What services does a transformer oil test laboratory provide?

A transformer oil test laboratory provides dielectric, chemical, and diagnostic testing including BDV, moisture, acidity, interfacial tension, DGA, furan analysis, and corrosive sulfur testing. Labs also issue condition reports, trend analysis, and maintenance recommendations. Many labs support asset management programs by classifying risk levels and advising on oil treatment or transformer inspection. Accredited laboratories ensure test accuracy and compliance with IEC or ASTM standards.