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Find our regular blog articles covering everything you need to know about electrical testing, all in one place.
  • AC insulation testing (2)
  • Battery testers (8)
  • Cable fault location, testing, and diagnostics (1)
  • Cable systems (1)
  • Cable test van (1)
  • Circuit breaker analyzers (4)
  • Contact resistance testing solutions (1)
  • DC insulation testing (3)
  • DGA monitoring (1)
  • Dynamic electric motor analysers (3)
  • Electrical resistance testing (2)
  • Electrical systems backup and quality (1)
  • Electric motor QC systems (1)
  • Electric vehicle charge point testing (2)
  • Grid measurement devices and testing (1)
  • Ground systems testing (15)
  • Ground testing (2)
  • Insulating materials and electronic components (1)
  • Insulating oil testing (1)
  • Insulation resistance testing < 1 kV (6)
  • Low resistance testing (4)
  • Megger Transformer Intelligence Centre (2)
  • Motor and generator testing (1)
  • Multi-function transformer test systems (2)
  • Multi-phase relay testing solutions (2)
  • Partial discharge testing and monitoring (2)
  • Portable appliance testing solutions (PATs) (2)
  • Power quality testing (1)
  • Power transformer testing and monitoring (2)
  • Primary injection testing solutions (1)
  • Protection system tools (2)
  • Relay software (1)
  • Single-phase relay testing solutions (1)
  • Static electric motor analyzers (2)
  • Switchgear (AIS/GIS/GIL) (1)
  • Time domain reflectometers (3)
  • Training (3)
  • Transformer frequency response (2)
  • Transformer insulation testing (10)
  • Transformer resistance testing (1)
  • Transformers (2)
  • Transformer short-circuit impedance (1)
  • Transformer turns ratio testing (2)
  • VLF insulation testing (1)
  • ADX (1)
  • AVO Training Institute (2)
  • Baker DX (1)
  • Baker EXP4000 (2)
  • BITE2 and BITE2P (1)
  • BITE3 battery impedance tester (1)
  • BITE5 battery tester series (2)
  • BVM (1)
  • Centrix 2.0 (2)
  • Centrix Evolution (1)
  • CFL535G dual-channel time domain reflectometer (2)
  • CITY SERIES (1)
  • DCM1500S (4)
  • DELTA4000 series 12 kV power factor/tan delta testers (8)
  • DET2/3 (5)
  • DET3TC (1)
  • DET4 series four-terminal earth/ground resistance testers (4)
  • DET14C and DET24C (3)
  • DETEX (1)
  • DLRO2 (3)
  • DLRO2X (2)
  • DLRO10 and DLRO10X digital low resistance micro-ohmmeters (2)
  • DLRO10HD and DLRO10HDX digital low resistance ohmmeters (4)
  • DLRO10X (1)
  • EGIL200 circuit breaker analyzer (1)
  • ERTS (1)
  • EST (1)
  • EVCC300 (1)
  • FRAX series sweep frequency response analysers (2)
  • IDAX series of insulation diagnostic analysers (9)
  • InsuLogix® G2 acetylene, hydrogen, and moisture monitor (1)
  • MFT-X1 Multifunction tester (1)
  • MGFL100 - Battery ground fault locator (1)
  • MIT300 series (1)
  • MIT400/2 series (2)
  • MIT1525 (1)
  • MIT2500 - High voltage handheld insulation and continuity tester (6)
  • MJÖLNER200 (1)
  • MJÖLNER600 (1)
  • MOM2 handheld 200 A micro-ohmmeter (1)
  • MPAC128 and MPAC128-ATEX Acoustic Imager (3)
  • MPQ1000 (1)
  • MPQ2000 (1)
  • MRCT relay and current transformer test set (2)
  • MTR105 (3)
  • OTS60SX/2 (1)
  • OTS PB and OTS AF series of insulating oil test sets (1)
  • PAT300 series (1)
  • PAT450 portable appliance tester (1)
  • Power transformer test van (1)
  • PVM210 (2)
  • Single-phase, hand-cranked TTR (2)
  • SVERKER 900 relay and substation test system (4)
  • TC3231 (3)
  • TDR500/3 (2)
  • TDR1000/3P (3)
  • TDR2000/3 and TDR2010 (2)
  • TDR2050 (1)
  • TM1700 circuit breaker analysers (1)
  • TM1800 circuit breaker analysers (2)
  • TORKEL900 series battery discharge test systems (2)
  • TRAX Multifunction transformer and substation test system (7)
  • TTR100-1 (1)
  • TTR310E and TTR330A (1)
  • TTRU3 True three-phase transformer turns ratio tester (2)
  • TXL series (1)
  • UHF PD Detector (1)
  • VIDAR (1)
  • VLF CR-28, VLF CR-40, and VLF CR-60 (1)
  • VLF CR-60HP (1)
  • VLF Sine Wave 34 kV (1)
  • VLF Sine Wave 45 kV (1)
  • VLF Sine Wave 62 kV (1)
Clear filters

Why traditional transformer testing can’t deliver long-lerm reliability

For years, many organizations have relied on time-based testing to keep their transformers running. It’s familiar, predictable, and built into established maintenance cycles.
12 May 2025

The costly risks of transformer failure — and how to avoid them

For asset and operations managers alike, few things are more disruptive than transformer failure.
25 April 2025

Understanding emergency levels in transformer faults: A guide for maintenance teams

17 April 2025

1 Hz testing with Megger's insulation diagnostics systems

Generator and Motor Testing for Onshore Wind Turbines

An overview of testing and maintenance methods to prevent failures
7 March 2025

An introduction to VLF cable testing

26 February 2025

How BCG Transformed Testing with MFT-X1 and CertSuite

A Case Study in Time-Saving Testing and Certification Efficiency with the MFT...

A kit for earth testing

Electrical Tester
17 February 2025

Insulation testing: a word of caution!

Electrical Tester
17 February 2025

Q and A: Insulation resistance testing

Electrical Tester
17 February 2025

A voltmeter in your pocket!

Electrical Tester

Q&A: Battery testing

Electrical Tester
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