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ENGINEERING EXPERTISE & ADVANCED DIAGNOSTICS

TO HELP ENSURE ALL PEOPLE HAVE RELIABLE, SAFE AND SECURE ENERGY
OUR PRODUCTS

A message from Doble about COVID-19

  • PRODUCTS

    Understand asset health through Doble diagnostic test equipment and software

  • SERVICES

    Comprehensive support through training, consulting, laboratory and testing services

  • KNOWLEDGE

    Access to technical resources and professional development opportunities

COMPLETE HIGH-VOLTAGE TESTING SOLUTION

The Doble M7100™ High-Voltage (HV) Asset Analyzer is your complete solution for high and low voltage testing. The only test set featuring two dual-function high-voltage leads for source and measurement delivers the fastest, complete set of measurements.

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FAST. ACCURATE. REPEATABLE.

Doble’s *new* M5500 Sweep Frequency Analyzer’s incredibly fast sweep speed and expanded dynamic range mean reduced testing time and high-quality measurements. For periodic testing or forensic investigation, you need the M5500 in your diagnostic toolkit.

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NERC PRC-027-1 SOLUTION

Cutting-edge solution for driving relay setting development efficiency, ensuring data accuracy and achieving NERC PRC-027-1 compliance.

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ANALYZE TRANSFORMER DIAGNOSTICS

Doble SFRA Software v6 includes powerful new tools for set up, data management and analysis making it easier to perform SFRA tests and manage and interpret the results.

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ALL-IN-ONE CONDITION MONITORING SYSTEM

Calisto™ T1 encapsulates the functionality of the present doblePRIME™ modules (Bushings, Partial Discharge, A/D) in a single configurable package in a cost-effective manner.

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SECURITY & NERC CIP COMPLIANCE SOLUTIONS

Doble’s innovative cybersecurity and NERC CIP compliance solutions derive from our keen understanding of the utility work processes, and are designed to improve productivity.

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GET THE POWER OF KNOWING WITH DOBLE

Providing the tools, training, and information you need to perform effective diagnostic testing & asset management

OUR PRODUCTS

DOBLE BLOG: LATEST POSTS

  • Doble’s David Koehler: The New IEEE VP-Elect of Member & Geographic Activities
    Doble’s David Koehler: The New IEEE VP-Elect of Member & Geographic Activities
    By Doble Engineering Company in General | January 21, 2021
  • Top Five Reasons to Attend the Reimagined 2021 Life of a Transformer Seminar
    Top Five Reasons to Attend the Reimagined 2021 Life of a Transformer Seminar
    By Doble Engineering Company in Training & Education, Transformers | January 14, 2021
  • Paul Griffin and his 42 years with Doble
    Paul Griffin and his 42 years with Doble
    By Doble Engineering Company in General, Laboratory Diagnostics, Service | January 7, 2021

100 Years of Doble: Centennial Video

Watch our video to learn about Doble’s legacy and get a sneak peek of what the next 100 years may hold.
Watch Video

UPCOMING EVENT

2021 Life of a Transformer Seminar | Virtual Seminar The World’s Premier Training Experience on Power Transformers

Over 9,500 global delegates from over 50 countries have benefited from Doble’s Life of a Transformer Seminar over the past 18 years. See why so many people say this seminar is a critical training opportunity for every transformer engineer and new electrical power engineer.

February 15, 2021 - February 18, 2021

Learn More
2021 Life of a Transformer Seminar | Virtual Seminar

FACTORY ACCEPTANCE TESTS – Anything but Routine

Download our eBook:
Discover the key elements for
a successful FAT

Download the Ebook

FEATURED TRAINING

Virtual Protection Training Courses
Register

FEATURED TECHNICAL PAPER

Unified Logical Transformer Risk Assessment (ULTRA)
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CONDITION MONITORING
Build an effective program

Download our eBook:
Uncovering your transformers’ secrets
through condition monitoring

Download the Ebook

Tweets by Doble

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Congratulations to #DavidKoehler, who was recently elected to #IEEE as the Vice President-Elect of Member & Geograp… https://t.co/rraquTzbD703:57PM 21 Jan 2021
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Attend the #virtual Life of a Transformer Seminar and choose from #training on #transformer design, factory inspect… https://t.co/WBiyJsuMO708:41AM 21 Jan 2021
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#DobleReleaseUpdate - SFRA SOFTWARE v6.1.2 | includes: required apparatus type definition; retrieve all traces in a… https://t.co/09QSKDvSs412:20PM 19 Jan 2021

PRODUCTS

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ESCO
Doble is an ESCO Technologies Company

Doble is an ISO 9001 & ISO/IEC 17025 & 17034 Certified Company. © 2021 Doble Engineering Company. All Rights Reserved. Privacy Policy & Legal Disclosures.

