Furthermore, with over 30 years of experience, the laboratory excels in developing and implementing diagnostic tests on transformer oils and papers, crucial for assessing the integrity of transformer insulation systems.

For the past twenty years, the laboratory's core activity has been testing insulating liquids and electro-insulating papers, ensuring adherence to national and international standards (HRN, EN, IEC, ISO, ASTM).

Our laboratory is equipped to test a variety of materials, including mineral oil for transformers and cables, synthetic and natural esters (vegetable oil) for transformers, silicone oil for transformers, electrically insulating paper and press paper, laminated paper and wood, rubber sealing materials, and electrically insulating tapes.

Our laboratory offers a comprehensive range of tests, including:

• Physical, chemical, and dielectric properties of insulating oils
• Oxidation stability of insulating oils
• Chromatographic analysis of gases dissolved in transformer oil
• Assessment of the remaining life of the oil
• Determination of the degree of possible oil purification
• Physical and chemical testings of electrically insulating paper
• Determination of the degree of polymerization of paper (DP)
• The water content of oil and paper (KF coulometric titration method)
• Determination of furan derivatives in transformer oil by HPLC method
• Compatibility tests of various materials used in transformer with transformer oil
• Infrared spectroscopic analysis of oil
• Testing of rubber sealing materials