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> Brand: BAUR Transformer Insulating Oil Testing

Transformer Insulating Oil Testing

Insulating liquids – the lifeblood of transformers

Transformers are designed to be in operation for 40 years or even longer. For the responsible body, their positive economic balance is heavily dependent on avoiding repair times and possible downtimes.


The insulating oil is a decisive criterion for reliable operation. Its ageing condition, which is affected by oxidation, thermal stress, and contact with other materials, essentially determines the service life of the transformer. With BAUR you have an expert partner by your side, enabling you to test the insulating liquid before the transformer fails. The insulating oil testers from BAUR enable you to ensure the reliable operation of your transformers.


Test insulating oil – avoid downtimes


Insulating oil ensures the safe operation of power transformers. In addition to traditional insulating oils, new insulating liquids, such as natural or synthetic ester, are an increasingly popular choice. When insulating liquids are used for cooling and electrical insulation, impurities or ageing can have a huge impact on insulation capacity and result in plant shutdown or even an accident.


In order to prevent this, national and international standards as well as statutory provisions require the regular testing of insulating liquids. The diagnostics of the insulating liquids provides detailed information on the quality of the refining, the purity of the oil, and ageing as well as dielectric losses and dielectric strength. During the quality analysis, the results must be used to determine whether the insulating liquid still provides effective insulation or whether it needs to be reconditioned or changed.


Testing insulating materials with BAUR – reproducible and precise results


Precise measurement methods are essential when analysing insulating oil. Our insulating oil testing and diagnostics devices and the ITS Lite software are therefore optimised for easy and faultless handling

  • automatic test cycles that conform to the standards
  • low measurement tolerance for reproducible results
  • clear, unambiguous display of the results
  • clearly arranged reports and user-friendly archiving


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