Doble Engineering Company

  • PRODUCTS
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    • OFF-LINE TESTING & ASSESSMENT
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      • Relay Test Equipment
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    • SECURITY & COMPLIANCE
      • Transient Cyber Asset Program
      • PatchAssure
      • EMP Protection
      • Security & Compliance Services
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  • SOLUTIONS
    • Transformers
    • Bushings
    • Protective Relays
    • Circuit Breakers
    • Rotating Machines
    • Cables
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  • SERVICES
    • CLIENT SERVICES
      • Doble Knowledgebase
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      • Intl. Conference of Doble Clients
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      • Doble Client Committees
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      • AskDoble
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    • CONSULTING & TESTING SERVICES
      • Power Transformer Services
      • Rotating Machinery Services
      • Power Cable Services
      • Network & Substation Services
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    • LABORATORY SERVICES
      • Corrosive Sulphur & Passivators
      • Testing & Sampling
      • Lab Seminars & Events
      • Oil Committee
      • Oil Standards
      • Special Programs
      • Laboratory Locations
      • Transformer Oil Purchase Specification
      • Lab Service for Rotating Machines
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    • EQUIPMENT RENTALS
    • DOBLE RESOURCE LIBRARY
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  • TRAINING
    • POWER TRANSFORMERS TRAINING
    • PROTECTION THEORY & TESTING
    • LABORATORY DIAGNOSTICS TRAINING
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  • ABOUT
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Doble Engineering Company

  • PRODUCTS
    • CALISTO CONDITION MONITORING
      • doblePRIME
      • Calisto DGA Monitors
      • Calisto T1
      • doblePRIME IDD
      • doblePRIME PD-Guard
      • doblePRIME Analytics
      • doblePRIME DOMINO
      • doblePRIME iO
      • dobleASSURANCE
      • Back
    • ENTERPRISE ASSET MANAGEMENT
      • dobleARMS
      • DTAWeb
      • Test Data Management
      • INSIDEVIEW
      • Asset Health Management
      • Back
    • IN-SERVICE TESTING & ASSESSMENT
      • PDS100
      • PDS200
      • Myrkos
      • DFA300
      • DOMINO USS
      • LCM500
      • PD Accessories
      • Back
    • OIL STANDARDS
      • Atlantis
      • True North
      • Back
    • OFF-LINE TESTING & ASSESSMENT
      • M4100
      • M7100 Analyzer
      • DTA Software
      • DUCe for Apparatus Testing
      • SFRA
      • SFRA Software v6
      • Doble CB Analyzers
      • Vanguard CB Analyzers
      • Current Tx Testers
      • Vanguard Tx Testers
      • CB Power Supplies
      • Micro-Ohmmeters
      • Vacuum Bottle Testers
      • Insulation Analysis Accessories
      • CIRCUIT BREAKER ACCESSORIES
      • Back
    • PROTECTION TESTING
      • F6150e
      • F6150sv
      • MTS-5100
      • External Amplifiers
      • Protection Suite Software v5
      • 61850 TesT Software
      • F6TesT Software
      • RTS
      • PowerBase
      • NERC PRC-027-1 SOLUTION
      • Relay Test Equipment
      • Custom Options
      • Protection Testing Accessories
      • Back
    • SECURITY & COMPLIANCE
      • Transient Cyber Asset Program
      • PatchAssure
      • EMP Protection
      • Security & Compliance Services
      • Back
    • Back
  • SOLUTIONS
    • Transformers
    • Bushings
    • Protective Relays
    • Circuit Breakers
    • Rotating Machines
    • Cables
    • Back
  • SERVICES
    • CLIENT SERVICES
      • Doble Knowledgebase
      • Client Service Engineers
      • Intl. Conference of Doble Clients
      • On-Site Product Training
      • Doble Client Committees
      • Product Support
      • Laboratries
      • AskDoble
      • Back
    • CONSULTING & TESTING SERVICES
      • Power Transformer Services
      • Rotating Machinery Services
      • Power Cable Services
      • Network & Substation Services
      • Back
    • LABORATORY SERVICES
      • Corrosive Sulphur & Passivators
      • Testing & Sampling
      • Lab Seminars & Events
      • Oil Committee
      • Oil Standards
      • Special Programs
      • Laboratory Locations
      • Transformer Oil Purchase Specification
      • Lab Service for Rotating Machines
      • Back
    • EQUIPMENT RENTALS
    • DOBLE RESOURCE LIBRARY
    • Back
  • TRAINING
    • POWER TRANSFORMERS TRAINING
    • PROTECTION THEORY & TESTING
    • LABORATORY DIAGNOSTICS TRAINING
    • SUBSTATION EQUIPMENT TRAINING
    • ROTATING MACHINERY TRAINING
    • POWER CABLES TRAINING
    • ASSET MANAGEMENT TRAINING
    • Back
  • ABOUT
    • About Doble
    • Leadership Team
    • News
    • Careers
    • Contact Us
    • Quality Commitment
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  • EVENTS
    • All Event Listings
    • Training Overview
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