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

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

11-07-2001

Publisher

British Standards Institution

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

Describes two methods for determining the fibre contamination of mineral insulating oil used in electrotechnical equipment, based on filtering a sample of oil and examining and counting the number of fibres on the surface of the filter using an optical microscope.

Committee	GEL/10
DevelopmentNote	Supersedes 00/241380 DC (11/2001)
DocumentType	Standard
Pages	20
PublisherName	British Standards Institution
Status	Current
Supersedes	00/241380 DC : APR 2000

Standards	Relationship
I.S. EN 50353:2001	Identical
DIN EN 50353 : 2002	Identical
NEN EN 50353 : 2001	Identical
SN EN 50353 : 2001	Identical
EN 50353:2001	Identical
NF EN 50353 : 2003	Identical
UNE-EN 50353:2002	Identical
NBN EN 50353 : 2001	Identical

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

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BS EN 50353:2001

Current

Table of Contents

Abstract

General Product Information

International Equivalents

Standards Referencing This Book

Category

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