Standard

IEC TR 61946:2007 ED1

Feb 2007 Published

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Abstract

Describes a test method for the classification of mineral insulating oils as either paraffinic or naphthenic, by means of low-temperature differential scanning calorimetry (DSC). For the purpose of this technical report, the typical operating temperature range extends from -100 °C to +100 °C. The temperature range can be extended, depending upon the instrumentation used. The method is applicable to mineral insulating oils obtained from petroleum crudes. It may be also applied to mineral oils containing pour point depressants, as these additives do not prevent the formation of paraffin crystals but only the growing of such micro-crystals.

Document information

Standard from IEC
Published: 23 February 2007
Edition: 1
Version: 1
Document type: TR
ISBN:

ICS 29.040.10
ISO TC TC 10

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Adopted by: NEK IEC 60068-2-28:1968

IEC TR 61946:2007 ED1

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Abstract

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Abstract

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