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DIN EN 12405:2003-10

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

GAS METERS - GAS-VOLUME ELECTRONIC CONVERSION DEVICES

Available format(s)

Hardcopy , PDF

Superseded date

04-01-2006

Language(s)

English

Published date

01-12-2013

Foreword
1 Scope
2 Normative references
3 Terms, definitions and symbols
    3.1 Terms and definitions
    3.2 Symbols
4 Principle of measurement
    4.1 Conversion as a function of temperature
    4.2 Conversion as a function of pressure and
          temperature
    4.3 Conversion as a function of pressure, temperature
          and deviation from the ideal gas law
    4.4 Correction of the volume at measurement conditions
5 Rated operating conditions
    5.1 Specified field of measurement
          5.1.1 Specified measurement range for gas
                  pressure
          5.1.2 Specified measurement range for gas
                  temperature
          5.1.3 Gas characteristics
    5.2 Environmental class
          5.2.1 Ambient temperature range
          5.2.2 Humidity range
    5.3 Power supply
6 Construction requirements
    6.1 General
    6.2 Casings
    6.3 Indications
          6.3.1 General
          6.3.2 Electronic indicating device
    6.4 Inputs for volume conversion
    6.5 Battery powered conversion device
    6.6 Security devices and alarms
7 Installation requirements
    7.1 General
    7.2 Temperature transducer
    7.3 Pressure transducer
8 Performance
    8.1 Reference conditions
    8.2 Rated operating conditions
    8.3 Maximum permissible errors
          8.3.1 Error of conversion
          8.3.2 Specific errors for a gas-volume conversion
                  device, type 2
    8.4 Influence factors
    8.5 Disturbances
    8.6 Durability
9 Tests of conformity
    9.1 Test conditions
    9.2 Tests and their classification
    9.3 Sample of gas volume conversion device required
          for testing
    9.4 Test report
10 Marking
Annex A (normative) Type test
    A.1 General conditions
    A.2 Accuracy tests under reference conditions
    A.3 Effect of ambient temperature
    A.4 Effect of damp heat, steady state test
    A.5 Effect of damp heat, cyclic test
    A.6 Electrical power variation
    A.7 Short time power interruption
    A.8 Electrical bursts
    A.9 Electromagnetic immunity
    A.10 Electrostatic discharges
    A.11 Effect of an overload of pressure
    A.12 Mechanical resistance to overload of pressure
    A.13 Effect of vibrations
    A.14 Effect of shocks
    A.15 Durability
Annex B (informative) Model type test report
    B.1 General
    B.2 Accuracy tests under reference conditions
    B.3 Ambient temperature
    B.4 Effect of damp heat, steady state test
    B.5 Effect of damp heat, cyclic test
    B.6 Electrical power variation
    B.7 Short time power interruption
    B.8 Electrical bursts
    B.9 Electromagnetic immunity
    B.10 Electrostatic discharges
    B.11 Effect of an overload of static pressure
    B.12 Mechanical resistance to overload of pressure
    B.13 Effect of vibrations
    B.14 Effect of shocks
    B.15 Durability
Bibliography

Defines the requirements and tests for the construction, performance, safety and conformity of gas-volume electronic conversion devices associated to gas meters, used to measure volumes of fuel gases of the 1st and 2nd families according to EN 437.

DocumentType
Standard
Pages
57
PublisherName
German Institute for Standardisation (Deutsches Institut für Normung)
Status
Superseded
SupersededBy

Standards Relationship
NEN EN 12405 : 2002 Identical
I.S. EN 12405:2002 Identical
UNE-EN 12405:2004 Identical
SN EN 12405 : 2003 Identical
NS EN 12405 : 1ED 2002 Identical
BS EN 12405:2002 Identical
EN 12405 : 2002 Identical
NF EN 12405 : 2002 Identical
NBN EN 12405 : 2002 Identical

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EN 61000-4-1:2007 Electromagnetic compatibility (EMC) - Part 4-1: Testing and measurement techniques - Overview of IEC 61000-4 series
EN 50039:1980 Electrical apparatus for potentially explosive atmospheres - Intrinsically safe electrical systems 'i'
ISO 5168:2005 Measurement of fluid flow — Procedures for the evaluation of uncertainties
EN 60068-2-1:2007 Environmental testing - Part 2-1: Tests - Test A: Cold
EN 50020:2002 Electrical apparatus for potentially explosive atmospheres - Intrinsic safety 'i'
EN 60068-2-2:2007 Environmental testing - Part 2-2: Tests - Test B: Dry heat
EN 60950:2000/corrigendum:2002 SAFETY OF INFORMATION TECHNOLOGY EQUIPMENT
EN 24006:1993 Measurement of fluid flow in closed conduits - Vocabulary and symbols (ISO 4006:1991)
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
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EN 50019:2000/corrigendum Apr. 2003 ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - INCREASED SAFETY "E"
EN 50018 : 2000 AMD 1 2002 ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - FLAMEPROOF ENCLOSURE "D"
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 2768:1973 Permissible machining variations in dimensions without tolerance indication
IEC 60068-2-3:1969 Basic environmental testing procedures - Part 2-3: Tests - Test Ca: Damp heat, steady state
EN 437:2003+A1:2009 Test gases - Test pressures - Appliance categories
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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)
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EN 50015:1998 Electrical apparatus for potentially explosive atmospheres - Oil immersion "o"
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 50016:2002 Electrical apparatus for potentially explosive atmospheres - Pressurized apparatus "p"
ISO 12213-2:2006 Natural gas Calculation of compression factor Part 2: Calculation using molar-composition analysis
EN 50014:1997/A2:1999 ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - GENERAL REQUIREMENTS
EN 60730-1:2016 Automatic electrical controls - Part 1: General requirements
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

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