DL/T 423-2009Determination of dissolved gas content in insulatingoil Method of vacuum pressure difference (English PDF)
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Issued by
National Energy Administration
Level / Type
National · Recommended
Issue date
July 22, 2009
Implementation date
December 1, 2009
Scope
DL/T 423-2009 (Determination of dissolved gas content in insulatingoil Method of vacuum pressure difference) is available as an English-translated PDF.
DL/T 423-2009 — This standard specifies the vacuum insulating oil pressure method gas content measurement methods.
This standard applies to oil-filled electrical equipment insulating oil and gas content measurement for kinematic viscosity (40��C) is not greater than 4Omm2/s of other oil -containing gas may be determined with reference to the standards.
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Document preview — DL/T 423-2009
National Standard of the People's Republic of China
- ICS
- 27.100
- Classification
- E 38
- Replacing
- DL 423-1991
Issued by: National Energy Administration
Contents
- What this standard covers1
- Document data2
- Standards quoted by this document3
What this standard covers
This standard specifies the vacuum insulating oil pressure method gas content measurement methods. This standard applies to oil-filled electrical equipment insulating oil and gas content measurement for kinematic viscosity (40degCC) is not greater than 4Omm2/s of other oil -containing gas may be determined with reference to the standards. This standard is divided into A method (electronic vacuum gauge method) and Method B (U -shaped differential manometer oil column method).
Document data
International classification (ICS): 27.100.
Chinese classification (CCS): E38.
Estimated length of the Chinese original: 9,939 words.
Supersedes the earlier edition DL 423-1991.
Standards quoted by this document
GB/T 7597
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 7 pages — is available in the English PDF.
Referenced standards
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