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I E C TS 62 370 ® Edition 1 201 7-03 CON SOLI D ATED VE R SI ON colour i n si de E l ectro acou sti cs – I n stru m en ts for th e m easu rem en t o f so u n d i n ten si ty – E l ectro m ag n eti c an d el ectro stati c com pati bi l i ty req u i rem en ts an d test IEC TS 62370:2004-05+AMD1 :201 7-03 CSV(en) proced u res TH I S P U B L I C AT I O N I S C O P Y R I G H T P R O T E C T E D C o p yri g h t © I E C , G e n e v a , Sw i t z e rl a n d All rights reserved Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either IEC or IEC's member National Committee in the country of the requester If you have any questions about IEC copyright or have an enquiry about obtaining additional rights to this publication, please contact the address below or your local IEC member National Committee for further information IEC Central Office 3, rue de Varembé CH-1 21 Geneva 20 Switzerland Tel.: +41 22 91 02 1 Fax: +41 22 91 03 00 info@iec.ch www.iec.ch Ab o u t th e I E C The International Electrotechnical Commission (I EC) is the leading global organization that prepares and publishes International Standards for all electrical, electronic and related technologies Ab o u t I E C p u b l i ca t i o n s The technical content of IEC publications is kept under constant review by the IEC Please make sure that you have the latest edition, a corrigenda or an amendment might have been published I E C Catal o g u e - websto re i ec ch /catal o g u e The stand-alone application for consulting the entire bibliographical information on IEC International Standards, Technical Specifications, Technical Reports and other documents Available for PC, Mac OS, Android Tablets and iPad I E C pu bl i cati on s search - www i ec ch /search pu b The advanced search enables to find IEC publications by a variety of criteria (reference number, text, technical committee,…) It also gives information on projects, replaced and withdrawn publications E l ectroped i a - www el ectro ped i a o rg The world's leading online dictionary of electronic and electrical terms containing 20 000 terms and definitions in English and French, with equivalent terms in additional languages Also known as the International Electrotechnical Vocabulary (IEV) online I E C G l o ssary - std i ec ch /g l o ssary 65 000 electrotechnical terminology entries in English and French extracted from the Terms and Definitions clause of IEC publications issued since 2002 Some entries have been collected from earlier publications of IEC TC 37, 77, 86 and CISPR I E C J u st Pu bl i sh ed - websto re i ec ch /j u stpu bl i sh ed Stay up to date on all new IEC publications Just Published details all new publications released Available online and also once a month by email I E C Cu stom er Servi ce Cen tre - websto re i ec ch /csc If you wish to give us your feedback on this publication or need further assistance, please contact the Customer Service Centre: csc@iec.ch I E C TS 62 370 ® Edition 1 201 7-03 CON SOLI D ATED VE R SI ON colour i n si de E l ectro aco u sti cs – I n stru m en ts for th e m easu rem en t o f sou n d i n ten si ty – E l ectro m ag n eti c an d el ectro stati c com pati bi l i ty req u i rem en ts an d test proced u res INTERNATIONAL ELECTROTECHNICAL COMMISSION ICS 7.1 40.50; 33.1 00.1 0; 33.1 00.20 ISBN 978-2-8322-4087-8 Warn i n g ! M ake su re th a t yo u o btai n ed th i s pu bl i c ati o n fro m an au th ori zed d i stri bu to r ® Registered trademark of the International Electrotechnical Commission I E C TS 62 370 ® Edition 1 201 7-03 R E DLI N E VE R SI ON colour i n si de E l ectro acou sti cs – I n stru m en ts for th e m easu rem en t o f so u n d i n ten si ty – E l ectro m ag n eti c an d el ectro stati c com pati bi l i ty req u i rem en ts an d test IEC TS 62370:2004-05+AMD1 :201 7-03 CSV(en) proced u res –2– CONTENTS I EC TS 62370:2004+AM D1 :201 CSV  I EC 201 FOREWORD Scope Norm ati ve references Term s and defi n i ti ons Electrom ag netic an d el ectrostatic com pati bi l ity requ irem en ts General Em ission l im its Electrostatic disch arg es 4 I m m uni ty to power- an d radi o-frequency fields an d ducted disturbances Test procedures General Em ission m easurem ents Tests for el ectrostatic discharg e Tests for im m uni ty to power- an d radio-frequ ency fi el ds an d ducted disturbances I nform ation to be i ncl uded i n th e i nstruction m anu al 1 Ann ex A (inform ati ve) Radi o-frequency em ission lim its Bibli ograph y Table A – Lim its for radi ated disturbance of Class B inform ation tech n olog y equ ipm ent (I TE) at a m easuri n g distance of m Table A – Lim its for condu cted disturbance at th e m ns ports of Class B I TE IEC © TS IEC : 0 + AM D : CSV – – 201 I N T E R N AT I O N AL E L E C T R O T E C H N I C AL COM M I SSI ON ELECTROACOUSTICS – INSTRUMENTS FOR THE MEASUREMENT OF SOUND INTENSITY – ELECTROMAGNETIC AND ELECTROSTATIC COMPATIBILITY REQUIREMENTS AND TEST PROCEDURES F O RE W O RD ) Th e I n t e rn a t i o n a l al l n a ti o n a l i n t e rn a t i o n a l th i s en d c o - o p e t i o n and Te ch n i ca l in a d d i ti o n R e p o rt s , P u bl i ca ti o n (s )” ) in th e s u bj ect g o v e rn m e n t a l wi th 2) th e d eal t b e t we e n Th e d e ci s i o n s i n t e re s t e d IEC in P u bl i ca ti o n s is o rd e r to b e t we e n th e 5) an y i ts e l f s e rv i c e s Al l No I EC s t a n d a rd i z a t i o n pu bl i sh es S p e c i fi c a t i o n s p a rt i c i p a t e wi th in th e fo r to th i s an d (I S O) in in fo r s t a n d a rd i z a t i o n ob j e ct of e l e c t ri c a l S t a n d a rd s , any w o rk p a rt i c i p a t e S t a n d a rd i z a t i o n th e G u i d es co m m i tte e s ; p r e p a t o r y al so in Th e I n te rn a ti o n a l (P AS ) te ch n i c a l IEC o rg a n i z a t i o n C o m m i tte e s ) an d wi t h fi e l d s To S p e c i fi c a t i o n s , to C o m m i tte e IEC p ro m o t e e l e c t ro n i c g o v e rn m e n t a l p r e p a t i o n a c co rd a n c e c o m p ri s i n g to r e fe r re d N a ti on a l I n t e rn a t i o n a l , th i s is Te c h n i ca l ( h e re a ft e r I EC I EC as an d c o l l a b o t e s co n d i ti o n s “I E C i n t e re s t e d non- cl o s e l y d e t e rm i n e d by of I EC re l e v a n t on te ch n i ca l s u b j e cts s i n ce m a t t e rs e ach e x p re s s , te ch n i ca l as n e a rl y as co m m i tte e possi bl e, has an i n t e rn a ti o n a l re p r e s e n t a t i o n fr o m al l C o m m i tte e s th e an y fo r m of While I EC en d re c o m m e n d a t i o n s al l re a s o n a b l e ca n n o t be held fo r e ffo rt s i n t e rn a t i o n a l a re m ad e re s p o