Skip to main content
Home
  • Products & Solutions
    Electrical Test Instruments
    Tools for precise electrical testing and diagnostics
    Asset Monitoring Solutions
    Continuous system performance tracking
    Learn more
    Data Driven Insights
    Actionable intelligence with advanced data analysis
    Focus Areas
    Meeting the unique needs of diverse industries
    Electrical Test Instruments
    Electrical Test Instruments
    Battery testing
    Cable fault location, testing, and diagnostics
    Cable testing and diagnostics
    Cable tools
    Portable cable fault locating systems
    Telecom & control cable testing solutions
    Cable test van
    VLF withstand testing
    Circuit breaker testing
    Circuit breaker analyzers
    Contact resistance testing solutions
    Primary injection testing solutions
    Electrical insulation testing
    DC insulation testing
    Insulation resistance testing < 1 kV
    Electrical resistance testing
    Ground systems testing
    Low resistance testing
    Electric vehicle charge point testing
    Electricians testers and tools
    Ground testing
    Electricians' accessories
    Loop and RCD testing
    Multifunction installation testers
    Multimeters and clampmeters
    Portable appliance testing solutions (PATs)
    Thermal cameras
    Time domain reflectometers
    Motor and generator testing
    Static electric motor analyzers
    Dynamic electric motor analyzers
    Electric motor QC systems
    Partial discharge testing and monitoring
    Bushings, spacers and insulators
    Cable systems
    Insulating materials and electronic components
    Motors and generators
    Switchgear (AIS/GIS/GIL)
    Transformers
    Relay protection testing
    IEC 61850 solutions
    Multi-phase relay testing solutions
    Protection system tools
    Relay software
    Single-phase relay testing solutions
    Power transformer testing
    Megger Transformer Intelligence Centre
    Multi-function transformer test systems
    Transformer insulation testing
    Insulating oil testing
    Transformer resistance testing
    Transformer short-circuit impedance
    Transformer turns ratio testing
    Transformer frequency response
    Asset Monitoring Solutions
    Asset Monitoring Solutions
    Grid Monitoring Solutions
    Transformer Monitoring Solutions
    Rotating Machine Monitoring
    Cable Monitoring Solutions
    Gas Insulated Switchgear (GIS, GIL)
    Industrial Asset Monitoring
    Data Driven Insights
    Data Driven Insights
    Asset Performance Management
    Asset Investment Planning
    Enterprise Asset Management
    Outage Management System
    Megger Transformer Intelligence Centre
    Focus Areas
    Focus Areas
    Data Centres
    Electric substations
    Electricians
    OEM and Industrial
    Renewables
    Hydroelectric
    Photovoltaic testers
    Wind energy system
    Transportation
    Utilities
    Water utilities
  • About us
  • Buy Rent Lease
  • Services
  • Events
  • Careers
Search
English US English US

Power transformer testing

Megger's world of industry-leading transformer monitoring and testing solutions

Narrow down your selection

All Power transformer testing Megger Transformer Intelligence Centre Multi-function transformer test systems Transformer insulation testing Insulating oil testing Transformer resistance testing Transformer short-circuit impedance Transformer turns ratio testing Transformer frequency response
Show 3 more Show 3 less

Welcome to Megger's transformer monitoring and testing portfolio - your trusted partner who will help you gain a deep insight into the health of your transformers.

Are you a utility, asset manager, service contractor, heavy industrial, or manufacturer seeking top-tier transformer testing solutions? Megger brings you an unmatched portfolio tailored to meet your unique needs. We gear our solutions towards addressing critical challenges in diagnostic time, portability, cost of ownership, and efficient condition monitoring and testing.

Why choose Megger’s transformer monitoring and testing solutions?

  1. A 360-degree view of your transformer’s health: Megger offers the widest portfolio of transformer test and monitoring products in the industry, empowering you with the latest technological advancements in transformer diagnostics.
  2. Maximize your transformer management program’s ROI: For decades, Megger has been a symbol of reliability with robust and long-lasting products. Countless industry professionals trust Megger as a key partner to help extend transformer life.
  3. State-of-the-art technologies for optimized transformer health insights: Innovations like DFR (Dielectric Frequency Response) and 1 Hz power factor testing, as well as Megger’s leading method for finding a dielectric’s unique temperature correction factor, which reveals your transformer’s real power factor at any temp, are all setting new standards for transformer diagnostics.
  4. Over a century of knowledge and experience, supporting data-driven decision making: Rely on our vast expertise, built over 130 years, and combine it with the latest technological advancements to guide you through even the most complex testing challenges, and to help you understand your results.
  5. Product support to keep you working and the insights coming: Our dedicated team stands ready to assist you at every step, ensuring a seamless experience.

