This recommendation describes the procedure to be used for sampling liquid dielectrics (askarels or hydrocarbon oils) in delivery containers and in electrical equipment and applies to liquids whose viscosity at the sampling temperature is less than 1500
IEC 60475:1974 history
0000 IEC 60475:2022 CMV
2011IEC 60475:2011 Method of sampling insulating liquids
1974IEC 60475:1974 Method of sampling liquid dielectrics