Which tools are used for transformer oil testing before energizing?

Key transformer oil tests include BDV, water content (Karl Fischer), DGA, and interfacial tension. Fluidex supplies both oil processing systems and testing kits for on-site BDV and moisture checks. This allows operators to verify oil quality after filtration or before energizing new or serviced transformers. Testing ensures compliance with IEC 60296 or ASTM D3487.