Impact of changes in ISO fluid power particle counting. Contamination control and filter test standards

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

30-11-2014

Publisher

British Standards Institution

Foreword
Introduction
1 Scope
2 Historical background
3 New test dusts
4 New APC calibration procedure
5 Why changes were necessary
6 Impact on particle sizes and contamination
measurements
7 Impact on filter test results
8 Conclusion
Bibliography

Defines the impact of changes in International Standards for particle counting, contamination control, and filter testing.

This Technical Report discusses the impact of changes in International Standards for particle counting, contamination control, and filter testing.

Liquid automatic particle counters (APCs) are used in monitoring contamination levels in hydraulic fluids, to establish component and assembly cleanliness level specifications, and in determining filter efficiencies and particle size ratings. As a result of the replacement of ISO4402 with ISO11171 (APC calibration), the replacement of ISO4572 with ISO16889 (multi-pass filter test), and the publication of ISO11943 (online particle counter calibration), the quality and reliability of particle count and filter test data have improved, increasing their usefulness to industry. However, the resultant redefinition of particle sizes and the use of a new test dust affect how contamination levels and filter performance are reported and interpreted.

NOTE The first editions of ISO11171, ISO16889 and ISO11943 were published in 1999; all three of these International Standards either have been, or are in the process of being, revised.

Committee	MCE/18/-/6
DevelopmentNote	Supersedes BS ISO TR 16386. (11/2014)
DocumentType	Standard
Pages	22
PublisherName	British Standards Institution
Status	Current
Supersedes	BS ISO/TR 16386:1999

Standards	Relationship
ISO/TR 16386:2014	Identical

ISO 11943:1999	Hydraulic fluid power On-line automatic particle-counting systems for liquids Methods of calibration and validation
ISO 4572:1981	Hydraulic fluid power — Filters — Multi-pass method for evaluating filtration performance
ISO 11171:2016	Hydraulic fluid power Calibration of automatic particle counters for liquids
ISO 16889:2008	Hydraulic fluid power Filters Multi-pass method for evaluating filtration performance of a filter element
ISO 12103-1:2016	Road vehicles — Test contaminants for filter evaluation — Part 1: Arizona test dust
ISO 4402:1991	Hydraulic fluid power — Calibration of automatic-count instruments for particles suspended in liquids — Method using classified AC Fine Test Dust contaminant
ISO 4407:2002	Hydraulic fluid power — Fluid contamination — Determination of particulate contamination by the counting method using an optical microscope

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PD ISO/TR 16386:2014

Current

Table of Contents

Abstract

Scope

General Product Information

International Equivalents

Standards Referencing This Book

Category

Subcategory

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