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EN 60970:2007/corrigendum:2008

Current

Current

The latest, up-to-date edition.

INSULATING LIQUIDS - METHODS FOR COUNTING AND SIZING PARTICLES

Published date

01-31-2008

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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.

Committee
SR 10
DocumentType
Standard
PublisherName
European Committee for Standards - Electrical
Status
Current

BS EN 60422:2013 Mineral insulating oils in electrical equipment. Supervision and maintenance guidance
S.R. CLC/TR 50503:2010 GUIDELINES FOR THE INVENTORY CONTROL, MANAGEMENT, DECONTAMINATION AND/OR DISPOSAL OF ELECTRICAL EQUIPMENT AND INSULATING LIQUIDS CONTAINING PCBS
UNE-EN 60475:2013 Method of sampling insulating liquids
EN 62701:2014 Fluids for electrotechnical applications - Recycled mineral insulating oils for transformers and switchgears
I.S. EN 60422:2013 MINERAL INSULATING OILS IN ELECTRICAL EQUIPMENT - SUPERVISION AND MAINTENANCE GUIDANCE (IEC 60422:2013 (EQV))
BS EN 60475:2011 Method of sampling insulating liquids
CEI EN 60475 : 2012 METHOD OF SAMPLING INSULATING LIQUIDS
06/30159746 DC : 0 BS EN 50503 - FLUIDS FOR ELECTROTECHNICAL APPLICATIONS - STANDARD FOR THE INVENTORY CONTROL, MANAGEMENT, DECONTAMINATION AND/OR DISPOSAL OF ELECTRICAL EQUIPMENT AND INSULATING LIQUIDS CONTAINING PCBS
BS EN 60296:2012 Fluids for electrotechnical applications. Unused mineral insulating oils for transformers and switchgear
I.S. EN 60475:2011 METHOD OF SAMPLING INSULATING LIQUIDS (IEC 60475:2011 (EQV))
CEI EN 60296 : 2013 FLUIDS FOR ELECTROTECHNICAL APPLICATIONS - UNUSED MINERAL INSULATING OILS FOR TRANSFORMERS AND SWITCHGEAR
EN 60296:2012 Fluids for electrotechnical applications - Unused mineral insulating oils for transformers and switchgear
I.S. EN 62701:2014 FLUIDS FOR ELECTROTECHNICAL APPLICATIONS - RECYCLED MINERAL INSULATING OILS FOR TRANSFORMERS AND SWITCHGEARS
UNE-EN 60296:2012 Fluids for electrotechnical applications - Unused mineral insulating oils for transformers and switchgear
UNE-EN 60422:2013 Mineral insulating oils in electrical equipment - Supervision and maintenance guidance
CLC/TR 50503:2010 Guidelines for the inventory control, management, decontamination and/or disposal of electrical equipment and insulating liquids containing PCBs
I.S. EN 60296:2012 FLUIDS FOR ELECTROTECHNICAL APPLICATIONS - UNUSED MINERAL INSULATING OILS FOR TRANSFORMERS AND SWITCHGEAR (IEC 60296:2012 (EQV))
EN 60475:2011 Method of sampling insulating liquids
EN 60422:2013 Mineral insulating oils in electrical equipment - Supervision and maintenance guidance

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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