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DL/T 421-2009 English PDF

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DL/T 421-2009: Determination of volume resistivity of power oils
Status: Valid

DL/T 421: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
DL/T 421-2009English209 Add to Cart 3 days [Need to translate] Determination of volume resistivity of power oils Valid DL/T 421-2009
DL 421-1991EnglishRFQ ASK 3 days [Need to translate] Method for determining volume resistivity of insulating oil Obsolete DL 421-1991

PDF similar to DL/T 421-2009


Standard similar to DL/T 421-2009

DL/T 1432.2   DB11/ 238   GB/T 7600   DL/T 474.2   DL/T 474.1   DL/T 423   

Basic data

Standard ID DL/T 421-2009 (DL/T421-2009)
Description (Translated English) Determination of volume resistivity of power oils
Sector / Industry Electricity & Power Industry Standard (Recommended)
Classification of Chinese Standard E38
Classification of International Standard 27.100
Word Count Estimation 8,890
Date of Issue 2009-07-22
Date of Implementation 2009-12-01
Older Standard (superseded by this standard) DL 421-1991
Quoted Standard GB/T 5654; ??GB/T 7597
Regulation (derived from) Industry standard filing Notice 2009 No. 9 (No. 117 overall)
Issuing agency(ies) National Energy Administration
Summary This standard specifies the insulating oil, anti- oil volume resistivity method. This standard applies to insulating oil, anti- oil volume resistivity measurement, other oils medium volume resistivity can be measured with reference to the standards.

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