Transformer Oil Testing


High quality, clean Transformer oil is crucial for keeping transformers cool and operating effectively. Electrical and thermal stress or chemical contamination can cause failures and reduced transformer life. CSE Uniserve transformer oil testing services offer you a complete solution and we also will help with interpreting the data revealed by the testing process. Our analyses is fast and reliable and certified to NATA and SGS standards.

Why choose transformer oil testing from CSE Uniserve?

Our services will:

  • Determine the basic electrical properties of transformer oil
  • Identify if the oil is suitable for continued use
  • Detect if filtration or other service is required
  • Enhance Transformer life and reduce maintenance costs
  • Maximize safety of your team and prevent untimely failures
  • Allow you to assemble reliable data to understand changes or increases in key gases, moisture and the rate of gas production
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Testing standards include:



      • Color; e.g., ASTM D1500


      • Dielectric breakdown voltage; e.g., D 877, ASTM D1816


      • Dissolved gas analysis; e.g., ASTM D3612


      • Dissolved metals; e.g., ASTM D7151


      • Flash point, fire point; e.g., ASTM D92


      • Interfacial tension; e.g. D 971


      • Furanic compounds; e.g., ASTM D5837


      • Karl Fischer moisture; e.g., ASTM D1533


      • Liquid power factor; e.g., ASTM D924


      • Neutralization number; e.g., ASTM D974


      • Oxidation inhibitor content; e.g., ASTM D2668


      • Polychlorinated biphenyls content; e.g., ASTM D4059


      • Relative density (specific gravity); e.g., D 1298, ASTM D1524


      • Resistivity; e.g., ASTM D1169


      • Visual examination; e.g., ASTM D1524



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