I.S. EN 60970:2007/AC:2008
Current
The latest, up-to-date edition.
INSULATING LIQUIDS - METHODS FOR COUNTING AND SIZING PARTICLES
Hardcopy , PDF
English
01-01-2008
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FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 General caution, health, safety and environmental
protection
4 Significance
5 Comparison and limitation of the methods
6 Types and identification of particles
7 Sampling
7.1 General remarks
7.2 Sampling vessels
7.3 Cleaning of sampling bottles
7.4 General directions for sampling
7.5 Sampling procedure
7.6 Labelling of samples
7.6.1 Samples from tanks
7.6.2 Samples from electrical equipment
8 Preparation of the samples for analysis
9 Method A - Automatic particle size analyzer
9.1 Summary of method
9.2 Apparatus and auxiliary materials
9.3 Calibration procedures
9.4 Preparation of the apparatus for counting
9.5 Preparation of sample before counting
9.6 Preparation of sample for counting
9.7 Counting procedures
9.8 Report
9.9 Precision
9.10 Repeatability
9.11 Reproducibility
10 Method B - Optical microscopy
10.1 Principle
10.2 Procedure by transmitted light
10.3 Procedure by incident light
Annex A (informative) Use of syringes as sampling vessels
Annex B (informative) Calibration of the automatic particle
counters
Annex ZA (normative) Normative references to international
publications with their corresponding European
publications
Bibliography
Defines the sampling procedures and methods for the determination of particle concentration and size distribution.
| DevelopmentNote |
2008 Edition is a reissue of 2007 Edition incorporating Corrigendum. (06/2015) For CENELEC adoptions of IEC publications, please check www.iec.ch to be sure that you have any corrigenda that may apply. (01/2017)
|
| DocumentType |
Standard
|
| Pages |
46
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Current
|
| Standards | Relationship |
| IEC 60970:2007 | Identical |
| NF EN 60970 : 2007 | Identical |
| BS EN 60970:2007 | Identical |
| EN 60970:2007/corrigendum:2008 | Identical |
| ISO 5884:1987 | Aerospace Fluid systems and components Methods for system sampling and measuring the solid particle contamination of hydraulic fluids |
| EN 60422:2013 | Mineral insulating oils in electrical equipment - Supervision and maintenance guidance |
| IEC 60422:2013 | Mineral insulating oils in electrical equipment - Supervision and maintenance guidance |
| IEC 60475:2011 | Method of sampling insulating liquids |
| EN 50353:2001 | Insulating oil - Determination of fibre contamination by the counting method using a microscope |
| ISO 11171:2016 | Hydraulic fluid power Calibration of automatic particle counters for liquids |
| ISO 4402:1991 | Hydraulic fluid power — Calibration of automatic-count instruments for particles suspended in liquids — Method using classified AC Fine Test Dust contaminant |
| EN ISO 14402:1999 | Water quality - Determination of phenol index by flow analysis (FIA and CFA)(ISO 14402:1999) |
| ISO 4407:2002 | Hydraulic fluid power — Fluid contamination — Determination of particulate contamination by the counting method using an optical microscope |
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