BS ISO 16232-7-2007 Road vehicles- Cleanliness of components
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- BS ISO 16232-7-2007 Road vehicles- Cleanliness of componentsNational foreword
This British Standard was published by BSI. It is the UK implementation of
ISO 16232-5:2007.
The UK participation in its preparation was entrusted to Technical Committee
MCE/22, Engines for road vehicles.
A list of organizations represented on this committee can be obtained on
request to its secretary.
This publication does not purport to include all the necessary provisions of a
contract. Users are responsible for its correct application.
Compliance with a British Standard cannot confer immunity from
legal obligations.
This British Standard was Amendments issued since publication
Amd. No. Date Comments
published under the authority
of the Standards Policy and
Strategy Committee
on 29 June 2007
© BSI 2007
INTERNATIONAL ISO
STANDARD 16232-7
First edition
2007-06-01
Road vehicles — Cleanliness of
components of fluid circuits —
Part 7:
Particle sizing and counting by microscopic analysis
Véhicules routiers — Propreté des composants des circuits de fluide —
Partie 7: Détermination et comptage des particules par analyse microscopique
Contents Page
Foreword.................................................................................................................................. iv
Introduction................................................................................................................................ v
1 Scope..................................................................................................................................... 1
2 Normative references........................................................................................................... 1
3 Terms and definitions.......................................................................................................... 1
4 Principles.............................................................................................................................. 2
5 Equipment............................................................................................................................ 2
5.1 Equipment for the preparation of membrane filters........................................................ 2
5.2 Analysis equipment............................................................................................................ 3
5.3 Image analysis................................................................................................................... 7
5.4 Motorized sample stage...................................................................................................... 8
5.5 Multiple image analysis....................................................................................................... 8
5.6 Environmental conditions................................................................................................... 9
5.7 Health and Safety............................................................................................................ 9
6 Calibration.......................................................................................................................... 9
7 Procedure............................................................................................................................ 10
7.1 Cleaning and preparing of equipment............................................................................. 10
7.2 Preparation of the membrane filter................................................................................ 10
7.3 Particle sizing and counting procedure............................................................................ 11
8 Results............................................................................................................................ 12
8.1 Test report....................................................................................................................... 12
8.2 Report the results.......................................................................................................... 12
Annex A (informative) Filtration...................................................................................... 13
Annex B(informative) Field scanning.............................................................................. 14
Annex C (informative) Particle counting on the margin.................................................. 15
Annex D (informative) Multiple image analysis............................................................. 18
Annex E (informative) Resolution and calibration of an image analysis system............ 19
Annex F (informative) Example of a test report............................................................. 20
Bibliography................................................................................................................ 22
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally ...
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