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Homepage>BS Standards>17 METROLOGY AND MEASUREMENT. PHYSICAL PHENOMENA>17.220 Electricity. Magnetism. Electrical and magnetic measurements>17.220.99 Other standards related to electricity and magnetism>BS EN 60247:2004 Insulating liquids. Measurement of relative permittivity, dielectric dissipation factor (tan δ) and d.c. resistivity
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immediate downloadReleased: 2004-04-26
BS EN 60247:2004 Insulating liquids. Measurement of relative permittivity, dielectric dissipation factor (tan δ) and d.c. resistivity

BS EN 60247:2004

Insulating liquids. Measurement of relative permittivity, dielectric dissipation factor (tan δ) and d.c. resistivity

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Standard number:BS EN 60247:2004
Pages:30
Released:2004-04-26
ISBN:0 580 43672 1
Status:Standard
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BS EN 60247:2004


This standard BS EN 60247:2004 Insulating liquids. Measurement of relative permittivity, dielectric dissipation factor (tan δ) and d.c. resistivity is classified in these ICS categories:
  • 17.220.99 Other standards related to electricity and magnetism
  • 29.040.10 Insulating oils
Describes methods for the determination of the dielectric dissipation factor, relative permittivity and d.c. resistivity of any insulating liquid material at the test temperature. The methods are primarily intended for making reference tests on unused liquids. They can also be applied to liquids in service in transformers, cables and other electrical apparatus. However the method is applicable to a single phase liquid only. When it is desired to make routine determinations, simplified procedures, as described in Annex C, may be adopted. With insulating liquids other than hydrocarbons, alternative cleaning procedures may be required. The main changes from the previous edition deal with the preferred measurement method.