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  • OIML G 20 : 2017

    Current The latest, up-to-date edition.

    SURVEILLANCE OF UTILITY METERS IN SERVICE ON THE BASIS OF SAMPLING INSPECTIONS

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    Published date:  26-12-2017

    Publisher:  Organisation Internationale de Metrologie Legale

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

    Foreword
    1 Introduction
    2 Scope
    3 Terminology
    4 Carrying out the sampling inspection - General
    5 Criteria for the assembly and delimitation of a lot
    6 Application for sampling inspection
    7 Selection and treatment of the sample utility meters
    8 Sampling inspection
    9 Sampling plans
    10 Test results
    Annex 1 - Terminology
    Annex 2 - Sampling plans with a Limiting Quality level
              (LQ) of 8% at a consumer risk of 10%
              according to ISO 2859-2 [1]
    Annex 3 - Proposals for sampling testing of gas meters
    Annex 4 - References

    Abstract - (Show below) - (Hide below)

    Gives the method and procedure according to which the period of validity of the verification of tility meters forming part of a defined lot is extended if the correctness of the utility meters has been proved by sampling inspections prior to the expiry of the period of validity of the verification.

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

    Committee TC 3/SC 4
    Document Type Standard
    Publisher Organisation Internationale de Metrologie Legale
    Status Current

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

    OIML R 75-3 : 2006 HEAT METERS - PART 3: TEST REPORT FORMAT
    OIML R 46-1 & 2 : 2012 ACTIVE ELECTRICAL ENERGY METERS - PART 1: METROLOGICAL AND TECHNICAL REQUIREMENTS; PART 2: METROLOGICAL CONTROLS AND PERFORMANCE TESTS
    ISO 3534-4:2014 Statistics Vocabulary and symbols Part 4: Survey sampling
    ISO 2859-2:1985 Sampling procedures for inspection by attributes — Part 2: Sampling plans indexed by limiting quality (LQ) for isolated lot inspection
    OIML R 75-1 : 2002 HEAT METERS - PART 1: GENERAL REQUIREMENTS
    OIML R 46-3 : 2013 ACTIVE ELECTRICAL ENERGY METERS - PART 3: TEST REPORT FORMAT
    OIML R 137-1 & 2 : 2012 AMD 2014 GAS METERS - PART 1: METROLOGICAL AND TECHNICAL REQUIREMENTS; PART 2: METROLOGICAL CONTROLS AND PERFORMANCE TESTS
    EN 1434-1:2015 Heat meters - Part 1: General requirements
    OIML R 75-2 : 2002 HEAT METERS - PART 2: TYPE APPROVAL TESTS AND INITIAL VERIFICATION TESTS
    ISO 3534-1:2006 Statistics — Vocabulary and symbols — Part 1: General statistical terms and terms used in probability
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