The PDS100 provides complete substation PD survey capabilities

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The M7100 Power Apparatus Analyzer is revolutionizing testing by making it safer, faster and more efficient. Designed to dramatically cut testing time, the M7100 also limits safety risks by reducing ladder and bucket trips, while incorporating a truck full of test sets into one piece of equipment. The M7100 automates multiple tests, previously performed by […]

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Doble's Intelligent Diagnostic Devices (IDDs) are a cost-effective online diagnostic system used to monitor electrical apparatus in the field.

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System faults, short circuits, aging, or even handling during transportation can compromise a transformer's mechanical structure. Since these problems are difficult to detect, they usually go unnoticed and worsen over time, leading to loss of performance and possibly failure.

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The Doble Delphi Instruments are dissolved gas analysis monitors that help you track transformer health by providing early warning signs of problems such as overheating, insulation degradation or mechanical movement within the unit.

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M4100 4th Gen

Diagnostic Test System for Power Apparatus Condition Assessment The M4100 is the world’s premier power apparatus and insulation test instrument. Its unique combination of test capabilities and artificial intelligence analysis software makes it the power industry’s most trusted Power Factor/Tan-Delta instrument. These instruments are used around the globe thanks to their comprehensive testing options, safety […]

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Now in 110 countries, Doble Engineering has been helping clients in the electric power industry improve operations and optimize system performance for more than 85 years.

Doble offers diagnostic instruments, services, and the world’s premier library of statistically significant apparatus test results for the benefit of energy generation and delivery companies and industrial power users worldwide.

Doble was acquired by ESCO Technologies Inc. (NYSE: ESE) in 2007. Doble continues to be operated as a stand-alone company.

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