EN 61010-031-2015 en Safety requirements for electrical equipment for measurement control and laboratory use - Part 031 Safety requirements for hand-held probe assemblies for elect.pdf

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1、BSI Standards PublicationSafety requirements for electrical equipment for measurement, control and laboratory usePart 031: Safety requirements for hand-held probe assemblies for electrical measurement and testBS EN 61010-031:2015National forewordThis British Standard is the UK implementation of EN 6

2、1010-031:2015. It isidentical to IEC 61010-031:2015. It supersedes BS EN 61010-031:2002+A1:2008, which will be withdrawn on 3 July 2018.The UK participation in its preparation was entrusted to TechnicalCommittee EPL/66, Safety of measuring, control and laboratory equipment.A list of organizations re

3、presented on this committee can be obtained onrequest to its secretary.This publication does not purport to include all the necessary provisions ofa contract. Users are responsible for its correct application. The British Standards Institution 2015.Published by BSI Standards Limited 2015ISBN 978 0 5

4、80 74989 6ICS 11.080.10; 19.080; 71.040.20Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 31 August 2015.Amendments/corrigenda issued since publicationDate Text af

5、fectedBRITISH STANDARDBS EN 61010-031:2015EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 61010-031 July 2015 ICS 19.080 Supersedes EN 61010-031:2002 English Version Safety requirements for electrical equipment for measurement, control and laboratory use - Part 031: Safety requirements for hand

6、-held probe assemblies for electrical measurement and test (IEC 61010-031:2015) Rgles de scurit pour appareils lectriques de mesurage, de rgulation et de laboratoire - Partie 031: Exigences de scurit pour sondes quipes tenues la main pour mesurage et essais lectriques (IEC 61010-031:2015) Sicherheit

7、sbestimmungen fr elektrische Mess-, Steuer-, Regel- und Laborgerte - Teil 031: Sicherheitsbestimmungen fr handgehaltenes Messzubehr zum Messen und Prfen (IEC 61010-031:2015) This European Standard was approved by CENELEC on 2015-07-03. CENELEC members are bound to comply with the CEN/CENELEC Interna

8、l Regulations which stipulate the conditions for giving 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 CE

9、NELEC member. This European Standard exists in three official 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 offici

10、al versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Ma

11、lta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung CEN-CENELEC

12、 Management Centre: Avenue Marnix 17, B-1000 Brussels 2015 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members. Ref. No. EN 61010-031:2015 E BS EN 61010-031:2015EN 61010-031:2015 2 European foreword The text of document 66/569/FDIS, future edition 2

13、 of IEC 61010-031, prepared by IEC/TC 66 “Safety of measuring, control and laboratory equipment“ was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 61010-031:2015. The following dates are fixed: latest date by which the document has to be implemented at national level by pu

14、blication of an identical national standard or by endorsement (dop) 2016-04-03 latest date by which the national standards conflicting with the document have to be withdrawn (dow) 2018-07-03 This document supersedes EN 61010-031:2002. Attention is drawn to the possibility that some of the elements o

15、f 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. This standard covers the Principle Elements of the Safety Objectives for Electrical Equipment Designed for Use within Certain Voltage Limits (LVD - 200

16、6/95/EC). Endorsement notice The text of the International Standard IEC 61010-031:2015 was approved by CENELEC as a European Standard without any modification. In the official version, for Bibliography, the following notes have to be added for the standards indicated: IEC 60065 NOTE Harmonized as EN

17、 60065. IEC 60270 NOTE Harmonized as EN 60270. IEC 60364-4-44 NOTE Harmonized as HD 60634-4-44. IEC 60664-1 NOTE Harmonized as EN 60664-1. IEC 60664-3:2003 NOTE Harmonized as EN 60664-3:2003. IEC 60664-3:2003/AMD1:2010 NOTE Harmonized as EN 60664-3:2003/A1:2010. IEC 60664-4:2005 NOTE Harmonized as E

