Category Technical FAQs

With ISO9001 and CE certifications, Wrindu’s high-voltage testers and other products has top quality and reliability. Explore our FAQs for expert insights on high-voltage and other testing procedures.

What Is Acidity (TAN) Testing

Learn how TAN (Total Acid Number) testing works for transformer oil. Discover step-by-step methods, acceptable values, common mistakes, and how Wrindu testers ensure accurate acidity analysis.

How to Improve BDV of Transformer Oil

Learn how to improve the BDV of transformer oil with practical methods like filtration, dehydration, and degassing. Discover causes of low BDV and how Wrindu BDV testers ensure accurate testing and reliable transformer performance.