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1、BRITISH STANDARD BS EN 55011:2007 Industrial, scientific and medical (ISM) radio-frequency equipment Electromagnetic disturbance characteristics Limits and methods of measurement The European Standard EN 55011:2007, incorporating amendment A2:2007, has the status of a British Standard ICS 33.100.10
2、? BS EN 55011:2007 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 May 2007 BSI 2007 ISBN 978 0 580 50793 9 National foreword This British Standard was published by BSI. It is the UK implementation of EN 55011:2007, incorporating amendment
3、 A2:2007. It was derived by CENELEC from CISPR 11:2003, incorporating amendments A1:2004 and A2:2006. It supersedes BS EN 55011:1998, which will be withdrawn on 1 November 2009. The start and finish of text introduced or altered by IEC amendment is indicated in the text by tags !“. Tags indicating c
4、hanges to IEC text carry the number of the IEC amendment. For example, text altered by IEC amendment 1 is indicated by !“. The CENELEC common modifications have been implemented at the appropriate places in the text and are indicated by tags (e.g. ). The UK participation in its preparation was entru
5、sted by Technical Committee GEL/210, EMC Policy committee, to Subcommittee GEL/210/11, EMC product standards. A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Us
6、ers are responsible for its correct application. Compliance with a British Standard cannot confer immunity from legal obligations. Amendments issued since publication Amd. No. DateComments EUROPEAN STANDARD EN 55011 NORME EUROPENNE EUROPISCHE NORM March 2007 CENELEC European Committee for Electrotec
7、hnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B - 1050 Brussels 2007 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. E
8、N 55011:2007 E ICS 33.100.10 Supersedes EN 55011:1998 + A1:1999 + A2:2002 English version Industrial, scientific and medical (ISM) radio-frequency equipment - Electromagnetic disturbance characteristics - Limits and methods of measurement (CISPR 11:2003 + A1:2004, modified) Appareils industriels, sc
9、ientifiques et mdicaux (ISM) frquence radiolectrique - Caractristiques de perturbations lectromagntiques - Limites et mthodes de mesure (CISPR 11:2003 + A1:2004, modifie) Industrielle, wissenschaftliche und medizinische Hochfrequenzgerte (ISM-Gerte) - Funkstrungen - Grenzwerte und Messverfahren (CIS
10、PR 11:2003 + A1:2004, modifiziert) This European Standard was approved by CENELEC on 2006-11-01. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up
11、-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CENELEC member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation
12、 under the responsibility of a CENELEC member into its own language and notified to the Central Secretariat has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Cyprus, the Czech Republic, Denmark, Estonia, Finland,
13、 France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. + A2 March 2007 EN 55011:2007 2 Foreword The text of the International Standard
14、 CISPR 11:2003 + A1:2004, prepared by CISPR SC B, Interference relating to industrial, scientific and medical radio-frequency apparatus, to other (heavy) industrial equipment, to overhead power lines, to high voltage equipment and to electric traction, together with the common modifications prepared
15、 by the Technical Committee CENELEC TC 210, Electromagnetic compatibility (EMC), was submitted to the Unique Acceptance Procedure and was approved by CENELEC as EN 55011 on 2006-11-01. This European Standard supersedes EN 55011:1998 + A1:1999 + A2:2002. The following dates were fixed: latest date by
16、 which the EN has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2007-11-01 latest date by which the national standards conflicting with the EN have to be withdrawn (dow) 2009-11-01 This European Standard has been prepared under a mandate
17、 given to CENELEC by the European Commission and the European Free Trade Association and covers essential requirements of EC Directive 89/336/EEC. See Annex ZZ. Clauses, subclauses, notes, tables and figures which are additional to those in CISPR 11 are prefixed “Z”. Annexes ZA, ZB and ZZ have been
18、added by CENELEC. Endorsement notice The text of the International Standard CISPR 11:2003 + A1:2004 was approved by CENELEC as a European Standard with agreed common modifications. The following dates were fixed: latest date by which the amendment has to be implemented at national level by publicati
