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  • UNI EN 12405-2 : 2012

    Current The latest, up-to-date edition.

    GAS METERS - CONVERSION DEVICES - PART 2: ENERGY CONVERSION

    Available format(s): 

    Language(s): 

    Published date:  03-10-2012

    Publisher:  Ente Nazionale Italiano di Unificazione (UNI)

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

    Foreword
    Introduction
    1 Scope
    2 Normative references
    3 Terms, definitions and symbols
    4 Principles of energy determination
    5 Rated operating conditions
    6 Construction requirements
    7 Installation requirements
    8 Metrological requirements
    9 Tests of conformity
    10 Marking
    11 Installation and operating instructions
    Annex A (normative) - Type test of the energy
            calculator (EC)
    Annex B (normative) - Type test of the calorific
            value determination device (CVDD)
    Annex C (normative) - Type approval tests of
            volume conversion device (VCD)
    Annex D (normative) - Compatibility test for
            the set of VCD + CVDD + EC
    Annex E (normative) - Type approval test
            of the VCD/EC
    Annex F (normative) - Type approval test
            of the EC/CVDD
    Annex G (normative) - Type approval test
            of the VCD/EC/CVDD
    Annex H (normative) - Environmental influences
            (test procedures)
    Annex I (normative) - Testing of the data
            transmission interface of ECD
    Bibliography

    Abstract - (Show below) - (Hide below)

    This Standard to use in accordance with EN 12405-1 specifies the requirements and tests for the construction, performance, safety and conformity of conversion devices used to determine energy of fuel gases, including those of the 1st and 2nd families according to EN 437.

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

    Document Type Standard
    Publisher Ente Nazionale Italiano di Unificazione (UNI)
    Status Current

