EN 50353:2001

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Insulating oil - Determination of fibre contamination by the counting method using a microscope

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Published date: 27-09-2001

Publisher: European Committee for Standards - Electrical

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Table of Contents - (Show below) - (Hide below)

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Reagents
6 Apparatus
7 Cleaning procedure
8 Sampling
9 Filtration procedure
10 Microscope calibration
11 Fibre counting and expression of results
12 Calculation and expression of results
13 Precision
14 Test report
Figure 1 - Schematic representation of a suitable
           filtration apparatus
Annex A (normative) - Method for low fibre concentrations
  A.1 Reagents
  A.2 Apparatus
  A.3 Initial set-up and cleaning
  A.4 Sampling, and filtration of oil sample
  A.5 Blank tests
  A.6 Counting method
  A.7 Calculation and expression of results
  A.8 Precision
  A.9 Test report
Figure A.1 - Schematic representation of a suitable
             filtration apparatus for low fibre
             concentrations

Abstract - (Show below) - (Hide below)

This standard describes the method of determining fibre contamination of mineral insulating oil used in electrotechnical equipment by counting the number of fibres on the surface of a membrane filter

General Product Information - (Show below) - (Hide below)

Committee	CLC/SR 10
Document Type	Standard
ISBN
Pages
Published
Publisher	European Committee for Standards - Electrical
Status	Current

National Adoptions - (Show below) - (Hide below)

Equivalent Standard(s)	Relationship
DIN EN 50353 : 2002	Identical
SN EN 50353 : 2001	Identical
UNE-EN 50353:2002	Identical
CEI EN 50353 : 2002	Identical
NBN EN 50353 : 2001	Identical
I.S. EN 50353:2001	Identical
NEN EN 50353 : 2001	Identical
PN EN 50353 : 2002	Identical
NF EN 50353 : 2003	Identical
BS EN 50353:2001	Identical
VDE 0370-17 : 2002	Identical

Standards Referenced By This Book - (Show below) - (Hide below)

BS EN 60970:2007	Insulating liquids. Methods for counting and sizing particles
I.S. EN 50375:2002	TESTING METHODOLOGY FOR WIPERS USED IN ELECTRICAL INSULATING OIL
I.S. EN 60970:2007/AC:2008	INSULATING LIQUIDS - METHODS FOR COUNTING AND SIZING PARTICLES
BIS IS 13236 : 2013	INSULATING LIQUIDS - METHODS FOR COUNTING AND SIZING PARTICLES
BS EN 50375:2002	Testing methodology for wipers used in electrical insulating oil
CEI EN 50375 : 2003	TESTING METHODOLOGY FOR WIPERS USED IN ELECTRICAL INSULATING OIL
IEC 60970:2007	Insulating liquids - Methods for counting and sizing particles
EN 60970:2007/corrigendum:2008	INSULATING LIQUIDS - METHODS FOR COUNTING AND SIZING PARTICLES
CEI EN 60970 : 2007	INSULATING LIQUIDS - METHODS FOR COUNTING AND SIZING PARTICLES
EN 50375:2002	Testing methodology for wipers used in electrical insulating oil

Standards Referencing This Book - (Show below) - (Hide below)

ISO 5598:2008	Fluid power systems and components Vocabulary
IEC 60475:2011	Method of sampling insulating liquids

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