n s i b l e fo r to th e u se an d e n s u re wa y a re th a t in a cce p te d th e wh i c h by te ch n i ca l th e y a re IEC N a ti o n a l co n te n t used or of IEC fo r any u s e r i n t e rn a t i o n a l th e IEC d oes assessm en t 6) to wo rl d wi d e m a xi m u m P u b l i ca ti o n u n i fo rm i t y , e xt e n t and th e IEC possi bl e N a ti on a l in th e i r c o rr e s p o n d i n g C o m m i tt e e s n a ti o n a l n a ti o n a l an d u n d e rt a k e re g i o n a l o r re g i o n a l to appl y I EC p u b l i ca ti o n s p u b l i ca ti o n shal l be P u bl i ca ti on s An y d i v e rg e n c e c l e a rl y i n d i ca te d in l a t t e r IEC 7) by a o rg a n i z a t i o n s th e sen se p ro m o t e t n s p a r e n t l y on is N a ti on a l c o n c e rn i n g e n t ru s t e d l i aising t wo a c c u t e , m i s i n t e rp re t a t i o n In m ay is o r a g re e m e n t s h a ve th a t Ava i l a b l e (I EC) (I EC a cti vi ti e s , O rg a n i z a t i o n th e N a ti o n a l P u b l i ca ti o n s C o m m i tt e e s 4) wi t h opi n i on I EC q u e s ti on s oth er o rg a n i z a t i o n s of all p re p a t i o n I n t e rn a t i o n a l fo rm a l on to Com m i ssi on com m i tte e s P u bl i cl y Th e i r a g re e m e n t s e n s u s 3) E l e c t ro t e c h n i c a l e l e c t ro t e c h n i c a l c a rri e d u s e rs m e m b e rs shal l of i ts d am ag e e xp e n s e s p ro v i d e out sh ou l d l i a bi l i ty oth e r n ot s e rv i c e s an d , an y in a tte s ta ti o n som e a re a s , by i nd epend en t e n s u re a tta c h th a t to te ch n i ca l of an y a ri s i n g out th e y I EC or c o n fo rm i t y c e rt i fi c a t i o n h a ve i ts co m m i tte e s th e l a te s t d i re c t o rs , and I EC n a t u re w h a t s o e v e r, of p u b l i ca ti on , th e of a cce s s to IEC of c e rt i fi c a t i o n c o n fo rm i t y IEC bod i es is p ro v i d e n ot c o n fo rm i t y re s p o n s i b l e fo r an y e x p e rt s an d b od i es e d i ti o n o f th i s e m p l o ye e s , N a ti o n a l wh e th e r use I n d epen d en t m a rk s o f, C o m m i tte e s d i re c t or p u b l i ca ti o n s e rva n t s or or fo r a g e n ts an y i n d i re c t , re l i a n c e u pon , or i n cl u d i n g p e rs o n a l fo r th i s co s ts IEC i n d i vi d u a l i n j u ry , p ro p e rt y (i n cl u d i n g P u b l i ca ti o n dam ag e or l eg al fe e s ) and an y oth e r IEC or P u bl i ca ti o n s 8) At t e n t i o n is d w n i n d i spen sabl e 9) At te n ti o n p a te n t is to fo r t h e d r a wn ri g h t s IEC to th e N o rm a t i ve c o rr e c t th e shal l possi bi l i ty n ot re fe r e n c e s a p p l i ca ti o n be h el d of th i s th a t som e re s p o n s i b l e ci te d in th i s p u b l i ca ti on U se of th e re fe re n c e d p u bl i ca ti on s is p u b l i c a ti o n of th e e l e m e n ts fo r i d e n t i fy i n g of an y th i s or al l I EC s u ch P u b l i ca ti o n paten t m ay be th e s u b j e ct of ri g h t s DISCLAIM ER This Consolidated version is not an official IEC Standard and has been prepared for user convenience Only the current versions of the standard and its amendment(s) are to be considered the official documents This Consolidated version of IEC TS 62370 bears the edition number 1 It consists of the first edition (2004-05) [documents 29/540/DTS and 29/544A/RVC] and its amendment (201 7-03) [documents 29/91 6/DTS and 29/939/RVDTS] The technical content is identical to the base edition and its amendment In this Redline version, a vertical line in the margin shows where the technical content is modified by amendment Additions are in green text, deletions are in strikethrough red text A separate Final version with all changes accepted is available in this publication –4– I EC TS 62370:2004+AM D1 :201 CSV  I EC 201 The m ain task of I EC techn ical com m ittees is to prepare I n tern ati onal Stan dards I n excepti onal circum stances, a tech n ical com m ittee m ay propose the pu bl icati on of a techn ical specification wh en • • th e requ ired support can not be obtain ed for the pu bl ication of an I n tern ati onal Stan dard, despite repeated efforts, or th e subj ect is stil l un der tech n ical developm en t or wh ere, for an y oth er reason , th ere is th e future but no im m edi ate possi bi li ty of an agreem ent on an I ntern ation al Standard Techn ical specifications are su bj ect to revi ew wi thi n three years of publicati on to decide wh eth er th ey can be tran sform ed in to I n tern ati onal Stan dards I EC 62370, wh ich is a techn ical specificati on, h as been prepared by I EC tech n ical com m ittee 29: El ectroacoustics This publicati on has been drafted i n accordance wi th th e I SO/I EC Directi ves, Part The com m ittee h as deci ded th at th e tents of th e base pu bl icati on and its am endm ent wil l rem ain unch an g ed u nti l th e stabil i ty date i ndicated on the I EC web si te u nder "http://webstore iec ch " i n th e data rel ated to the specific pu blication At this date, th e pu blication wil l be • • • • reconfirm ed, wi thdrawn , repl aced by a revised edi ti on, or am ended A bi l in g ual versi on of th is pu bl icati on m ay be issu ed at a later date I M P O R T AN T th at it – Th e co n tai n s u n d erst an d i n g co l o u r p ri n t er of ' co l ou r c ol o u rs i ts i n si d e' wh i ch c on ten ts l og o a re U s ers on th e cover co n s i d e re d sh ou l d p ag e to th e refo re of th i s be p ri n t p u b l i cati on u s efu l th i s fo r i n d i cates th e d ocu m en t co rre ct u si n g a I EC TS 62370: 2004+AM D1 :201 CSV  I EC 201 –5– E L E C T R O AC O U S T I C S – I N S T R U M E N TS F O R TH E M E AS U R E M E N T O F S O U N D I N T E N S I T Y – E L E C T R O M AG N E T I C AN D E L E C TR O S T AT I C C O M P AT I B I L I TY R E Q U I R E M E N T S AN D T E S T P R O C E D U R E S Scope Th is Techn ical Specificati on specifi es requ irem ents for instrum ents that m easure sou nd i ntensi ty usin g pai rs of pressure sensin g m icroph ones wi th respect to th eir i m m unity to poweran d radio-frequ ency fields and to el ectrostatic di scharg e, an d th e perm itted radio-frequ ency em issi ons, togeth er wi th test procedures to verify conform ance Soun d i ntensi ty m easu rin g i nstrum ents are avai l abl e i n m an y different confi g u rati ons an d m ay be powered by batteri es or from extern al power suppl y system s The tech nical requ irem en ts in th is Tech n ical Specificati on appl y to all config urati ons of in strum en ts for th e m easurem ent of sou n d i ntensi ty 1 Th e el ectrom ag n etic an d el ectrostatic com pati bili ty requ irem en ts are equ al l y appl icabl