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Dielectric Fluid Analytical Services

The insulating fluid in a power transformer performs two major functions:

  • Serves as electrical insulation to withstand the high voltages inside the transformer
  • Acts as a heat transfer medium to carry out heat generated within the transformer windings

Transformer oil analysis is a cost-effective electrical preventive maintenance tool. High Voltage Service and transformer manufacturers recommend an annual transformer fluid testing routine. Dielectric fluid testing provides reference points that can show a historical trend in the fluid condition. Quantitative transformer oil analysis can indicate the priority of taking preventive maintenance action.

As a transformer ages, gases and contaminants can dissolve in its fluid and lead to transformer failure. Sampling and analysis of the transformer oil form the cornerstone of transformer preventative maintenance.

Don't ignore fluid testing until a failure occurs, contact us.

High Voltage Service offers transformer oil processing services through our sister company DYMAX Service.

The DYMAX Related Transformer Service Links:

PCB Transformer Replacement

If you are in need of PCB Transformer Replacement or PCB Transformer Disposal, we can help you through our sister company - DYNEX Industries, Inc., visit

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