BS EN 50379-1-2012 Specification for portable electrical apparatus designed to measure combustion flue gas parameters of heating appliances General requirements and test methods《用于.pdf

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1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN 50379-1:2012Specification for portableelectrical apparatus designedto measure combustion fluegas parameters of heatingappliances -Part 1: General requirements and testmetho

2、dsBS EN 50379-1:2012 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 50379-1:2012.It supersedes BS EN 50379-1:2004 which is withdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee EXL/31/1, Gas detectors.A list of organizations repr

3、esented on this committee can beobtained on request to its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. The British Standards Institution 2012. Published by BSI StandardsLimited 2012ISBN 978 0 580

4、74636 9ICS 13.040.40; 91.140.10Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 30 April 2012.Amendments issued since publicationDate Text affectedBS EN 50379-1:201

5、2EUROPEAN STANDARD EN 50379-1 NORME EUROPENNE EUROPISCHE NORM April 2012 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Management Centre: Avenue Marnix 17, B - 1000 Brussels 2012 CENELE

6、C - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 50379-1:2012 E ICS 13.320 Supersedes EN 50379-1:2004English version Specification for portable electrical apparatus designed to measure combustion flue gas parameters of heating appliances

7、 - Part 1: General requirements and test methods Spcification pour les appareils lectriques portatifs conus pour mesurer les paramtres des gaz de combustion dans les conduits dvacuation des appareils de chauffage - Partie 1: Prescriptions gnrales et mthodes dessai Anforderungen an tragbare elektrisc

8、he Gerte zur Messung von Verbrennungsparametern von Heizungsanlagen - Teil 1: Allgemeine Anforderungen und Prfverfahren This European Standard was approved by CENELEC on 2012-03-19. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for givin

9、g this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CENELEC member. This European Standard exists in three o

10、fficial versions (English, French, German). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CENELEC members are the national electrot

11、echnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, S

12、witzerland, Turkey and the United Kingdom. BS EN 50379-1:2012EN 50379-1:2012 - 2 - Contents Foreword 4Introduction 51 Scope 62 Normative references . 63 Terms and definitions . 74 General requirements . 94.1 General . 94.2 Construction 94.3 Labelling and instructions 125 Test methods . 135.1 General

13、 requirements for tests 135.2 Normal conditions for tests 145.3 Mechanical tests . 165.4 Electrical and software tests 185.5 Tests with test gases . 185.6 Tests with real flue gases 205.7 Calculated values 225.8 Temperature . 235.9 Pressure . 24Annex A (informative) Standard combustion analysis proc

14、edures . 25A.1 Combustion analysis in Germany . 25A.2 Combustion analysis in the United Kingdom. 26A.3 Combustion analysis in Italy 27A.4 Combustion analysis in Switzerland . 29A.5 Combustion analysis generic . 31Annex B (normative) Real flue gas measurements Methodology and test methods . 32Annex C

15、 (normative) Standard methods for determining measuring uncertainty 35C.1 Determination of the analytic function 35C.2 Determination of reproducibility . 35Bibliography 36Figure Figure B.1 CO, NO and SO2variation with air ratio . 34Tables Table 1 Requirements for accuracy 11Table 2 Test gas mixtures

16、 for O2and/or CO2sensors . 14Table 3 Test gas mixtures for low range CO sensors 14Table 4 Test gas mixtures for medium range CO sensors . 15Table 5 Test gas mixture for high range CO sensors 15Table 6 Test gas mixtures for NO sensors . 15Table 7 Test gas mixtures for SO2sensors 15Table A.1 Legal req

17、uirements for maximum waste gas loss 25BS EN 50379-1:2012- 3 - EN 50379-1:2012 Table A.2 Parameters for calculation in Germany . 26Table A.3 Current standards for combustion efficiencies of domestic gas appliances in the United Kingdom, based on dry air-free measurements . 27Table A.4 Legal requirem

18、ents for combustion efficiency in Italy . 28Table A.5 Parameters for heat loss calculation in Italy (reference UNI 10389) . 28Table B.1 Minimum numbers of measurements 32BS EN 50379-1:2012EN 50379-1:2012 - 4 - Foreword This document (EN 50379-1:2012) has been prepared by CLC/TC 216 “Gas detectors“.

