SIST ISO 4407:2003

Oznaka standarda: SIST ISO 4407:2003
Koda projekta: 028058
Organizacija: SIST
Naslov (angleški): Hydraulic fluid power -- Fluid contamination -- Determination of particulate contamination by the counting method using an optical microscope
Naslov (slovenski): Fluidna tehnika - Hidravlika - Onesnaženje fluidov - Ugotavljanje onesnaženosti z delci - Metoda štetja delcev z optičnim mikroskopom
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Ime Jezik Status Cena Dodaj v košarico
SIST ISO 4407:2003 angleški jezik Active SIST-D: 53.24 EUR
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Tehnični odbor: IHPV - Hidravlika in pnevmatika
ICS: 23.100.60
Status: Objavljen
Objavljen: 01-Jul-2003
Refer. št. objave: Sporocila 2003-07-01
Referenčna oznaka: ISO 4407:2002
Področje projekta (angleško): 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. It includes particle counting by two manual methods and image analysis, using either transmitted or incident lighting systems. Particle sizes greater than or equal to 2 micrometres can be sized and counted by this method, but the resolution and accuracy of the results will depend upon the optical system used and the capabilities of the operator. All hydraulic fluids with a wide range of contamination levels can be analysed according to this International Standard. However, the counting uncertainty at the larger particle sizes increases if the volume filtered is reduced to allow smaller sized particles to be counted, where a fine precipitate or a high particle concentration is present.
Povezava na standarde
Povezava Ime Datum
Nadomešča SIST ISO 4407:1997 - Fluidna tehnika - Hidravlika - Onesnaženje fluidov - Ugotavljanje onesnaženosti z delci - Metoda štetja z mikroskopom 01-Jul-2003
Revidiran ISO 4407:1991 - Hydraulic fluid power — Fluid contamination — Determination of particulate contamination by the counting method using a microscope 12-May-2008


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