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Reporting Solid Contamination Levels – Particle Count: ISO 4406:1999

Created By: Hyprowira | Published Date: 12 September 2017 | Last Modified: 31 July 2019

How to Determine Fluid Sample Results in the Example above are as follows:

1. Know the number of particles per mL> 4µm [c],> 6µm [c] and> 14µm [c] respectively (430, 90 and 21)

2. Then the number of particles is matched to the "Cleanliness Code" table for each known number of particles:

 

From a match with the table that:

- The number of particles> 4µm [c] (430) is in a position of more than 320, and for the ISO Code it is 16.

- Then the number of particles> 6µm [c] (90) is more than 80, and for the ISO Code it is 14.

- And finally the number of particles> 14µm [c] (21) is more than 20, and for the ISO Code it is 12.

 

From the match of the three numbers of particles will get ISO Cleanliness Code: 16/14/12

 

Reporting Solid Contamination Levels - Particle Count: ISO 4406: 1999 can be download here.

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