18、N 60664-4:2006. IEC 60990 NOTE Harmonized as EN 60990. IEC 61010 (series) NOTE Harmonized as EN 61010 (series). IEC 61032:1997 NOTE Harmonized as EN 61032:1998. BS EN 61010-031:2015EN 61010-031:2015 3 Annex ZA (normative) Normative references to international publications with their corresponding Eu

19、ropean publications 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 document (including any amendmen

20、ts) applies. NOTE 1 When an International Publication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies. NOTE 2 Up-to-date information on the latest versions of the European Standards listed in this annex is available here: www.cenelec.eu. Publication Year Tit

21、le EN/HD Year IEC 60027 series Letter symbols to be used in electrical technology EN 60027 series IEC 60529 - Degrees of protection provided by enclosures (IP Code) - - IEC 61010-1 2010 Safety requirements for electrical equipment for measurement, control and laboratory use - Part 1: General require

22、ments EN 61010-1 2010 IEC 61180-1 1992 High-voltage test techniques for low-voltage equipment - Part 1: Definitions, test and procedure requirements EN 61180-1 1994 IEC 61180-2 - High-voltage test techniques for low-voltage equipment - Part 2: Test equipment EN 61180-2 - IEC Guide 104 - The preparat

23、ion of safety publications and the use of basic safety publications and group safety publications - - ISO/IEC Guide 51 - Safety aspects - Guidelines for their inclusion in standards - - BS EN 61010-031:2015 2 IEC 61010-031:2015 IEC 2015 CONTENTS FOREWORD . 7 1 Scope and object . 10 1.1 Scope . 10 1.

24、1.1 Probe assemblies included in scope 10 1.1.2 Probe assemblies excluded from scope . 13 1.2 Object . 13 1.2.1 Aspects included in scope . 13 1.2.2 Aspects excluded from scope 13 1.3 Verification 13 1.4 Environmental conditions 13 1.4.1 Normal environmental conditions . 13 1.4.2 Extended environmen

25、tal conditions . 13 2 Normative references 14 3 Terms and definitions 14 3.1 Parts and accessories . 14 3.2 Quantities . 15 3.3 Tests 16 3.4 Safety terms . 16 3.5 Insulation 17 4 Tests . 18 4.1 General . 18 4.2 Sequence of tests . 19 4.3 Reference test conditions 19 4.3.1 Environmental conditions .

26、19 4.3.2 State of probe assemblies 19 4.3.3 Position of the probe assembly 19 4.3.4 Accessories . 20 4.3.5 Covers and removable parts 20 4.3.6 Input and output voltages 20 4.3.7 Controls . 20 4.3.8 Connections 20 4.3.9 Duty cycle 20 4.4 Testing in SINGLE FAULT CONDITION. 20 4.4.1 General . 20 4.4.2

27、Application of fault conditions 20 4.4.3 Duration of tests 21 4.4.4 Conformity after application of fault conditions . 21 4.5 Tests in REASONABLY FORESEEABLE MISUSE 22 4.5.1 General . 22 4.5.2 Fuses 22 5 Marking and documentation . 22 5.1 Marking . 22 5.1.1 General . 22 5.1.2 Identification 22 5.1.3

28、 Fuses 23 5.1.4 CONNECTORS and operating devices . 24 BS EN 61010-031:2015IEC 61010-031:2015 IEC 2015 3 5.1.5 RATING . 24 5.2 Warning markings . 24 5.3 Durability of markings . 24 5.4 Documentation 25 5.4.1 General . 25 5.4.2 Probe assembly RATING . 25 5.4.3 Probe assembly operation . 25 5.4.4 Probe

29、 assembly maintenance and service . 26 6 Protection against electric shock . 26 6.1 General . 26 6.2 Determination of ACCESSIBLE parts 27 6.2.1 General . 27 6.2.2 Examination . 27 6.2.3 Openings for pre-set controls . 28 6.3 Limit values for ACCESSIBLE parts 28 6.3.1 General . 28 6.3.2 Levels in NOR

