AVO Diagnostic Services

World-Class Transformer Oil Testing & Laboratory Solutions

AVO Diagnostic Services provides advanced transformer oil diagnostics to improve asset reliability, reduce failure risk, and support predictive maintenance. With more than 30 years of expertise, we deliver comprehensive testing, including DGA, moisture, IFT, acidity, dielectric strength, power factor, furanic compounds, methanol/ethanol, viscosity, and PCB analysis for transformers, OLTCs, renewable energy transformers, breakers, regulators, reactors, bushings, and oil-filled cables.

Keeping Your Assets Performing

Laboratory Diagnostic Services

Learn more

Equipment Diagnostic Evaluations

Learn more

Outsourced Laboratory Services

Learn more

Engineering Support

Learn more

Sampling Devices and Accessories

Learn more

Megger Transformer Intelligence Center

Learn more

Locations and Accreditations

Learn more

Upcoming Events

Learn more

Essential Oil Sampling Tips For Reliable Results

Ensure dependable results and protect your critical assets by following these expert oil sampling tips.

Read the article

Customer support

Get the help you need from the experts you trust

Lab forms

Download forms

Expert support

Get support

Knowledge Hub

Read the articles