19、The following dates are fixed: latest date by which this document has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2013-03-19 latest date by which the national standards conflicting with this document have to be withdrawn (dow) 2015-03-

20、19 This document supersedes EN 50379-1:2004. EN 50379-1:2012 includes the following significant technical changes with respect to EN 50379-1:2004: 4.2.12 and 5.7.4 consider 15 min. average concentration for solid fuels; 4.3.3 for instructions was amended; 5.3.6 for flow indicators was amended; 5.5.7

21、 considers calibration curves for sensors with nonlinear signal; 5.5.8 considers influence of pressure variations; 5.5.9 considers the influence of water vapour on the gas signal; 5.7.2 for calculated values was amended; 5.9.1 was amended to cover measurement at the circular orifice. Attention is dr

22、awn to the possibility that some of the elements of this document may be the subject of patent rights. CENELEC and/or CEN shall not be held responsible for identifying any or all such patent rights. _ BS EN 50379-1:2012- 5 - EN 50379-1:2012 Introduction This European Standard covers apparatus for me

23、asuring gas concentrations and other combustion parameters, as used in the installation and maintenance of heating appliances. It forms a specification for portable electrical apparatus designed to measure combustion flue gas parameters of heating appliances, and includes the following parts under t

24、he generic title Specification for portable electrical apparatus designed to measure combustion flue gas parameters of heating appliances: Part 1: General requirements and test methods; Part 2: Performance requirements for apparatus used in statutory inspections and assessments; Part 3: Performance

25、requirements for apparatus used in non-statutory servicing of gas fired heating appliances. EN 50379-1 specifies general requirements for the construction, testing and performance of portable spot reading apparatus designed to give an assessment of specific combustion flue gas parameters, such as co

26、ncentrations of gaseous compounds, temperature and/or pressure, to check the combustion performance of heating appliances for domestic residential and commercial applications, using commercially available fuels. EN 50379-2 is for apparatus intended to be used for statutory measurement. In several Eu

27、ropean countries, legal requirements exist for the performance of heating appliances (see Annex A). Authorised inspectors use these apparatus to measure the flue gas parameters, in order to test compliance with national regulations. Due to the legal consequences resulting from the measurement, there

28、 are strict requirements regarding the measuring uncertainty of these apparatus, and EN 50379-2 therefore includes maximum values for measuring uncertainty. Tests with real flue gases form a key part of the verification of the performance of the apparatus for statutory measurement. The measuring unc

29、ertainty has to be justified by internationally accepted methods over the whole measuring range. The determination of measuring uncertainty is described in Annex C. EN 50379-3 is for apparatus intended to be used for non-statutory applications. There are reduced performance requirements, because the

30、 apparatus are designed to decide whether maintenance for a gas fired appliance is required, and for adjusting the appliance during maintenance. There will be no determination of the measuring uncertainty for the apparatus. BS EN 50379-1:2012EN 50379-1:2012 - 6 - 1 Scope This European Standard cover

31、s apparatus for measuring gas concentrations and other combustion parameters, as used in the installation and maintenance of heating appliances. Such apparatus may be used for testing the performance of appliances for different types of fuels, either by the installer, maintenance engineer or inspect

32、or. The apparatus may consist of different functional modules, which may be tested separately for complying with this standard and will be combined in different ways according to the different applications. This part of EN 50379 specifies the general requirements and is supplemented by the requireme

33、nts in EN 50379-2 and/or EN 50379-3. This European Standard specifies general requirements for the construction, testing and performance of portable spot reading apparatus designed to give an assessment of specific combustion flue gas parameters, such as concentration of gaseous compounds, temperatu

34、re and/or pressure, to check the combustion performance of heating appliances for domestic residential and commercial applications, using commercially available fuels. This European Standard excludes apparatus for continuous emission, safety monitoring and control, and use in vessels with an interna

