SS-ISO 4407:2025
Current
Current
Hydraulic fluid power — Fluid contamination — Determination of particulate contamination by the counting method using an optical microscope (ISO 4407:2025, IDT)
Published date
12-16-2025
Publisher
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Summarise this standard
AI-generated summary
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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