e for soun d i ntensity m easu rin g i nstrum en ts used in resi denti al , com m erci al and li gh t-industri al en vironm ents, or i ndustri al si tes The requ irem ents of this Tech nical Specificati on are additi onal to th ose tai ned i n I EC 61 043 an d not alter an y of the specifications tai n ed th erein The requ irem en ts n ot appl y retrospecti vel y to sou n d i ntensi ty m easuring i nstrum ents com pl yi n g wi th I EC 61 043 prior to the pu blication of th is Tech n i cal Specification N OTE Com pl i ance wi th th i s Tech ni cal Speci fi cati on does not i nsure that th e sou nd i nten si ty m easuri n g system i s i m m un e to i n terference from al l el ectrom ag n eti c sou rces N OTE These req ui rem ents are the fi rst attem pt at defi ni n g el ectrom ag n eti c an d el ectrostati c com pati bi l i ty req ui rem ents for sou nd i n tensi ty m easu ri ng system s Requi rem en ts can be chang ed l ater wh en wi d er experi ence has been g n ed i f fou n d n ecessary N o r m a t i ve r e f e r e n c e s The foll owi ng referenced docum ents are i n dispen sabl e for th e appl ication of th is docum ent For dated references, on l y the edi ti on ci ted appli es For u n dated references, th e latest edition of th e referenced docu m en t (inclu ding an y am endm ents) appl ies Electromagnetic compatibility (EMC) – Part 4: Testing and measurement techniques – Section 2: Electrostatic discharge immunity test I EC 61 000-4-2, I EC 61 000-4-3:2002, Electromagnetic compatibility (EMC) – Part 4-3: Testing and measurement techniques – Radiated, radio-frequency, electromagnetic field immunity test Am en dm ent (2002) Electromagnetic compatibility (EMC) – Part 4-20: Testing and measurement techniques – Emission and immunity testing in transverse electromagnetic (TEM) waveguides I EC 61 000-4-20:201 0, Electromagnetic compatibility (EMC) – Part 6: Generic standards – Section 1: Immunity for residential, commercial and light-industrial environments I EC 61 000-6-1 :1 997, Electromagnetic compatibility (EMC) – Part 6-2: Generic standards – Immunity for industrial environments I EC 61 000-6-2: 999, Electromagnetic compatibility (EMC) – Part 6: Generic standards – Section 3: Emission standard for residential, commercial and light-industrial environments CI SPR/I EC 61 000-6-3: 996, –6– I EC TS 62370:2004+AM D1 :201 CSV  I EC 201 I EC 61 043, Electroacoustics – Instruments for the measurement of sound intensity – Measurement with pairs of pressure sensing microphones CI SPR 22:2003, Information technology equipment – Radio disturbance characteristics – Limits and methods of measurement Terms and definitions For th e pu rpose of this docum en t, th e fol lowi n g defi n itions appl y i n additi on to th ose specifi ed i n I EC 61 000-4-2, I EC 61 000-4-3, I EC 61 000-6-1 , I EC 61 000-6-2 an d CI SPR 61 000-6-3 3.1 referen ce orientation (of a sound intensity measu ring system) orientati on of a sou nd i n tensity m easurin g system with respect to the princi pal direction of an em itter or recei ver of radio frequency fi elds 3.2 grou p X sound inten sity measu ring system self-con tai n ed instrum ent wh ich incl u des soun d i ntensi ty m easuri n g faci l iti es accordi ng to th is Techn ical Specification an d wh ich specifi es i nternal battery power for the n orm al m ode of operati on, requi ri n g n o extern al n ecti ons to other apparatus to operate th e i nstru m en t 3.3 grou p Y sound inten sity measu ring system self contain ed instrum ent wh ich inclu des sou n d in tensi ty m easurin g faci l iti es accordi n g to th is Techn ical Specification an d wh ich specifi es nection to a pu bl ic power su ppl y system for th e norm al m ode of operati on , requ iring n o extern al nections to oth er apparatus to operate th e instrum en t 3.4 grou p Z sound intensity measu ring system i nstrum ent th at incl u des sou nd intensi ty m easu ri ng faci l ities accordin g to th is Tech nical Specification requirin g two or m ore item s of equ ipm en t to be n ected tog eth er by som e m eans for th e n orm al m ode of operation , with operati on either from batteri es or from a pu blic power su ppl y Electromagnetic and electrostatic compatibility requirements 4.1 Gen eral 4.1 Th is cl ause specifi es requirem en ts for sou nd intensi ty m easurin g system s with respect to th eir im m unity to power- an d radi o-frequ ency electrom ag n etic fi elds an d to electrostatic disch arge, an d th e perm itted radi o-frequency em issi ons, tog ether with Cl ause wh ich specifies test procedures to dem onstrate conform ance to th e specification s of th is Tech nical Specificati on Sou nd i ntensi ty m easuring system s are avail abl e i n m an y differen t config urati ons an d m ay be powered by batteries or from external power su ppl y system s For conform ance with th ese requ irem en ts, a probe an d a processin g system sh al l be tested tog ether, and the system this com prises sh al l be specifi ed wi th al l necessary cables an d accessori es The techn ical requ irem ents in th is cl ause are for three sou nd i ntensi ty m easu ri ng system confi gu rations: first, G rou p X, for self-con tain ed instrum ents that are desi g ned prim ari l y for battery operati on; second, G rou p Y, for self-contained i nstrum en ts th at incorporate soun d i ntensity m easurin g facil i ties accordi n g to th is Tech n ical Specification an d th at are operated from pu bl ic power su ppl y system s; th ird, Grou p Z, for sou nd in tensity m easurin g system s that are form ed by interconn ecti on of two or m ore item s of equ ipm en t (for th e purposes of EMC testi ng , th e probe is n ot a separate item of equ ipm en t) –2– CONTENTS I EC TS 62370:2004+AM D1 :201 CSV  I EC 201 FOREWORD Scope Norm ati ve references Term s and defi n i ti ons Electrom ag netic an d el ectrostatic com pati bi l ity requ irem en ts General Em ission l im its Electrostatic disch arg es 4 I m m uni ty to power- an d radi o-frequency fields an d ducted disturbances Test procedures General Em ission m easurem ents Tests for el ectrostatic discharg e Tests for im m uni ty to power- an d radio-frequ ency fi el ds an d ducted disturbances I nform ation to be i ncl uded i n th e i nstruction m anu al 1 Ann ex A (inform ati ve) Radi o-frequency em ission lim its Bibli ograph y Table A – Lim its for radi ated disturbance of Class B inform ation tech n olog y equ ipm ent (I TE) at a m easurin g distance of m Table A – Lim its for condu cted disturbance at th e m ns ports of Class B I TE IEC © TS IEC : 0 + AM D : CSV – – 201 I N T E R N AT I O N AL E L E C T R O T E C H N I C AL COM M I SSI ON ELECTROACOUSTICS – INSTRUMENTS FOR THE MEASUREMENT OF SOUND INTENSITY – ELECTROMAGNETIC AND ELECTROSTATIC COMPATIBILITY REQUIREMENTS AND TEST PROCEDURES F O RE W O RD ) Th e I n t e rn a t i o n a l al l n a ti o n a l i n t e rn a t i o n a l th i s en d c o - o p e t i o n and Te ch n i ca l in a d d i ti o n R e p o rt s , P u bl i ca ti o n (s )” ) in th e s u bj ect g o v e rn m e n t a l wi th 2) th e d eal t b e t we e n Th e d e ci s i o n s i n t e re s t e d IEC in P u bl i ca ti o n s is o rd e r to b e t we e n th e 5) an y i ts e l f s e rv i c e s Al l No I EC s t a n d a rd i z a t i o n pu bl i sh es S p e c i fi c a t i o n s p a rt i c i p a t e wi th in th e fo r to th i s an d (I S O) in in fo r s t a n d a rd i z a t i o n ob j e ct of e l e c t ri c a l S t a n d a rd s , any w o rk p a rt i c i p a t e S t a n d a rd i z a t i o n th e G u i d es co m m i tte e s ; p r e p a t o r y al so in Th e I n te rn a ti o n a l (P AS ) te ch n i c a l IEC o rg a n i z a t i o n C o m m i tte e s ) an d wi t h fi e l d s To S p e c i fi c a t i o n s , to C o m m i tte e IEC p ro m o t e e l e c t ro n i c g o v e rn m e n t a l p r e p a t i o n a c co rd a n c e c o m p ri s i n g to r e fe r re d N a ti on a l I n t e rn a t i o n a l , th i s is Te c h n i ca l ( h e re a ft e r I EC I EC as an d c o l l a b o t e s co n d i ti o n s “I E C i n t e re s t e d non- cl o s e l y d e t e rm i n e d by of I EC re l e v a n t on te ch n i ca l s u b j e cts s i n ce m a t t e rs e ach e x p re s s , te ch n i ca l as n e a rl y as co m m i tte e possi bl e, has an i n t e rn a ti o n a l re p r e s e n t a t i o n fr o m al l C o m m i tte e s th e an y fo r m of While I EC en d re c o m m e n d a t i o n s al l re a s o n a b l e ca n n o t be held fo r e ffo rt s i n t e rn a t i o n a l a re m ad e re s p o n s i b l e fo r to th e u se an d e n s u re wa y a re th a t in a cce p te d th e wh i c h by te ch n i ca l th e y a re IEC N a ti o n a l co n te n t used or of IEC fo r any u s e r i n t e rn a t i o n a l th e IEC d oes assessm en t 6) to wo rl d wi d e m a xi m u m P u b l i ca ti o n u n i fo rm i t y , e xt e n t and th e IEC possi bl e N a ti on a l in th e i r c o rr e s p o n d i n g C o m m i tt e e s n a ti o n a l n a ti o n a l an d u n d e rt a k e re g i o n a l o r re g i o n a l to appl y I EC p u b l i ca ti o n s p u b l i ca ti o n shal l be P u bl i ca ti on s An y d i v e rg e n c e c l e a rl y i n d i ca te d in l a t t e r IEC 7) by a o rg a n i z a t i o n s th e sen se p ro m o t e t n s p a r e n t l y on is N a ti on a l c o n c e rn i n g e n t ru s t e d l i aising t wo a c c u t e , m i s i n t e rp re t a t i o n In m ay is o r a g re e m e n t s h a ve th a t Ava i l a b l e (I EC) (I EC a cti vi ti e s , O rg a n i z a t i o n th e N a ti o n a l P u b l i ca ti o n s C o m m i tt e e s 4) wi t h opi n i on I EC q u e s ti on s oth er o rg a n i z a t i o n s of all p re p a t i o n I n t e rn a t i o n a l fo rm a l on to Com m i ssi on com m i tte e s P u bl i cl y Th e i r a g re e m e n t s e n s u s 3) E l e c t ro t e c h n i c a l e l e c t ro t e c h n i c a l c a rri e d u s e rs m e m b e rs shal l of i ts d am ag e e xp e n s e s p ro v i d e out sh ou l d l i a bi l i ty oth e r n ot s e rv i c e s an d , an y in a tte s ta ti o n som e a re a s , by i nd epend en t e n s u re a tta c h th a t to te ch n i ca l of an y a ri s i n g out th e y I EC or c o n fo rm i t y c e rt i fi c a t i o n h a ve i ts co m m i tte e s th e l a te s t d i re c t o rs , and I EC n a t u re w h a t s o e v e r, of p u b l i ca ti on , th e of a cce s s to IEC of c e rt i fi c a t i o n c o n fo rm i t y IEC bod i es is p ro v i d e n ot c o n fo rm i t y re s p o n s i b l e fo r an y e x p e rt s an d b od i es e d i ti o n o f th i s e m p l o ye e s , N a ti o n a l wh e th e r use I n d epen d en t m a rk s o f, C o m m i tte e s d i re c t or p u b l i ca ti o n s e rva n t s or or fo r a g e n ts an y i n d i re c t , re l i a n c e u pon , or i n cl u d i n g p e rs o n a l fo r th i s co s ts IEC i n d i vi d u a l i n j u ry , p ro p e rt y (i n cl u d i n g P u b l i ca ti o n dam ag e or l eg al fe e s ) and an y oth e r IEC or P u bl i ca ti o n s 8) At t e n t i o n is d w n i n d i spen sabl e 9) At te n ti o n p a te n t is to fo r t h e d r a wn ri g h t s IEC to th e N o rm a t i ve c o rr e c t th e shal l possi bi l i ty n ot re fe r e n c e s a p p l i ca ti o n be h el d of th i s th a t som e re s p o n s i b l e ci te d in th i s p u b l i ca ti on U se of th e re fe re n c e d p u bl i ca ti on s is p u b l i c a ti o n of th e e l e m e n ts fo r i d e n t i fy i n g of an y th i s or al l I EC s u ch P u b l i ca ti o n paten t m ay be th e s u b j e ct of ri g h t s DISCLAIM ER This Consolidated version is not an official IEC Standard and has been prepared for user convenience Only the current versions of the standard and its amendment(s) are to be considered the official documents This Consolidated version of IEC TS 62370 bears the edition number 1 It consists of the first edition (2004-05) [documents 29/540/DTS and 29/544A/RVC] and its amendment (201 7-03) [documents 29/91 6/DTS and 29/939/RVDTS] The technical content is identical to the base edition and its amendment This Final version does not show where the technical content is modified by amendment A separate Redline version with all changes highlighted is available in this publication –4– I EC TS 62370:2004+AM D1 :201 CSV  I EC 201 The m ain task of I EC techn ical com m ittees is to prepare I n tern ati onal Stan dards I n excepti onal circum stances, a tech n ical com m ittee m ay propose the pu bl icati on of a techn ical specification wh en • • th e requ ired support can not be obtain ed for the pu bl ication of an I n tern ati onal Stan dard, despite repeated efforts, or th e subj ect is sti l l un der tech n ical developm en t or wh ere, for an y oth er reason , th ere is th e futu re but no im m edi ate possi bi li ty of an agreem ent on an I ntern ati on al Standard Techn ical specificati ons are su bj ect to revi ew withi n three years of publ icati on to deci de wh eth er th ey can be tran sform ed in to I n tern ati onal Stan dards I EC 62370, wh ich is a techn ical specificati on, h as been prepared by I EC tech n ical com m ittee 29: El ectroacoustics This publicati on has been drafted in accordance wi th th e I SO/I EC Directi ves, Part The com m ittee h as deci ded th at th e tents of th e base pu bl icati on and its am endm ent wil l rem n unch an g ed u ntil th e stabil i ty date i ndicated on the I EC web si te u nder "http://webstore i ec