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NF EN 60814 : 1998

Current
Current

The latest, up-to-date edition.

ANALYSIS TECHNIQUES FOR SYSTEM RELIABILITY - PROCEDURE FOR FAILURE MODE AND EFFECTS ANALYSIS (FMEA)
Published date

01-12-2013

1 General
    1.1 Scope
    1.2 Normative references
2 Direct titration for low viscosity liquids
    2.1 Field of application
    2.2 Chemistry
    2.3 Apparatus
    2.4 Reagents and auxiliary materials
    2.5 Preparation of the apparatus
    2.6 Sampling methods
    2.7 Procedure
    2.8 Calculation of the result
    2.9 Report
    2.10 Precision
3 Evaporative stripping method for high viscosity liquids
    3.1 Field of application
    3.2 Outline of the method
    3.3 Apparatus and reagents
    3.4 Procedure
    3.5 Calculation of water content
    3.6 Report
4 Determination of water in oil-impregnated paper and
    pressboard
    4.1 Field of application
    4.2 Determination of water after previous extraction
          with methanol
    4.3 Determination by direct titration
    4.4 Evaporative stripping method
Figures
1 Block diagram of automatic titrator
2 Suitable titration vessel assembly
3 Block diagram of automatic titrator and evaporation
    stripping unit
4 Evaporator glass vessel with heater
5 Methanol container and extraction tube
Annexes
A Method for sampling of oil-impregnated paper and
    pressboard
ZA (normative) Normative references to international
    publications with their corresponding European
    publications

Covers procedures for determining water content of insulating liquids and in oil-impregnated cellulosic insulation with coulometrically generated Karl Fischer reagent.

DevelopmentNote
SUPERSEDES NFC 27-228
DocumentType
Standard
PublisherName
Association Francaise de Normalisation
Status
Current
Supersedes

Standards Relationship
NBN EN 60814 : 1998 Identical
I.S. EN 60814:1998 Identical
SN EN 60814 : 1997 Identical
UNE-EN 60814:1999 Identical
IEC 60814:1997 Identical
DIN EN 60814 : 1999 Identical
EN 60814:1997 Identical
BS EN 60814:1998 Identical

NF EN 50375 : 2002 TESTING METHODOLOGY FOR WIPERS USED IN ELECTRICAL INSULATING OIL
NF EN 60450 : 2004 AMD 1 2007 MEASUREMENT OF THE AVERAGE VISCOMETRIC DEGREE OF POLYMERIZATION OF NEW AND AGED CELLULOSIC ELECTRICALLY INSULATING MATERIALS

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