19、on of an identical national standard or by endorsement (dop) 2007-11-01 latest date by which the national standards conflicting with the amendment have to be withdrawn (dow) 2009-11-01 Annex ZA has been added by CENELEC. Endorsement notice The text of amendment 2:2006 to the International Standard C
20、ISPR 11:2003 was approved by CENELEC as an amendment to the European Standard without any modification. The text of document CISPR/B/394/FDIS, future amendment 2 to CISPR 11:2003, prepared by CISPR SC B, Interference relating to industrial, scientific and medical radio-frequency apparatus, to other
21、(heavy) industrial equipment, to overhead power lines, to high voltage equipment and to electric traction, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as amendment A2 to EN 55011:2007 on 2006-11-01. Foreword to amendment A2 3 EN 55011:2007 CONTENTS 1 General6 1.1 Scope
22、 and object.6 1.2 Normative references 6 2 Definitions7 3 Frequencies designated for ISM use.8 4 Classification of ISM equipment8 4.1 Separation into groups 9 4.2 Division into classes9 5 Limits of electromagnetic disturbances .9 5.1 Limits of terminal disturbance voltage 10 5.2 Limits of electromag
23、netic radiation disturbance12 5.3 Provisions for protection of safety services 19 5.4 Provisions for protection of specific sensitive radio services.19 6 General measurement requirements .19 6.1 Ambient noise .20 6.2 Measuring equipment 20 6.3 Frequency measurement .22 6.4 Configuration of equipment
24、 under test .22 6.5 Load conditions of equipment under test24 6.6 Recording of test-site measurement results .27 7 Special provisions for test site measurements (9 kHz to 1 GHz)27 7.1 Measurement of mains terminal disturbance voltage 28 7.2 Radiation test site for 9 kHz to 1 GHz 29 7.3 Alternative r
25、adiation test sites for the frequency range 30 MHz to 1 GHz30 8 Radiation measurements: 1 GHz to 18 GHz 30 8.1 Test arrangement 30 8.2 Receiving antenna.30 8.3 Validation and calibration of test site .30 8.4 Measuring procedure.30 9 Measurement in situ .31 10 Safety precautions31 11 Assessment of co
26、nformity of equipment31 11.1 Statistical assessment of compliance of series produced equipment.31 11.2 Equipment in small-scale production32 11.3 Equipment produced on an individual basis32 11.4 Measurement uncertainty 32 Annex A (informative) Examples of equipment classification36 Annex B (informat
27、ive) Precautions to be taken in the use of a spectrum analyzer (see 6.2.1)37 Annex C (normative) Measurement of electromagnetic radiation disturbance in the presence of signals from radio transmitters .39 EN 55011:2007 4 Annex D (informative) Propagation of interference from industrial r.f. equipmen
28、t at frequencies between 30 MHz and 300 MHz.40 Annex E (informative) Safety related service bands.41 Annex F (informative) Sensitive service bands 42 Annex ZA (informative) Frequencies designated on a national basis in CENELEC countries for use as fundamental ISM frequencies 44 Annex ZB (normative)
29、Normative references to international publications with their corresponding European publications .45 Annex ZZ (informative) Coverage of Essential Requirements of EC Directives46 Bibliography .43 Figure 1 Test site.33 Figure 2 Minimum size of metal ground plane.33 Figure 3 Disposition of medical (ca
30、pacitive type) and dummy load (see 6.5.1.1) .34 Figure 4 Circuit for d sturbance voltage measurements on mains supply (see 6.2.2).34 Figure 5 Decision tree for the measurement of emissions from 1 GHz to 18 GHz of class B, group 2 ISM equipment operating at frequencies above 400 MHz.35 Figure 6 Artif
31、icial hand, RC element (see 6.2.5) .35 Table 1 Frequencies designated by ITU for use as fundamental ISM frequencies6 Table 2a Mains terminal disturbance voltage limits for class A equipment measured on a test site 11 Table 2b Mains terminal disturbance voltage limits for class B equipment measured o
32、n a test site 11 Table 2c Mains terminal disturbance voltage for induction cooking appliances12 Table 3 Electromagnetic radiation disturbance limits for group 1 equipment13 Table 4 Electromagnetic radiation disturbance limits for group 2, class B equipment measured on a test site .15 Table 5a Electr
33、omagnetic radiation disturbance limits for group 2, Class A equipment16 Table 5b Electromagnetic radiation disturbance limits for class A EDM and arc welding equipment measured on a test site 17 Table 6 Electromagnetic radiation disturbance peak limits for group 2, class A and class B ISM equipment