ch " i n th e data related to the specific pu blicati on At thi s date, th e pu bl ication wi l l be • • • • reconfi rm ed, wi thdrawn , repl aced by a revised edi ti on, or am ended A bi l in g ual versi on of th is pu bl icati on m ay be issu ed at a l ater date I EC TS 62370: 2004+AM D1 :201 CSV  I EC 201 –5– E L E C T R O AC O U S T I C S – I N S T R U M E N TS F O R TH E M E AS U R E M E N T O F S O U N D I N T E N S I T Y – E L E C T R O M AG N E T I C AN D E L E C TR O S T AT I C C O M P AT I B I L I TY R E Q U I R E M E N T S AN D T E S T P R O C E D U R E S Scope Th is Techn ical Specificati on specifi es requ irem ents for instrum ents that m easure sou nd i ntensi ty usin g pai rs of pressure sensin g m icroph ones wi th respect to th eir i m m unity to poweran d radio-frequ ency fields and to el ectrostatic di scharg e, an d th e perm itted radi o-frequ ency em issi ons, togeth er wi th test procedures to verify conform ance Soun d i ntensi ty m easu ri n g i nstrum ents are avai l abl e i n m an y different confi g u rati ons an d m ay be powered by batteri es or from extern al power suppl y system s The tech nical requ irem en ts in th is Tech n ical Specificati on appl y to all config urati ons of in strum en ts for th e m easurem ent of sou n d i ntensi ty 1 Th e el ectrom ag n etic an d el ectrostatic com pati bili ty requ irem en ts are equ al l y appl icabl e for soun d i ntensity m easu rin g i nstrum en ts used in resi denti al , com m erci al and li gh t-industri al en vironm ents, or i ndustri al si tes The requ irem ents of this Tech nical Specificati on are additi onal to th ose tai ned i n I EC 61 043 an d not alter an y of the specifications tai n ed th erein The requ irem en ts n ot appl y retrospecti vel y to sou n d i ntensi ty m easuring i nstrum ents com pl yi n g with I EC 61 043 prior to the pu blication of th is Tech n i cal Specification N OTE Com pl i ance wi th th i s Tech ni cal Speci fi cati on does not i nsure that th e sou nd i nten si ty m easuri n g system i s i m m un e to i n terference from al l el ectrom ag n eti c sou rces N OTE These req ui rem ents are the fi rst attem pt at defi ni n g el ectrom ag n eti c an d el ectrostati c com pati bi l i ty req ui rem ents for sou nd i n tensi ty m easu ri ng system s Requi rem en ts can be chang ed l ater wh en wi d er experi ence has been g n ed i f fou n d n ecessary N o r m a t i ve r e f e r e n c e s The foll owi ng referenced docum ents are i n dispen sabl e for th e appl ication of th is docum ent For dated references, on l y the edi ti on ci ted appli es For u n dated references, th e latest edition of th e referenced docu m en t (inclu ding an y am endm ents) appl ies Electromagnetic compatibility (EMC) – Part 4: Testing and measurement techniques – Section 2: Electrostatic discharge immunity test I EC 61 000-4-2, I EC 61 000-4-3:2002, Electromagnetic compatibility (EMC) – Part 4-3: Testing and measurement techniques – Radiated, radio-frequency, electromagnetic field immunity test Am en dm ent (2002) Electromagnetic compatibility (EMC) – Part 4-20: Testing and measurement techniques – Emission and immunity testing in transverse electromagnetic (TEM) waveguides I EC 61 000-4-20:201 0, Electromagnetic compatibility (EMC) – Part 6: Generic standards – Section 1: Immunity for residential, commercial and light-industrial environments I EC 61 000-6-1 : 997, Electromagnetic compatibility (EMC) – Part 6-2: Generic standards – Immunity for industrial environments I EC 61 000-6-2: 999, Electromagnetic compatibility (EMC) – Part 6: Generic standards – Section 3: Emission standard for residential, commercial and light-industrial environments CI SPR/I EC 61 000-6-3: 996, –6– I EC TS 62370:2004+AM D1 :201 CSV  I EC 201 I EC 61 043, Electroacoustics – Instruments for the measurement of sound intensity – Measurement with pairs of pressure sensing microphones CI SPR 22:2003, Information technology equipment – Radio disturbance characteristics – Limits and methods of measurement Terms and definitions For th e pu rpose of this docum en t, th e fol lowi n g defi n itions appl y i n additi on to th ose specifi ed i n I EC 61 000-4-2, I EC 61 000-4-3, I EC 61 000-6-1 , I EC 61 000-6-2 an d CI SPR 61 000-6-3 3.1 referen ce orientation (of a sound intensity measu ring system) orientati on of a sou nd i n tensity m easurin g system with respect to the princi pal direction of an em itter or recei ver of radio frequency fi elds 3.2 grou p X sound inten sity measu ring system self-con tai n ed instrum ent wh ich incl u des soun d i ntensi ty m easuri n g faci l iti es accordi ng to th is Techn ical Specification an d wh ich specifi es i nternal battery power for the n orm al m ode of operati on, requi ri n g n o extern al n ecti ons to other apparatus to operate th e i nstru m en t 3.3 grou p Y sound inten sity measu ring system self contain ed instrum ent wh ich inclu des sou n d in tensi ty m easurin g faci l iti es accordi n g to th is Techn ical Specification an d wh ich specifi es nection to a pu bl ic power su ppl y system for th e norm al m ode of operati on , requ iring n o extern al nections to oth er apparatus to operate th e instrum en t 3.4 grou p Z sound intensity measu ring system i nstrum ent th at incl u des sou nd intensi ty m easu ri ng faci l ities accordin g to th is Tech nical Specification requirin g two or m ore item s of equ ipm en t to be n ected tog eth er by som e m eans for th e n orm al m ode of operation , with operati on either from batteri es or from a pu blic power su ppl y Electromagnetic and electrostatic compatibility requirements 4.1 Gen eral 4.1 Th is cl ause specifi es requirem en ts for sou nd intensi ty m easurin g system s with respect to th eir im m unity to power- an d radi o-frequ ency electrom ag n etic fi elds an d to electrostatic disch arge, an d th e perm itted radi o-frequency em issi ons, tog ether with Cl ause wh ich specifies test procedures to dem onstrate conform ance to th e specification s of th is Tech nical Specificati on Sou nd i ntensi ty m easuring system s are avail abl e i n m an y differen t config urati ons an d m ay be powered by batteries or from external power su ppl y system s For conform ance with th ese requ irem en ts, a probe an d a processin g system sh al l be tested tog ether, and the system this com prises sh al l be specifi ed wi th al l necessary cables an d accessori es The techn ical requ irem ents in th is cl ause are for three sou nd i ntensi ty m easu ri ng system confi gu rations: first, G rou p X, for self-con tain ed instrum ents that are desi g ned prim ari l y for battery operati on; second, G rou p Y, for