Doble Engineering

Doble Engineering is a manufacturer that services 110 countries around the globe. Doble test equipment has gained a strong reputation in the production of software and equipment, specifically in the electric and power industry with offices in eleven countries. Doble was founded nearly a century ago in 1920 by Frank C. Doble, whose first major breakthrough was the Portable Insulation Test.

Doble Engineering instruments and test sets are used today in the testing and maintenance of transformers, bushings, protective relays, circuit breakers, rotating machines and more. You can acquire a variety of Doble Engineering’s products from TRS-RenTelco for rent or lease.

We have an experienced team of metrologists and technicians that calibrates every product to stringent standards in our 50 GHz ANSI/NCSL Z540-1 compliant laboratory. Browse our list of Doble test equipment and request a quote today.