SS-ISO 4407:2025
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Hydraulic fluid power — Fluid contamination — Determination of particulate contamination by the counting method using an optical microscope (ISO 4407:2025, IDT)
Published date
16-12-2025
Publisher
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This International Standard specifies methods for determining the level of particulate contamination in liquids used in hydraulic systems by counting the number of particles deposited on the surface of a membrane filter using an optical microscope.
| Committee |
ISO/TC 131
|
| DocumentType |
Standard
|
| PublisherName |
Standardiserings-Kommissionen I Sverige
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| ISO 4407:2025 | Identical |
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