self-contained i nstrum en ts th at incorporate soun d i ntensity m easurin g facil i ties accordi n g to th is Tech n ical Specification an d th at are operated from pu bl ic power su ppl y system s; th ird, Grou p Z, for sou nd in tensity m easurin g system s that are form ed by interconn ecti on of two or m ore item s of equ ipm en t (for th e purposes of EMC testi ng , th e probe is n ot a separate item of equ ipm en t) I EC TS 62370: 2004+AM D1 :201 CSV –7–  I EC 201 Th e electrom ag n etic an d el ectrostatic com patibil ity requ irem ents are equ all y appl icable for sou n d in tensity m easurin g system s u sed i n residen tial, com m ercial an d lig htindu stri al en vironm en ts, or i n dustrial sites The requ irem ents of th is clau se are addition al to th ose contain ed i n I EC 61 043 an d not al ter an y of th e specificati ons for sou nd intensi ty m easurin g system s or parts th ereof contain ed th erein Em i ssi on l i m i ts Th e u pper l im its on radi o-frequency em issi ons from an y apparatus are defi ned for com pati bi lity with m an y different stan dards wi th th e l im its laid down in Table of CI SPR 61 000-6-3: 996, form ing the basic requ irem en ts for soun d i ntensity m easurin g system s i n groups X, Y or Z These are sum m ari zed in An n ex A Sou n d in tensi ty m easurin g system s in g rou ps Y or Z powered from a pu bl ic power suppl y system shall also com pl y wi th th e l im its for disturbance to th e pu blic su ppl y system specified i n CI SPR 22 for Class B equ i pm ent For sou nd in tensity m easu rin g system s, the requ irem ents are su m m ari zed in An n ex A 2 The i nstructi on m anu al sh al l state the confi gurati on of, th e m ode of operati on of, an d the n ecting devices (if an y) to, th e instrum ent th at produce th e greatest radi o-frequ ency em issi ons 4 E l e c t ro s t at i c d i s ch a rg e s Soun d intensi ty m easurin g system s i n g rou ps X, Y or Z sh al l wi thstand el ectrostatic disch arges of specifi ed m agn itu des The requi rem ents are th ose specifi ed in of Table in IEC 61 000-6-1 : 997 an d are sum m ari zed as fol lows: – tact disch arg es u p to kV and air disch arg es u p to kV with both positive and neg ati ve voltag es Th e polari ty of th e electrostatic vol tag e is with respect to earth grou n d Clau se of I EC 61 000-6-1 specifies perform ance cri teri on B du ri ng and after electrostatic discharg e tests, g i ven as fol l ows: "Th e apparatus sh all tin u e to operate as i ntended after th e test No deg radation of perform ance or l oss of function is all owed below a perform ance level specified by th e m anu factu rer, wh en th e apparatus is u sed as inten ded The perform ance level m ay be repl aced by a perm issible l oss of perform ance Durin g the test, degradati on of perform ance is however al lowed N o chan ge of actual operati ng state or stored data is all owed I f th e m inim um perform ance l evel or th e perm issibl e perform ance loss is n ot specified by the m anu factu rer, eith er of these m ay be deri ved from the product descripti on an d docum entati on an d what the user m ay reason abl y expect from th e apparatus if used as i ntended" The term “apparatus” m eans an y sou nd i nten sity m easuring system conform in g to th is Techn ical Specification N OTE An exam pl e of a perm i ssi bl e l oss of perform ance coul d be th e di spl ay of th e apparatus becom i n g un readabl e du ri n g the execu ti on of di sch arg es, but retu rni n g to fu l l operati on fol l owi n g com pl eti on of th e di sch arg es After each and every el ectrostatic disch arg e test is com plete, the sou n d i ntensi ty m easu rin g system shall be fu ll y operati on al an d in a config urati on i den tical to th at establ ished before th e start of th e electrostatic discharg e tests Previousl y stored data (if an y) shall rem ain u nch ang ed 3 4 I m m u n i ty to power- an d rad i o -freq u en c y fi e l d s an d co n d u ct ed d i s t u rb a n c es Soun d in tensi ty m easurin g system s in g rou ps X, Y an d Z sh al l exh i bit a m inim um degree of im m unity over a rang e of power- an d radi o- frequ encies and field stren g ths Th e requ irem ents are th ose specified i n of Table i n I EC 61 000-6-1 :1 997 an d of Tabl e 4 –8– I EC TS 62370:2004+AM D1 :201 CSV  I EC 201 in I EC 61 000-6-2:1 999 wi th m in or am endm ents These am en dm ents exten d th e ran g e of radi o-frequency fiel ds to cover from 27 M H z to 000 M H z, and increase the field stren g th for th e power frequ ency fi el d to 80 A/m Th e requ irem en ts can be sum m arised as fol l ows: – – frequency ran ge from 27 M H z to 000 MH z Root-m ean-squ are el ectric field streng th u p to and i ncl udi ng V/m (u nm odu lated) wi th 80 % sin usoidal am pl itude m odu lati on at kH z, un iform root-m ean-squ are alternatin g m agn etic fi el d of 80 A/m stren gth at 50 H z or 60 H z For sou n d i n tensity m easu ri n g system s in grou ps Y or Z that are conn ected to a pu bl ic power su ppl y, th e instrum ents sh all also conform to additi on al requ irem en ts Th ese requ irem ents are g i ven i n Table of I EC 61 000-6-2: 999 4 For sou nd in tensi ty m easu rin g system s i n grou p Z, an d wh ere an y i n terconn ecti n g cabl e between an y two parts of th e system (excludi n g an y cabl e between th e probe an d th e processor) exceeds m i n leng th, th e instrum ents shal l also conform to the requ i rem en ts of Table in I EC 61 000-6-2:1 999 4 For all g rou ps of sou n d i ntensi ty m easuri ng system s, th e im m unity of an y i nstru m en t to power an d radio-frequ en cy fiel ds sh al l be dem onstrated by placin g th e probe i n a known sou n d fi el d wh ilst m aintai ni n g both th e probe an d th e processor in a near-un iform power or radio-frequency field The sou n d fiel d sh all consist of a pure si n u soi dal tone of 925 H z sim ulati n g a soun d field wi th a sou nd intensity l evel of 74 dB ± 0, dB an d a pressure intensi ty (PI ) i ndicator of dB The PI i n dicator displays th e difference between the soun d intensi ty an d sou nd pressure l evels i n an actu al sou n d fi el d This sou rce m ay be appli ed to th e m icroph on es in an y way th at does n ot al ter the suscepti bi l ity of th e probe or th e source to power and radio-frequ ency em issions Th e soun d in tensity m easuri n g system shall be posi tion ed in th e referen ce orien tati on relati ve to th e source of radio-frequ ency em issi ons as specified in th e instruction m anu al Th e probe sh all be position ed cl ose to th e processor u n it as defin ed for the reference ori en tation and fi tted with a spacer of n