Superseded
Standard
Historical
IEC 60970:1989
Methods for counting and sizing particles in insulating liquids
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Summary
Describes sampling procedures and methods for determining particle concentration and particle size distribution. Three methods are recommended, one using an automatic particle size analyzer and two based on the counting, with an optical microscope, of particles on the surface of a filtering membrane. All methods are applicable to both unused liquids and liquids in service.
Technical characteristics
| Publisher | International Electrotechnical Commission (IEC) |
| Publication Date | 06/15/1989 |
| Release Date | 06/15/1989 |
| Cancellation Date | 07/16/2007 |
| Edition | 1 |
| Page Count | 35 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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Previous versions
15/06/1989
Superseded
Historical
16/07/2007
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