35、tional load line. NOTE 1 When this apparatus is used in industrial premises national regulations may apply. NOTE 2 Apparatus may contain functional modules which are not covered by this standard e.g. measurement of smoke spot number (see EN 267:2009+A1:2011, Annex A) and/or measurement of indoor amb

36、ient air (see EN 50543). 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced docu

37、ment (including any amendments) applies. EN 267:2009+A1:2011, Automatic forced draught burners for liquid fuels EN 297, Gas-fired central heating boilers Type B11 and B11BS boilers, fitted with atmospheric burners of nominal heat input not exceeding 70 kW EN 676, Automatic forced draught burners for

38、 gaseous fuels EN 50270:2006, Electromagnetic compatibility Electrical apparatus for the detection and measurement of combustible gases, toxic gases or oxygen EN 50271:2010, Electrical apparatus for the detection and measurement of combustible gases, toxic gases or oxygen Requirements and tests for

39、apparatus using software and/or digital technologies EN 50379-2:2012, Specification for portable electrical apparatus designed to measure combustion flue gas parameters of heating appliances Part 2: Performance requirements for apparatus used in statutory inspections and assessment BS EN 50379-1:201

40、2- 7 - EN 50379-1:2012 EN 50379-3:2012, Specification for portable electrical apparatus designed to measure combustion flue gas parameters of heating appliances Part 3: Performance requirements for apparatus used in non-statutory servicing of gas fired heating appliances EN 50543, Electronic portabl

41、e and transportable apparatus designed to detect and measure carbon dioxide and/or carbon monoxide in indoor ambient air Requirements and test methods EN 60068-2-6, Environmental testing Part 2-6: Tests Test Fc: Vibration (sinusoidal) (IEC 60068-2-6) EN 60335-1:2002, Household and similar electrical

42、 appliances Safety Part 1: General requirements (IEC 60335-1:2001, mod.) EN 60359:2002, Electrical and electronic measurement equipment Expression of performance (IEC 60359:2001) EN 60529:1991, Degrees of protection provided by enclosures (IP Code) (IEC 60529:1989) CR 1404:1994, Determination of emi

43、ssions from appliances burning gaseous fuels during type- testing ISO/IEC Guide 98-3:2008, Uncertainty of measurement Guide to the expression of uncertainty in measurement (GUM:1995) 3 Terms and definitions For the purposes of this document, the terms and definitions given in EN 60359:2002, 2.1 and

44、the following apply. 3.1 domestic residential and commercial premises any place of residence of a household, family or person (whether temporary or permanent) and commercial premises whether residential or not and including recreational boats, caravans and mobile homes 3.2 ambient air normal atmosph

45、ere surrounding the apparatus 3.3 clean air ambient air which is essentially free of flue gas and of interfering or contaminating substances 3.4 synthetic air technically produced air consisting of oxygen and nitrogen 3.5 sensor assembly in which the sensing element is housed and which may contain a

46、ssociated circuit components 3.6 sensing element device, the output of which will change with variation of the parameter of interest BS EN 50379-1:2012EN 50379-1:2012 - 8 - 3.7 spot reading apparatus intended to be used for short periods of time in the range of minutes, as required 3.8 volume ratio

47、(V/V) ratio of the volume of a component to the volume of the gas mixture under specified conditions of temperature, pressure and relative humidity 3.9 mains powered apparatus apparatus designed to be powered by the domestic mains electrical supply with or without an additional power source 3.10 bat

48、tery powered apparatus apparatus designed to be energised from batteries alone, whether disposable or rechargeable 3.11 probe part of the apparatus that is placed in the stack or flue of the heating appliance, for the purpose of sampling the gas and/or for measuring temperature or pressure 3.12 init

49、ial start up delay time taken for the apparatus to reach the operating mode from switch-on, or after replacing batteries, or following power failure in the case of mains powered equipment 3.13 calibration process of determining the deviation of an apparatus relative to a reference 3.14 reference in laboratory tests, a reference gas will be a cer

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