Eaton CCS 5, Instruction Manual

Page: 41 / 47

Instruction manual CCS 5, 15/ 10/ 2021
41
7.4. Cleanliness classes according to ISO 4406:99
According to ISO 4406 (year 1999) the number of particles sized > 4 µm
(c)
, > 6
µm
(c)
and > 14 µm
(c)
is being used to determine the cleanliness class. The
determination of the cleanliness class doesn’t depend on the particle size.
Example of presenting: 20 / 16 / 12
Analysis volume: 1 ml
Cleanliness class Number of particles .......... Up to and including
26 320000 640000
25 160000 320000
24 80000 160000
23 40000 80000
22 20000 40000
21 10000 20000
20 5000 10000
19 2500 5000
18 1300 2500
17 640 1300
16 320 640
15 160 320
14 80 160
13 40 80
12 20 40
11 10 20
10 5 10
9 2,5 5
8 1,3 2,5
7 0,6 1,3
6 0,3 0,6
Partikel > 14 µm
(c)
Partikel > 6 µm
(c)
Partikel > 4 µm
(c)