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    I.S. EN 12261:2002

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    GAS METERS - TURBINE GAS METERS

    Available format(s):  Hardcopy, PDF

    Superseded date:  24-04-2018

    Language(s):  English

    Published date:  01-01-2002

    Publisher:  National Standards Authority of Ireland

    For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
    Only cited Standards give presumption of conformance to New Approach Directives/Regulations.

    Dates of withdrawal of national standards are available from NSAI.

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

    National Foreword
    European foreword
    1 Scope
    2 Normative references
    3 Terms, definitions and symbols
    4 Meter classification
    5 Metrological performance requirements
    6 Design and material requirements
    7 Meter output
    8 Marking
    9 Documentation
    Annex A (normative) - Test facility specifications
    Annex B (normative) - Perturbation testing
    Annex C (informative) - Recommendations for use
    Annex D (normative) - Individual factory testing
    Annex E (normative) - Metrological requirements
            and tests for each meter prior to dispatch
            (Individual meter testing)
    Annex ZA (informative) - Relationship between this
             European Standard and the Essential Requirements
             of EU Directive 2014/32/EU Measuring
             Instruments Directive aimed to be covered
    Bibliography

    Abstract - (Show below) - (Hide below)

    Defines the measuring conditions, requirements and tests for the construction, performance and safety of class 1,0 axial and radial turbine gas meters with mechanical indicating devices, herein after referred to as a meter(s), having in-line pipe connections for gas flow measurement.

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

    Document Type Standard
    Publisher National Standards Authority of Ireland
    Status Superseded

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

    EN 12405-1:2005+A2:2010 Gas meters - Conversion devices - Part 1: Volume conversion
    OIML D 11 : 2013 GENERAL REQUIREMENTS FOR MEASURING INSTRUMENTS - ENVIRONMENTAL CONDITIONS
    ISO 5168:2005 Measurement of fluid flow — Procedures for the evaluation of uncertainties
    EN 60079-0:2012/A11:2013 EXPLOSIVE ATMOSPHERES - PART 0: EQUIPMENT - GENERAL REQUIREMENTS (IEC 60079-0:2011, MODIFIED)
    ISO 3:1973 Preferred numbers Series of preferred numbers
    ISO 6708:1995 Pipework components Definition and selection of DN (nominal size)
    EN ISO 6708:1995 Pipework components - Definition and selection of DN (nominal size) (ISO 6708:1995)
    EN 60079-11:2012 Explosive atmospheres - Part 11: Equipment protection by intrinsic safety "i"
    IEC 60079-11:2011 Explosive atmospheres - Part 11: Equipment protection by intrinsic safety "i"
    EN 60947-5-6:2000 Low-voltage switchgear and controlgear - Part 5-6: Control circuit devices and switching elements - DC interface for proximity sensors and switching amplifiers (NAMUR)
    EN 437:2003+A1:2009 Test gases - Test pressures - Appliance categories
    EN ISO 9001:2015 Quality management systems - Requirements (ISO 9001:2015)
    IEC 60529:1989+AMD1:1999+AMD2:2013 CSV Degrees of protection provided by enclosures (IP Code)
    EN 22768-1:1993 General tolerances - Part 1: Tolerances for linear and angular dimensions without individual tolerance indications (ISO 2768-1:1989)
    EN 334:2005+A1:2009 Gas pressure regulators for inlet pressures up to 100 bar
    IEC 60079-0:2011 Explosive atmospheres - Part 0: Equipment - General requirements
    EN 1333:2006 Flanges and their joints - Pipework components - Definition and selection of PN
    EN 10204:2004 Metallic products - Types of inspection documents
    ISO 7005-1:2011 Pipe flanges — Part 1: Steel flanges for industrial and general service piping systems
    EN 60529:1991/AC:2016-12 DEGREES OF PROTECTION PROVIDED BY ENCLOSURES (IP CODE) (IEC 60529 EDITION 2.2 CORRIGENDUM 2:2015)
    EN 60068-2-30:2005 Environmental testing - Part 2-30: Tests - Test Db: Damp heat, cyclic (12 h + 12 h cycle)
    IEC 60947-5-6:1999 Low-voltage switchgear and controlgear - Part 5-6: Control circuit devices and switching elements - DC interface for proximity sensors and switching amplifiers (NAMUR)
    EN 60730-1:2016 Automatic electrical controls - Part 1: General requirements
    IEC 60730-1:2013+AMD1:2015 CSV Automatic electrical controls - Part 1: General requirements
    IEC 60068-2-30:2005 Environmental testing - Part 2-30: Tests - Test Db: Damp heat, cyclic (12 h + 12 h cycle)
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