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  • DIN EN 60514 : 1995

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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    ACCEPTANCE INSPECTION OF CLASS 2 ALTERNATING-CURRENT WATT-HOUR METERS

    Available format(s): 

    Superseded date:  01-04-2011

    Language(s): 

    Published date:  12-01-2013

    Publisher:  German Institute for Standardisation (Deutsches Institut für Normung)

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

    Committees responsible
    National foreword
    Foreword
    1. Scope
    2. General remarks
    3. Units
    4. Definitions
    5. Acceptance conditions for batches
    6. Place of inspection
    7. Test conditions
    7.1 Reference conditions
    7.2 Uncertainty of measurement
    7.3 Cover and seal
    8. Inspection and test procedure
    8.1 Preliminary tests and pre-conditioning
    8.2 Test No.1: dielectric properties
    8.3 Test No.2: running with no-load
    8.4 Test No.3: starting
    8.5 Test Nos.4 to 9: accuracy
    8.6 Test No.10: verification of meter constant
    8.7 Test No.11: mechanical inspection
    9. Requirements corresponding to different inspection
         procedures
    9.1 100% inspection
    9.2 Sampling inspection
    Tables
    I. Reference conditions
    II. Test points and limits of errors
    III. Acceptance number c
    IV. Random numbers
    V. Sampling plans
    VI. Double sampling plan
    VII. Specified values for the standard deviation method
    VIII. Specified values for the average range method
    IXa. Operating characteristic curves NIXb. Operating characteristic curves 101IXc. Operating characteristic curves 501X. Inspection sheet
    XIa. Acceptance trapezium, T = 3.5%
    XIb. Acceptance trapezium, T = 3.0%
    XIc. Acceptance trapezium, T = 2.5%
    Appendix A - Explanatory notes concerning sampling
          procedures for Class 2 watthour meters
    Appendix B - Symbols

    Abstract - (Show below) - (Hide below)

    Deals with methods and procedures that apply to newly manufactured direct connected induction type watthour meters of Class 2. Proposes with two methods of acceptance inspection: sampling inspection and 100% inspection. Describes two methods of sampling inspection: inspection by variables and inspection by attributes.

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

    Development Note Supersedes DIN 57418-6. (10/2004)
    Document Type Standard
    Publisher German Institute for Standardisation (Deutsches Institut für Normung)
    Status Superseded
    Superseded By
    Supersedes

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

    VDE 0418-20 : 1996 ELECTRIC INTEGRATING METERS - ALTERNATING CURRENT STATIC VARHOUR METERS FOR REACTIVE ENERGY (CLASSES 2 AND 3)
    DIN EN 61358 : 1996 ACCEPTANCE INSPECTION FOR DIRECT CONNECTED ALTERNATING CURRENT STATIC WATT-HOUR METERS FOR ACTIVE ENERGY (CLASSES 1 AND 2)
    VDE 0418-12 : 1995 CLASSES 0,5, 1 AND 2 ALTERNATING CURRENT WATT HOUR METERS
    DIN EN 61268 : 1996 ALTERNATING CURRENT STATIC VAR-HOUR METERS FOR REACTIVE ENERGY (CLASSES 2 AND 3)
    DIN EN 60521 : 1995 CLASSES 0,5, 1 AND 2 ALTERNATING-CURRENT WATTHOUR METERS
    VDE 0418-60 : 1996 ACCEPTANCE INSPECTION FOR DIRECT CONNECTED ALTERNATING CURRENT STATIC WATT-HOUR METERS FOR ACTIVE ENERGY (CLASSES 1 AND 2)
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