ot m ore th an 25 m m len gth Excess cable sh all be folded back on itself i n a fig ure of ei g ht config urati on wi th an even n u m ber of folds of equal l en g th , typical l y 250 m m lon g , an d all parts secured closel y tog ether at each end of the folds, an d in th eir centre 4 N OTE A n on -con ducti ve stan di n g wave tu be m ay be a m ean s of creati n g th i s fi el d Duri n g testi ng , th e soun d in tensi ty m easuring system shal l be set for the no rm al m ode of operation as descri bed i n th e i nstruction m an ual I t sh all be tu rn ed on, powered by its preferred su ppl y, and set to read sou nd pressu re l evel Th e l evel ran g e trol sh al l be set (if applicabl e) to a ran g e wh ere overl oad occurs between 90 dB an d 1 dB 4 When the power-frequ en cy or radio-frequ ency field as specified i n 4 is applied, the i ndicati on of th e sou n d i n tensity m easuri ng system shal l n ot ch an g e by m ore th an ±1 dB for a Cl ass system or ±2 dB for a Cl ass system 4 When testin g th e additi on al requ irem ents in 4 an d 4 3, th e suscepti bi l ity of th e sou n d in tensi ty m easu ri n g system shall not chan g e by m ore th an ±1 dB for a Class system or ±2 dB for a Class system when these tests are appl ied N o power- or radio-frequ ency fiel d is appli ed durin g th e testing for conform ance to th ese addition al requ irem ents 4 Th e instructi on m an u al shal l state th e confi gurati on, th e m ode of operati on and the n ecti ng devices (if an y) that produce th e m i n i m um im m uni ty to power- an d radio-frequ ency fiel ds 4 I EC TS 62370: 2004+AM D1 :201 CSV  I EC 201 –9– Test procedures 5.1 Gen eral 5.1 Th e tests descri bed in th is su bcl au se shall be carri ed ou t un less the particu lar config uration of th e sou nd in tensi ty m easurin g system ren ders th em in appropriate, in wh ich case equ i valent tests sh ou l d be substituted if equ i valence to these tests can be dem onstrated U n less stated oth erwise, th ese tests appl y to sou n d intensi ty m easuring system s i n groups X, Y, an d Z 5.1 Duri n g testi ng , th e soun d in tensity m easu ri ng system un der test shal l be set in th e config urati on for th e n orm al m ode of operati on as described i n the instructi on m an u al The instrum ent sh all be turn ed on , powered by its preferred source of su ppl y, and se t to read the kH z octave or thi rd-octave ban d 5.1 Fu l l detai ls of equ ipm en t requ ired to perform the tests and th e m eth ods of executi ng th em are m ostl y contai ned i n oth er stan dards wi th th e addi tion al requ i rem ents for sou nd intensi ty m easu ri ng system s specified in th is clause Other stan dards listed in Clause sh all be referred to for al l relevan t tests 5.2 Emi ssion measu rements 5.2.1 Th e instrum en t u n der test sh al l be confi g u red an d set accordi n g to the specificati on in th e instruction m an ual to produce th e g reatest em issi ons i n the frequ ency rang e bei ng in vestig ated 5.2.2 M easurem en ts of em issions sh al l be perform ed as described i n Cl auses and of CI SPR 22:2003 Al l resu lts from m easurem en ts of radi ated em issions shall conform to the requ irem ents for enclosu re ports g i ven i n 5.2.3 Th e i nstru m en t u nder test sh al l in i tiall y be tested i n th e reference ori en tation with the probe cable arran ged as i n 4 if appropriate 5.2.4 M ain tai n i ng th e config uration of 3, th e instrum en t u n der test shal l be tested for em issions in at l east on e other pl an e, each orth og on al to the reference ori en tation , with in the lim its of sui tabl e position i ng for the m easurin g system em pl oyed 5.2.5 An y fixtu res an d fittin g s used to m ain tain th e positi on of the instrum en t u n der test (incl u din g the probe and an y cables if appropri ate) sh all be such as to h ave no sig n ificant infl uence on th e m easurem ent of an y em issions from th e i nstrum en t 5.2.6 I f the instrum en t un der test is fitted with a nection device th at all ows in terface or intercon n ecti on cabl es to be attach ed to it, th en al l tests of em issi ons shal l be carried out with cables conn ected to al l avail able nection devices All cables sh al l be left un term inated an d be arran g ed as descri bed i n Cl ause of CI SPR 22: 2003, u n less th e m anu factu rer of th e sou n d i ntensity m easuri n g system also su ppli es the device nected to the sou n d intensity m easurin g system by th is cable, i n wh ich case al l item s sh all be tested tog eth er 5.2.7 Where several conn ections m ay be m ade to th e sam e conn ectin g device, em issions shal l be m easu red on l y with the config uration th at produ ces th e g reatest em issi ons Oth er config urations em itti ng si m ilar or lower levels of em issions m ay be i ncl uded i n th e i nstru ction m anual in a l ist of com pli an t config urations withou t furth er testin g, provi ded th e tested config uration fu l l y conform s with th e l im its of 5.2.8 For sou n d i ntensity m easu rin g system s in grou ps Y an d Z nected to a pu blic power suppl y, disturbances ducted to the pu bl ic power suppl y shal l be m easu red as described in CI SPR 22 an d sh al l conform to th e requ irem ents of Clause of th is Tech n ical Specification for Class B equ ipm en t – 10 – I EC TS 62370:2004+AM D1 :201 CSV  I EC 201 5.3 Tests for electrostatic disch arge 5.3.1 Equi pm en t requ ired and m eth ods of testi n g are descri bed in I EC 61 000- 4-2 5.3.2 I f the instrum ent un der test is fitted wi th n ection devices th at are n ot requ ired as part of th e config uration for th e n orm al m ode of operation , th en n o cables sh al l be fi tted duri n g th e electrostatic-discharg e test Discharg es sh all not be m ade to pins on nectors th at are recessed beh ind th e surface of either the n ector or th e sou n d i ntensi ty m easurin g system 5.3.3 An y su pports or oth er i tem s used to m ntain the positi on of th e i n strum en t u n der test duri n g testin g sh all not obscu re an y part of sou nd in tensity m easurin g system requ ired for access for static disch arge, n or shal l th ey affect th e testin g of th e sou n d i ntensi ty m easurin g system 5.3.4 Con tact an d air disch arges of all requ ired polariti es an d vol tag es sh all be appl i ed tim es each to al l appropriate parts of th e i nstru m ent un der test N OTE Care sh oul d be taken to ensu re th at th e soun d i n ten si ty m easuri n g system un der test i s ful l y di sch arg ed from any effects of each test before repeati n g the appl i cati on of a di scharg e 5.3.5 I f the i nstruction m anu al specifi es a tem porary