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Standards on Electrical insulating oils

(09211640-9) Electrical insulating oils; Huiles utilisées comme isolants électriques; Elektroisolieröle; Aceites para aislamiento eléctrico


Technical committee

CLC/SR 10

Fluids for electrotechnical applications


Testing methods

Insulating Liquids - Determination of the breakdown voltage at power frequency (5 – 100) kV  

Insulating liquids - Contamination by polychlorinated biphenyls (pcbs). method of determination by capillary column gas chromatography - (10 – 1000) ppm  

Insulating Liquids - Determination of water by automatic coulometric karl fischer titration (2 – 100) ppm  

Insulating liquids - Dielectric dissipation factor (tan δ) (0,0001 – 0,5)  

Insulating liquids - Determination of neutralization coefficient (0,005 – 2 mg) KOH/g  

Insulating liquids - Dissolved gases by chromatography. Extraction method at vacuum with pump Toepler  

Insulating liquids - Dissolved gases by chromatography. Headspace method  

Insulating liquids - Determination of 2-furfural and related compounds by HPLC. Extraction method B  

Below you can find relevant European standards, international standards and test methods applicable to electrical insulating oils. Simply click on the Standardisation Technical Committee or in the Test method to obtain information about standards, tests and testing houses or laboratories.