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

    EN 60654-2:1997 Operating conditions for industrial-process measurement and control equipment - Part 2: Power
    EN 60068-3-1:2011 Environmental testing - Part 3-1: Supporting documentation and guidance - Cold and dry heat tests
    EN 61000-6-1:2007 Electromagnetic compatibility (EMC) - Part 6-1: Generic standards - Immunity for residential, commercial and light-industrial environments
    EN 12405-1:2005+A2:2010 Gas meters - Conversion devices - Part 1: Volume conversion
    EN ISO 13443:2005 Natural gas - Standard reference conditions (ISO 13443:1996 including Corrigendum 1:1997)
    EN 61000-4-1:2007 Electromagnetic compatibility (EMC) - Part 4-1: Testing and measurement techniques - Overview of IEC 61000-4 series
    ISO 6976:2016 Natural gas — Calculation of calorific values, density, relative density and Wobbe indices from composition
    OIML D 11 : 2013 GENERAL REQUIREMENTS FOR MEASURING INSTRUMENTS - ENVIRONMENTAL CONDITIONS
    EN 61000-4-11:2004/A1:2017 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 4-11: TESTING AND MEASUREMENT TECHNIQUES - VOLTAGE DIPS, SHORT INTERRUPTIONS AND VOLTAGE VARIATIONS IMMUNITY TESTS (IEC 61000-4-11:2004/A1:2017)
    EN 60068-2-1:2007 Environmental testing - Part 2-1: Tests - Test A: Cold
    EN 60068-2-2:2007 Environmental testing - Part 2-2: Tests - Test B: Dry heat
    EN 60950-1:2006/A2:2013 INFORMATION TECHNOLOGY EQUIPMENT - SAFETY - PART 1: GENERAL REQUIREMENTS (IEC 60950-1:2005/A2:2013, MODIFIED)
    EN 60068-2-64:2008 ENVIRONMENTAL TESTING - PART 2-64: TESTS - TEST FH: VIBRATION, BROADBAND RANDOM AND GUIDANCE
    ISO 12213-3:2006 Natural gas Calculation of compression factor Part 3: Calculation using physical properties
    EN 61000-4-2:2009 Electromagnetic compatibility (EMC) - Part 4-2: Testing and measurement techniques - Electrostatic discharge immunity test
    EN 60068-3-8:2003 Environmental testing - Part 3-8: Supporting documentation and guidance - Selecting amongst vibration tests
    EN 61000-4-3 : 2006 AMD 2 2010 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 4-3: TESTING AND MEASUREMENT TECHNIQUES - RADIATED, RADIO-FREQUENCY, ELECTROMAGNETIC FIELD IMMUNITY TEST
    ISO/IEC Guide 99:2007 International vocabulary of metrology Basic and general concepts and associated terms (VIM)
    ISO 6143:2001 Gas analysis — Comparison methods for determining and checking the composition of calibration gas mixtures
    EN 61000-2-2:2002/A1:2017 ELECTROMAGNETIC COMPATIBILITY (EMC) - ENVIRONMENT - COMPATIBILITY LEVELS FOR LOW-FREQUENCY CONDUCTED DISTURBANCES AND SIGNALLING IN PUBLIC LOW-VOLTAGE POWER SUPPLY SYSTEMS (IEC 61000-2-2:2002/A1:2017)
    EN 437:2003+A1:2009 Test gases - Test pressures - Appliance categories
    EN 61000-6-2:2005/corrigendum:2005 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 6-2: GENERIC STANDARDS - IMMUNITY FOR INDUSTRIAL ENVIRONMENTS (IEC 61000-6-2:2005)
    EN 61000-4-8:2010 Electromagnetic compatibility (EMC) - Part 4-8: Testing and measurement techniques - Power frequency magnetic field immunity test
    ISO 13443:1996 Natural gas Standard reference conditions
    EN ISO 12213-3:2009 Natural gas - Calculation of compression factor - Part 3: Calculation using physical properties (ISO 12213-3:2006)
    ISO 6142:2001 Gas analysis Preparation of calibration gas mixtures Gravimetric method
    EN ISO 6974-1:2012/AC:2012 NATURAL GAS - DETERMINATION OF COMPOSITION AND ASSOCIATED UNCERTAINTY BY GAS CHROMATOGRAPHY - PART 1: GENERAL GUIDELINES AND CALCULATION OF COMPOSITION (ISO 6974-1:2012/COR 1:2012)
    IEC TR 61000-2-1:1990 Electromagnetic compatibility (EMC) - Part 2: Environment - Section 1: Description of the environment - Electromagnetic environment for low-frequency conducted disturbances and signalling in public power supply systems
    PREN 12405-3 : DRAFT 2013 GAS METERS - CONVERSION DEVICES - PART 3: FLOW COMPUTER
    ENV 13005 : DRAFT 1999 GUIDE TO THE EXPRESSION OF UNCERTAINTY IN MEASUREMENT
    EN 1359:2017 Gas meters - Diaphragm gas meters
    EN 60068-2-78:2013 Environmental testing - Part 2-78: Tests - Test Cab: Damp heat, steady state
    ISO 6974-1:2012 Natural gas — Determination of composition and associated uncertainty by gas chromatography — Part 1: General guidelines and calculation of composition
    ISO 12213-1:2006 Natural gas Calculation of compression factor Part 1: Introduction and guidelines
    EN 61000-4-4:2012 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 4-4: TESTING AND MEASUREMENT TECHNIQUES - ELECTRICAL FAST TRANSIENT/BURST IMMUNITY TEST (IEC 61000-4-4:2012)
    EN 60068-3-4:2002 Environmental testing - Part 3-4: Supporting documentation and guidance - Damp heat tests
    EN 61000-4-6:2014/AC:2015 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 4-6: TESTING AND MEASUREMENT TECHNIQUES - IMMUNITY TO CONDUCTED DISTURBANCES, INDUCED BY RADIO-FREQUENCY FIELDS (IEC 61000-4-6:2013)
    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)
    EN ISO 12213-2:2009 Natural gas - Calculation of compression factor - Part 2: Calculation using molar-composition analysis (ISO 12213-2:2006)
    EN ISO 12213-1:2009 Natural gas - Calculation of compression factor - Part 1: Introduction and guidelines (ISO 12213-1:2006)
    ISO 6141:2015 Gas analysis Contents of certificates for calibration gas mixtures
    ISO 12213-2:2006 Natural gas Calculation of compression factor Part 2: Calculation using molar-composition analysis
    OIML R 140 : 2007 MEASURING SYSTEMS FOR GASEOUS FUEL
    OIML D 31 : 2008 GENERAL REQUIREMENTS FOR SOFTWARE CONTROLLED MEASURING INSTRUMENTS
    EN 61000-4-29:2000 Electromagnetic compatibility (EMC) - Part 4-29: Testing and measurement techniques - Voltage dips, short interruptions and voltage variations on d.c. input power port immunity tests
    EN 60730-1:2016 Automatic electrical controls - Part 1: General requirements
    ISO/IEC Guide 98-3:2008 Uncertainty of measurement — Part 3: Guide to the expression of uncertainty in measurement (GUM:1995)
    EN 1776:2015 Gas infrastructure - Gas measuring systems - Functional requirements
    EN 60068-2-31:2008 ENVIRONMENTAL TESTING - PART 2-31: TESTS - TEST EC: ROUGH HANDLING SHOCKS, PRIMARILY FOR EQUIPMENT-TYPE SPECIMENS
    EN 60068-2-47:2005 Environmental testing - Part 2-47: Tests - Mounting of specimens for vibration, impact and similar dynamic tests
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