DL/T 421-2009
Determination of volume resistivity of power oils (English Version)

Standard No.

DL/T 421-2009

Language

Chinese, Available in English version

Release Date

2009

Published By

Professional Standard - Electricity

Latest

DL/T 421-2009

Scope

This standard specifies the method for measuring the volume resistivity of insulating oil and anti-oil oil. This standard is applicable to the determination of volume resistivity of insulating oil and anti-oil oil. The measurement of volume resistivity of other oil media can refer to this standard.

DL/T 421-2009 Referenced Document

• GB/T 5654 Insulating liquids.Measurement of relative permittivity,dielectric dissipation factor and d.c.resistivity
• GB/T 7597 Method of sampling for transformer and turbine oils in electric power industry

DL/T 421-2009 history

• 2009 DL/T 421-2009 Determination of volume resistivity of power oils
• 1991 DL 421-1991 Method for determining volume resistivity of insulating oil