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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    BS EN 12405-3 - GAS METERS - CONVERSION DEVICES - PART 3: FLOW COMPUTER

    Available format(s):  Hardcopy, PDF

    Superseded date:  31-12-2015

    Language(s):  English

    Published date: 

    Publisher:  British Standards Institution

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

    Foreword
    Introduction
    1 Scope
    2 Normative references
    3 Terms, definitions and symbols
    4 Principle of measurement
    5 Rated operating conditions
    6 Construction requirements
    7 Installation requirements
    8 Performance
    9 Tests of conform
    10 Marking
    11 Installation and operating instructions
    Annex A (normative) - Type test
    Annex B (normative) - Pressure transducers
    Annex C (normative) - Temperature transducers
    Annex D (normative) - Requirements and testing of meter error
            correction
    Annex E (informative) - Range of application of meter error
            correction with functions: e (Q) or e (Re)
    Bibliography

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

    Comment Closes On
    Committee GSE/25
    Document Type Draft
    Publisher British Standards Institution
    Status Superseded
    Superseded By

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

    IEC 61000-4-8 : 2.0 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 4-8: TESTING AND MEASUREMENT TECHNIQUES - POWER FREQUENCY MAGNETIC FIELD IMMUNITY TEST
    EN 50160 : 2010 AMD 1 2015 VOLTAGE CHARACTERISTICS OF ELECTRICITY SUPPLIED BY PUBLIC ELECTRICITY NETWORKS
    EN ISO 13443 : 2005 NATURAL GAS - STANDARD REFERENCE CONDITIONS
    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
    IEC 61000-4-4 : 3.0EN+(REDLINE+VERSION) ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 4-4: TESTING AND MEASUREMENT TECHNIQUES - ELECTRICAL FAST TRANSIENT/BURST IMMUNITY TEST
    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 60079-0:2012/A11:2013 EXPLOSIVE ATMOSPHERES - PART 0: EQUIPMENT - GENERAL REQUIREMENTS (IEC 60079-0:2011, MODIFIED)
    EN 60068-2-2:2007 ENVIRONMENTAL TESTING - PART 2-2: TESTS - TEST B: DRY HEAT
    IEC 61000-4-11:2004+AMD1:2017 CSV Electromagnetic compatibility (EMC) - Part 4-11: Testing and measurement techniques - Voltage dips, short interruptions and voltage variations immunity tests
    EN 24006 : 1993 MEASUREMENT OF FLUID FLOW IN CLOSED CIRCUITS - VOCABULARY AND SYMBOLS
    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
    IEC 60068-2-31:2008 ENVIRONMENTAL TESTING - PART 2-31: TESTS - TEST EC: ROUGH HANDLING SHOCKS, PRIMARILY FOR EQUIPMENT-TYPE SPECIMENS
    IEC 61000-4-6 : 4.0 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 4-6: TESTING AND MEASUREMENT TECHNIQUES - IMMUNITY TO CONDUCTED DISTURBANCES, INDUCED BY RADIO-FREQUENCY FIELDS
    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)
    EN 60079-11:2012 EXPLOSIVE ATMOSPHERES - PART 11: EQUIPMENT PROTECTION BY INTRINSIC SAFETY "I" (IEC 60079-11:2011)
    IEC 60079-11:2011 Explosive atmospheres - Part 11: Equipment protection by intrinsic safety "i"
    ISO 7498-2:1989 Information processing systems Open Systems Interconnection Basic Reference Model Part 2: Security Architecture
    ISO 15970:2008 Natural gas Measurement of properties Volumetric properties: density, pressure, temperature and compression factor
    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 60079-25:2010/AC:2013 EXPLOSIVE ATMOSPHERES - PART 25: INTRINSICALLY SAFE ELECTRICAL SYSTEMS (IEC 60079-25:2010)
    EN 61000-4-8:2010 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 4-8: TESTING AND MEASUREMENT TECHNIQUES - POWER FREQUENCY MAGNETIC FIELD IMMUNITY TEST
    EN 55011:2016/A1:2017 INDUSTRIAL, SCIENTIFIC AND MEDICAL EQUIPMENT - RADIO-FREQUENCY DISTURBANCE CHARACTERISTICS - LIMITS AND METHODS OF MEASUREMENT (CISPR 11:2015/A1:2016)
    EN 22768-1 : 1993 GENERAL TOLERANCES - TOLERANCES FOR LINEAR AND ANGULAR DIMENSIONS WITHOUT INDIVIDUAL TOLERANCE INDICATIONS
    EN ISO 12213-3:2009 NATURAL GAS - CALCULATION OF COMPRESSION FACTOR - PART 3: CALCULATION USING PHYSICAL PROPERTIES (ISO 12213-3:2006)
    IEC 60068-2-2:2007 Environmental testing - Part 2-2: Tests - Test B: Dry heat
    IEC 61000-4-2:2008 Electromagnetic compatibility (EMC) - Part 4-2: Testing and measurement techniques - Electrostatic discharge immunity test
    IEC 61000-4-3:2006+AMD1:2007+AMD2:2010 CSV Electromagnetic compatibility (EMC) - Part 4-3: Testing and measurement techniques - Radiated, radio-frequency, electromagnetic field immunity test
    IEC 60079-25:2010 Explosive atmospheres - Part 25: Intrinsically safe electrical systems
    IEC 60079-0:2011 Explosive atmospheres - Part 0: Equipment - General requirements
    EN 60068-2-78:2013 ENVIRONMENTAL TESTING - PART 2-78: TESTS - TEST CAB: DAMP HEAT, STEADY STATE (IEC 60068-2-78:2012)
    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)
    ISO 17089-1:2010 Measurement of fluid flow in closed conduits - Ultrasonic meters for gas Part 1: Meters for custody transfer and allocation measurement
    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 6976:2016 NATURAL GAS - CALCULATION OF CALORIFIC VALUES, DENSITY, RELATIVE DENSITY AND WOBBE INDICES FROM COMPOSITION (ISO 6976:2016)
    EN ISO 12213-2:2009 NATURAL GAS - CALCULATION OF COMPRESSION FACTOR - PART 2: CALCULATION USING MOLAR-COMPOSITION ANALYSIS
    ISO 12213-2:2006 Natural gas Calculation of compression factor Part 2: Calculation using molar-composition analysis
    IEC 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 12405-2 : 2012 GAS METERS - CONVERSION DEVICES - PART 2: ENERGY CONVERSION
    ISO 4006:1991 Measurement of fluid flow in closed conduits Vocabulary and symbols
    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 (IEC 60730-1:2013, MODIFIED + COR1:2014)
    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
    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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