perform ance deg radati on or loss of fu ncti on after th e electrostatic disch arg e tests, th is degradati on or loss of fu ncti on sh all not allow an y redu ced operati on , ch an g e of confi g urati on or corruption or loss of an y stored data 5.4 Tests for im munity to power- and radio-frequency fields and conducted distu rbances 5.4.1 Th e equ ipm ent requ ired an d th e test m eth ods n eeded to test for radio-frequ ency fi el ds are described in I EC 61 000-4-3 An alternative test m ethod using Transverse El ectrom ag netic (TEM) waveg u ides m ay be em ployed for im m uni ty testin g The requ irem en ts th at shal l be applied for th e TEM wavegu i de are specified in I EC 61 000- 4-20, an d An n ex B of I EC 61 000-4-20: 201 defi nes m eth ods of im pl em enting th e testin g The perform ance requ irem ents for the instrum ent u n der test are u n chan g ed incl uding th e rang e of frequencies tested an d step si ze 5.4.2 Testin g sh al l first be m ade in th e reference ori en tation wi th an y probe cabl es arrang ed as descri bed i n 4 Th e si gn al from th e acousti c source described in 4 sh al l be appl ied 5.4.3 Tests for im m unity to radio-frequ ency fields m ay be perform ed at discrete frequ encies wi th increm en ts of u p to % for frequ encies less than 500 M H z and u p to % for all other frequenci es Dwel l tim e at each frequ ency sh all be appropri ate to the sou n d in tensi ty m easurin g system under test Testin g at a l im ited n u m ber of discrete frequ encies does n ot neg ate th e n eed to m eet th e requ irem en ts of 4 at al l frequ enci es wi th in th e specified rang e Testi n g at % i ncrem ents m ay be requ ired to satisfy oth er stan dards requ irem ents 5.4.4 I f the instrum ent un der test is fitted wi th an y n ecti on device th at all ows in terface or intercon n ecti on cabl es to be attach ed to it, th en all tests for im m uni ty to power- an d radiofrequency fiel ds sh al l be perform ed wi th cables conn ected to all avai labl e n ecti on devices Al l cabl es sh all be left un term in ated an d sh all be arran g ed as described in Clau se of CI SPR 22:2003 un l ess th e su ppl i er of th e sou nd i ntensi ty m easu ri n g system also su ppl i es th e device nected to th e sou nd i ntensi ty m easuring system by th is cable, in wh ich case al l item s sh al l be tested tog eth er 5.4.5 Where several conn ecti ons m ay be m ade to the sam e nectin g device, tests sh al l be perform ed on l y wi th th e confi g urati on specifi ed in the i nstruction m anu al as produci n g m inim um im m uni ty Oth er config urations that are equ all y or m ore im m une m ay be i ncl uded i n th e instruction m anu al in a l ist of conform in g fig urations wi th out furth er testin g, provi ded th e tested config urati on fu ll y conform s to the lim i ts of 4 I EC TS 62370: 2004+AM D1 :201 CSV – 11 –  I EC 201 Power-frequ ency testing shal l be at 50 H z or 60 H z The acoustic sou rce of 4 and an y nections to th e sou n d i ntensity m easurin g system sh al l be m ade i n a m an n er th at h as no influ ence on th e power frequ ency fi el d M ain tain ing th e config urati on of an d 4, th e i nstrum ent un der test sh all be tested in at l east on e other plan e, each orth ogonal to th e reference orientati on, wi th in th e lim its of sui table position ing for the radi o-frequency transm i tting system em ployed Durin g testi ng , th e instrum en t un der test shal l rem ain fu l l y operati onal an d i n th e sam e config urati on as i t was before testin g com m enced For sou n d i ntensi ty m easurin g system s i n g rou ps Y an d Z operating from a pu blic power su ppl y, tests sh all be perform ed to dem onstrate conform ance to th e addi ti on al specifications g iven in 4 For soun d intensity m easuri n g system s in grou p Z usi n g or specifying interconn ecti n g cabl es (other than th e probe cabl e) lon ger than m and approved by th e m anufacturer, tests shal l be perform ed to dem onstrate conform ance to th e addi tion al specifications g i ven i n 4 I n fo rm ati o n to be i n cl u d ed i n th e i n stru cti o n m an u al The i nstru ction m an u al shal l contai n th e fol l owi n g: a) th e confi g uration for the reference orien tation and m ethod of secu rin g the m icrophon e cabl e, if appropri ate b) th e approved cabl es and accessori es as requ ired for th e tests of an d 4; c) th e confi guration for th e norm al m ode of operation; d) an y specifi ed degradati on in perform ance or loss of fu nction ali ty fol l owing th e appl ication of el ectrostatic disch arges; e) th e setti ng an d config uration withi n a n orm al m ethod of operation for greatest radi ofrequency em issions; f) th e m ode of operation, withi n a norm al m eth od of operati on, and nectin g devices th at produce m in im um im m u n ity to power- an d radio-frequ ency fi elds – 12 – I EC TS 62370:2004+AM D1 :201 CSV  I EC 201 An n e x A (informati ve) R a d i o - fre q u e n c y e m i s s i o n l i m i ts T a b l e A – Li m i t s fo r rad i ated d i s t u rb an c e o f C l as s B i n f o rm a t i o n t ec h n o l o g y eq u i pm en t (I TE) at a m easu ri n g Freq u en c y r an g e NOTE d i stan ce o f m Qu asi -peak l i m i ts µ MH z dB ( V/m ) 30 to 230 30 230 to 000 37 The l ower l i m i t appl i es at the tran si ti on frequ ency N OTE Addi ti on al provi si ons m ay be requ i red for cases wh ere i nterferen ce occu rs NOTE Th e characteri sti cs of a q uasi -peak recei ver are speci fi ed i n of CI SPR 6-1 -1 : 2003 The referen ce l evel for qu asi -peak si g nal s i s V/m µ For soun d i ntensity m easurin g system s powered from a pu blic su ppl y, th e requ irem ents g i ven i n Tabl e A sh all also be fu lfil led T a b l e A – L i m i t s f o r c o n d u c t e d d i s t u r b a n c e a t t h e m a i n s p o r t s o f C l a s s B I T E Li m i ts µ Freq u en c y ran g e dB ( V/m ) MH z N OTE Qu asi -peak Av e r a g e 0, to 0, 50 66 to 56 56 to 46 0, 50 to 56 46 to 30 60 50 Th e l ower l i m i t appl i es at the tran si ti on frequ enci es N OTE Th e l i m i t decreases l i nearl y wi th the l og ari thm of the freq u en cy i n the ran g e 0, MH z to 0, 50 MH z I EC TS 62370: 2004+AM D1 :201 CSV  I EC 201 – 13 – Bibliograph y CI SPR 6-1 -1 :2003, Specification for radio disturbance and immunity measuring apparatus and methods – Part 1-1: Radio disturbance and immunity measuring apparatus – Measuring apparatus _ INTERNATIONAL ELECTROTECHNICAL COMMISSION 3, rue de Varembé PO Box 31 CH-1 21 Geneva 20 Switzerland Tel: + 41 22 91 02 1 Fax: + 41 22 91 03 00 info@iec.ch www.iec.ch

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