets. The M series instruments, for example, and the "Doble Test" are now industry standard throughout the world for measuring the quality and condition of electrical insulation. The more recent M5100 Sweep Frequency Response Analyzer (SFRA) determines whether transformer repair is necessary without costly de-tanking. Doble also manufacturers circuit breaker test systems and power system simulators, as well as on-line diagnostic devices that continuously monitor apparatus and material condition.

The health and performance of a utility's electric apparatus is critical from both a performance and an investment point of view. Reliable monitoring and testing strategy has become the industry's insurance policy for maximizing valuable resources and preventing dangerous failures and outages. It is this foundation in apparatus diagnostic equipment that initially put Doble on the map and has led to the company's current, broader product and service offering.

Doble clients have access to a vast database of information via the web. Clients have always counted on their relationships with their Doble Client Service Engineers. These engineers work in close partnership with customers, analyzing test data and handling service issues, providing a wealth of knowledge and expertise. Now that interaction is also available on-line, enabling the round-the-clock support that is so critical in today's fast-paced global marketplace.

But being a Doble client is more than just the relationship shared between Doble and its clients. It also means membership in a community. Maintenance engineers, asset managers, and other utility professionals use Doble as their networking conduit for the discussion and exchange of critical information and for developing new industry solutions from individual and group experience. Doble's Client Committees, Client Conferences, User Groups, and e-mail forums have become such an integral part of the industry that they have almost gained an identity of their own, separate from Doble as a company.

Since insulating oils and materials are such an important aspect of apparatus performance, Doble has also established a business unit in laboratory services, offering world-class material sciences and high-voltage testing. This is an aspect of the company's business that may not be highly visible but is quietly growing and continues to support Doble's greater mission.

No other company in the world compares to Doble for our comprehensive range of products, solutions, and information for the electric power industry.

Doble Engineering Company is a privately held company with offices and sales representatives worldwide. The company is headquartered in Boston, Massachusetts, USA. For more information, call +1-617-926-4900. Or refer to the "Contact Us" section of the web site for a list of Doble offices around the world.