34、producing CW type disturbances and operating at frequencies above 400 MHz 18 Table 7 Electromagnetic radiation disturbance peak limits for group 2, class B ISM equipment producing fluctuating disturbances other than CW and operating at frequencies above 400 MHz18 Table 8 Electromagnetic radiation di
35、sturbance weighted limits for group 2, class B ISM equipment operating at frequencies above 400 MHz 18 Table 9 Limits for electromagnetic radiation disturbances to protect specific safety services in particular areas.19 Table 10 The non-central t-distribution factor k as a function of the sample siz
36、e n 32 Table ZA.1 Frequencies designated on a national basis in CENELEC countries for use as fundamental ISM frequencies.44 5 EN 55011:2007 The main content of this standard is based on CISPR Recommendation No. 39/2 given below: RECOMMENDATION No. 39/2 Limits and methods of measurement of electromag
37、netic disturbance characteristics of industrial, scientific and medical (ISM) radio-frequency equipment The CISPR CONSIDERING a) that ISM r.f. equipment is an important source of disturbance; b) that methods of measuring such disturbances have been prescribed by the CISPR; c) that certain frequencie
38、s are designated by the International Telecommunication Union (ITU) for unrestricted radiation from ISM equipment, RECOMMENDS that the latest edition of CISPR 11 be used for the application of limits and methods of measurement of ISM equipment. EN 55011:2007 6 INDUSTRIAL, SCIENTIFIC AND MEDICAL (ISM
39、) RADIO-FREQUENCY EQUIPMENT ELECTROMAGNETIC DISTURBANCE CHARACTERISTICS LIMITS AND METHODS OF MEASUREMENT 1 General 1.1 Scope and object The limits and methods of measurement laid down in this International Standard apply to industrial, scientific and medical (ISM) equipment as defined in Clause 2,
40、and to electro- discharge machining (EDM) and arc welding equipment. NOTE The limits have been determined on a probabilistic basis taking into account the likelihood of interference. In cases of interference, additional provisions may be required. Procedures are given for the measurement of radio-fr
41、equency disturbances and limits are laid down within the frequency range 9 kHz to 400 GHz. !Requirements for ISM lighting apparatus and UV irradiators operating at frequencies within the ISM frequency bands defined by the ITU Radio Regulations are contained in this standard.“ Requirements for other
42、types of lighting apparatus are covered in CISPR 15. 1.2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (includ
43、ing any amendments) applies. CISPR 15, Limits and methods of measurement of radio disturbance characteristics of electrical lighting and similar equipment CISPR 16-1:1999, Specification for radio disturbance and immunity measuring apparatus and methods Part 1: Radio disturbance and immunity measurin
44、g apparatus CISPR 16-2:1996, Specification for radio disturbance and immunity measuring apparatus and methods Part 2: Methods of measurement of disturbances and immunity #CISPR 16-4-2:2003, Specification for radio disturbance and immunity measuring apparatus and methods Part 4-2: Uncertainties, stat
45、istics and limit modelling Uncertainty in EMC measurements$ CISPR 19, Guidance on the use of the substitution method for measurements of radiation from microwave ovens for frequencies above 1 GHz IEC 60050(161), International Electrotechnical Vocabulary (IEV) Chapter 161: Electro- magnetic compatibi
46、lity IEC 60083, Plugs and sockets outlets for domestic and similar general use standardized in member countries of IEC 7 EN 55011:2007 IEC 60705:1999, Household microwave ovens Methods for measuring performance IEC 60974-10, Arc welding equipment Part 10: Electromagnetic compatibility (EMC) requirem
47、ents IEC 61689, Ultrasonics Physiotherapy systems Performance requirements and methods of measurement in the frequency range 0,5 MHz to 5 MHz 2 Definitions For the purpose of this document, the definitions of IEC 60050(161) and the following definitions apply. 2.1 ISM equipment ISM appliance equipme
48、nt or appliances designed to generate and/or use locally radio-frequency energy for industrial, scientific, medical, domestic or similar purposes, excluding applications in the field of telecommunications and information technology and other applications covered by other CISPR publications 2.2 elect
49、romagnetic radiation 1. The phenomenon by which energy in the form of electromagnetic waves emanates from a source into space. 2. Energy transferred through space in the form of electromagnetic waves. NOTE By extension, the term “electromagnetic radiation“ sometimes also covers induction phenomena. IEV 161-01-10: 1990 2.3 boundary of the equipment under test imaginar