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Doble Engineering

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Doble Engineering Company is an electrical diagnostics provider for the electric power industry, founded in 1920 and part of ESCO Technologies Inc.'s Utility Solutions Group.

Last updated September 11, 2026

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Overview

Doble Engineering Company describes itself as a provider of electrical diagnostics for the electric power industry, equipping electrical power system operators with tools, knowledge, and insights. Founded in 1920, it is part of the Utility Solutions Group of ESCO Technologies Inc. (NYSE: ESE) and serves customers around the globe. Its product areas include condition monitoring, electrical test instruments, high power test systems, asset and test data management, insulating materials diagnostics, partial discharge testing and monitoring, protection testing, and cybersecurity.

History

Doble Engineering Company was founded in 1920. It is part of the Utility Solutions Group of ESCO Technologies Inc. (NYSE: ESE) and serves customers around the globe. The company states it is an ISO 9001 & ISO/IEC 17025 & 17034 certified company.

Products and positioning

Doble describes itself as the world's most trusted brand in electrical diagnostics, providing energy system engineers with tools, insights, and confidence.

  • Condition Monitoring

    Monitor and analyze key parameters on critical assets; monitoring devices can be used individually or combined for a diagnostic monitoring platform.

  • Electrical Test Instruments

    Analyzers and diagnostic software for testing insulation condition and operation of substation apparatus.

  • High Power Test Systems

    A complete line of high voltage, high current, high power test systems and components.

  • Asset & Test Data Management

    Field force automation, asset risk and data management for decision-making from the field to the office.

  • Insulating Materials Diagnostics

    Crucial benchmarks for evaluating laboratory performance & the essential way to calibrate complete laboratory test procedures.

  • Partial Discharge Testing & Monitoring

    Avoid costly outages by testing in-service equipment with portable diagnostic tools for partial discharge.

  • Protection Testing

    Protection testing solutions including secondary multi-phase, primary/single-phase, secondary/single-phase, digital network analyzer, PowerBase software, and accessories.

  • Cybersecurity

    Compliance solutions derived from our keen understanding of the utility work processes — designed to improve productivity.

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