Tables - ISO 4406 / SAE AS 4059 / NAS 1638
HYDAC Filtersysteme GmbH
en
Page 87
BeWa CS1000 3247149l en.doc
2007-02-01
The values in the table show the particle count of a 100 ml sample.
17.1.2 Overview of the differences between ISO 4406:1987 and ISO 4406:1999
“old” ISO 4406:1987
“new” ISO 4406:1999
Size range
5 µm
> 15 µm
>4µm(c)
>6µm(c)
>14µm(c)
Dimension determined Longest dimension of
a particle
Diameter of the area-
equivalent circle
ISO 11171:1999
Test dust
ACFTD dust
1-10 µm
ultrafine fraction
ISO 12103-1A2
SAE Fine,
AC Ffine
ISO 12103-1A2
SAE 5-80 µm
ISO MTD
Calibration dust
for particle
counters
ISO 12103-1A3
SAE Coarse
Coarse fraction
ISO 12103-1A4
Comparable size
ranges
Old ACFTD calibration Comparable
ACFTD dusts
New NIST calibration
-----
> 1 µm
>4µm(c)
5 µm
5 µm
>6µm(c)
15 µm
15 µm
>14µm(c)
Содержание CS1000 Series
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