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ENGINEERING EXPERTISE & ADVANCED DIAGNOSTICS

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

CALISTO™ H1 HYDROGEN SENSOR FOR TRANSFORMERS

Cost-effective and safe hydrogen measurement.

LEARN MORE

M7100 COMPLETE HIGH-VOLTAGE TESTING

The only test set available featuring two dual-function, high-voltage leads to deliver the fastest, most complete set of measurements.

LEARN MORE

MTS-5100 PROTECTIVE RELAY SYSTEM

All-in-one relay test set with a direct front panel interface for all functions, without exception.
LEARN MORE

M5500 FAST, ACCURATE, REPEATABLE SFRA

Sweep Frequency Response Analyzer with incredibly fast sweep speeds and expanded dynamic range to reduce testing time while producing high-quality measurements.
LEARN MORE

CALISTO T1 ALL-IN-ONE CONDITION MONITORING SYSTEM

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

LEARN MORE

SPARK P3

Universal PD/EMI measurement system
with built-in expertise

Experience now

DOBLE BLOG: LATEST POSTS

  • 2021 International Conference of Doble Clients: Panel Spotlight
    2021 International Conference of Doble Clients: Panel Spotlight
    By Doble Engineering Company in General, Service | April 7, 2021
  • Four Power Industry Trends for 2021
    Four Power Industry Trends for 2021
    By Tony McGrail in Condition Monitoring, Transformers, Service | March 17, 2021
  • The Key to Relay Protection Success: Cooperation
    The Key to Relay Protection Success: Cooperation
    By Ed Khan in Protection Testing | March 3, 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

A message from Doble about COVID-19

GET THE POWER OF KNOWING WITH DOBLE

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

OUR PRODUCTS

UPCOMING EVENT

2021 International Conference of Doble Clients | Virtual The world’s premier conference for the electric power industry brought to you virtually for the first time

Come together with your peers in the power industry to discuss the pressing topics that impact your job and address the concerns of the power industry through education, discussion and collaboration.

April 7, 2021 - April 16, 2021

Learn More
2021 International Conference of Doble Clients | Virtual

FEATURED TRAINING

Virtual Protection Training Courses
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FEATURED TECHNICAL PAPER

Field Dryout of 3 Single Phase Transformers Simultaneously with Low Frequency Heating Method
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FACTORY ACCEPTANCE TESTS
Anything but Routine

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Discover the key elements for
a successful FAT

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Doble Engineering Company
Discover the new Spark P3 universal PD and EMI analyzer at our launch webinar on 𝗔𝗽𝗿𝗶𝗹 𝟭𝟯, 𝗳𝗿𝗼𝗺 𝟭:𝟯𝟬 𝗽.𝗺. - 𝟭:𝟰𝟱 𝗽… https://t.co/mfah88VDae01:35PM 12 Apr 2021
Doble Engineering Company
With automatic signal classification, data interpretation, guided measurements and more, the Spark P3 analyzer make… https://t.co/KbleGIuQDL12:25PM 12 Apr 2021
Doble Engineering Company
Join us on 𝐀𝐩𝐫𝐢𝐥 𝟏𝟒 𝐚𝐭 𝟏:𝟑𝟎 𝐩.𝐦. 𝐄𝐃𝐓 for a 15-minute webinar on the new Calisto H1 hydrogen detector. Learn how to… https://t.co/WfH0lujO0003:00PM 8 Apr 2021

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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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    • SECURITY & COMPLIANCE
      • Transient Cyber Asset Program
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      • EMP Protection
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  • SOLUTIONS
    • Transformers
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  • SERVICES
    • CLIENT SERVICES
      • Doble Knowledgebase
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      • Doble Database
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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
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      • Transformer Oil Purchase Specification
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    • EQUIPMENT RENTALS
    • MyDoble
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  • TRAINING
    • POWER TRANSFORMERS TRAINING
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  • ABOUT
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Doble Engineering Company

  • PRODUCTS
    • CALISTO CONDITION MONITORING
      • doblePRIME
      • Calisto DGA Monitors
      • Calisto T1
      • Calisto H1
      • doblePRIME IDD
      • doblePRIME PD-Guard
      • doblePRIME Analytics
      • doblePRIME DOMINO
      • doblePRIME iO
      • dobleASSURANCE
      • Calisto Monitoring Accessories
      • Back
    • ENTERPRISE ASSET MANAGEMENT
      • INSIDEVIEW
      • Doble Database
      • Test Data Management
      • Transformer Fleet Health Management
      • Back
    • IN-SERVICE TESTING & ASSESSMENT
      • Intro to Spark P3
      • Spark P3
      • 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
      • 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 Database
      • Test Data Management
      • Doble Client Committees
      • Product Support
      • Laboratries
      • 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
    • MyDoble
    • 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
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    • News
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    • Contact Us
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  • EVENTS
    • All Event Listings
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