Experience seamless diagnostics, enhanced efficiency, and confident decision making. Contact us today to talk to one of our transformer specialists or explore our complete portfolio below.

For a more in-depth exploration of our transformer solutions in real-world applications, we invite you to delve into these insightful case studies.

  • Misleading line frequency insulation results on a contaminated transformer
  • Pinpointing concealed problems inside a resistive-type OLTC before physical inspection
  • What is melting here?
  • Show discontinued products

DELTA4000 series 12 kV power factor/tan delta testers

The DELTA4000 series tests electrical insulation in power apparatus

TRAX Multifunction transformer and substation test system

Portable and compact system packed with features that maximize asset condition awareness
New

MTOU3 three-phase winding resistance ohmmeter

Three-phase winding resistance ohmmeter for electro-mechanical testing of power, distribution, and instrument transformers

TTRU3 True three-phase transformer turns ratio tester

Megger's TTRU3 guarantees a transformer turns ratio accuracy of ±0.05 %

InsuLogix® G2 acetylene, hydrogen, and moisture monitor

On-line dissolved gas analyser (DGA) for incipient and critical fault detection

TTRU1 handheld transformer turns ratiometer

Handheld, battery-operated transformer turns ratiometer

IDAX series of insulation diagnostic analyzers

Measure moisture content, tan delta/power factor and oil conductivity using DFR in the field - IDAX300/300S, IDAX322, IDAX350
New

Essential 5 kV and 10 kV insulation resistance testers

MIT515/2, MIT1015

FRAX series sweep frequency response analyzers

Detect potential mechanical and electrical problems in power transformers - FRAX200, FRAX150, FRAX101 (discontinued), FRAX99 (discontinued)
New

ICMneo

Digital Partial Discharge test and measurement device.

IDAX322

Insulation diagnostic tester

OTD - Oil Tan Delta test set

The OTD tests the electrical insulation of the oil in high voltage transformers and switchgear.

OTS PB and OTS AF series of insulating oil test sets

Fully automatic insulating oil dielectric breakdown testers

TAU3 true three-phase transformer winding analyzer

Transformer diagnostics in a single instrument
New

Advanced 5 kV, 10 kV and 15 kV insulation resistance testers

MIT525/2, MIT1025/2, MIT1525/2
New

Expert 5 kV, 10 kV and 15 kV insulation resistance testers

S1-568/2, S1-1068/2, S1-1568/2

CDAX 605 High precision capacitance and dissipation factor measuring instrument

CDAX 605 is designed for laboratory, production line or field testing.

Power transformer test van

Comprehensive, portable transformer testing
  • Load More

Footer menu

  • Discover
    • Products and solutions
    • Buy, rent or lease
    • News
    • About us
    • Knowledge hub
  • Legal
    • Legal Information
    • Cookie policy
    • Modern slavery act
    • Privacy policy
    • Coordinated Vulnerability Reporting
  • Our brands
    • AVO Training
    • AVO Diagnostic Services
    • SebaKMT
    • Sentrisense
    • States
Preferences
Change location and language
Change cookie settings

Connect with us

  • Megger
  • MeggerUK
  • Megger
  • Megger
Megger Logo

Copyright © 2026 Megger, all rights reserved.

Choose Language

Global (Intl. English)
Global (Intl. English)
USA (English US)
USA (English US)
UK (English UK)
UK (English UK)
Germany (Deutsch)
Germany (Deutsch)
Brazil (Português)
Brazil (Português)
Canada (English CA)
Canada (English CA)
Latinoamérica (Español)
Latinoamérica (Español)
Canada (Français CA)
Canada (Français CA)
Česko (Czechia)
Česko (Czechia)
China (简体中文)
China (简体中文)
France (Français)
France (Français)
Italy (Italiano)
Italy (Italiano)
Poland (Polski)
Poland (Polski)
Spain (Español)
Spain (Español)
Sweden (Svenska)
Sweden (Svenska)
Türkiye (Türkçe)
Türkiye (Türkçe)
CIS (Русский)
CIS (Русский)