30、MAL CONDITION . 29 6.3.3 Levels in SINGLE FAULT CONDITION . 29 6.3.4 Measurement of voltage and touch current 31 6.4 Means of protection against electric shock 34 6.4.1 General . 34 6.4.2 CONNECTORS 35 6.4.3 PROBE TIPS. 36 6.4.4 Impedance . 38 6.4.5 PROTECTIVE IMPEDANCE 38 6.4.6 BASIC INSULATION, SU

31、PPLEMENTARY INSULATION, DOUBLE INSULATION and REINFORCED INSULATION 39 6.5 Insulation requirements . 39 6.5.1 The nature of insulation . 39 6.5.2 Insulation requirements for probe assemblies 44 6.6 Procedure for voltage tests . 50 6.6.1 General . 50 6.6.2 Humidity preconditioning . 50 6.6.3 Conduct

32、of tests 50 6.6.4 Test voltages . 51 6.6.5 Test procedures . 53 6.7 Constructional requirements for protection against electric shock . 54 6.7.1 General . 54 6.7.2 Insulating materials . 54 6.7.3 ENCLOSURES of probe assemblies with DOUBLE INSULATION or REINFORCED INSULATION . 54 6.7.4 PROBE WIRE att

33、achment . 54 7 Protection against mechanical HAZARDS . 58 8 Resistance to mechanical stresses 58 8.1 General . 58 8.2 Rigidity test . 59 8.3 Drop test . 59 8.4 Impact swing test 59 9 Temperature limits and protection against the spread of fire 60 BS EN 61010-031:2015 4 IEC 61010-031:2015 IEC 2015 9.

34、1 General . 60 9.2 Temperature tests . 61 10 Resistance to heat . 61 10.1 Integrity of SPACINGS . 61 10.2 Resistance to heat 61 11 Protection against HAZARDS from fluids 61 11.1 General . 61 11.2 Cleaning . 61 11.3 Specially protected probe assemblies . 62 12 Components 62 12.1 General . 62 12.2 Fus

35、es 62 12.3 PROBE WIRE . 63 12.3.1 General . 63 12.3.2 RATING of PROBE WIRE 63 12.3.3 Pressure test at high temperature for insulations . 63 12.3.4 Tests for resistance of insulation to cracking . 65 12.3.5 Voltage test . 65 12.3.6 Tensile test 66 13 Prevention of HAZARD from arc flash and short-circ

36、uits . 68 13.1 General . 68 13.2 Exposed conductive parts . 68 Annex A (normative) Measuring circuits for touch current (see 6.3) 69 A.1 Measuring circuits for a.c. with frequencies up to 1 MHz and for d.c. 69 A.2 Measuring circuits for a.c. with sinusoidal frequencies up to 100 Hz and for d.c. . 69

37、 A.3 Current measuring circuit for electrical burns at frequencies above 100 kHz . 70 A.4 Current measuring circuit for WET LOCATIONS . 71 Annex B (normative) Standard test fingers . 73 Annex C (normative) Measurement of CLEARANCES and CREEPAGE DISTANCES . 76 Annex D (normative) Routine spark tests

38、on PROBE WIRE 78 D.1 General . 78 D.2 Spark test procedure . 78 D.3 Routine spark test method for PROBE WIRE 80 Annex E (informative) 4 mm CONNECTORS . 82 E.1 General . 82 E.2 Dimensions . 82 Annex F (normative) MEASUREMENT CATEGORIES 84 F.1 General . 84 F.2 MEASUREMENT CATEGORIES 84 F.2.1 MEASUREME

39、NT CATEGORY II . 84 F.2.2 MEASUREMENT CATEGORY III 84 F.2.3 MEASUREMENT CATEGORY IV . 84 F.2.4 Probe assemblies without a MEASUREMENT CATEGORY RATING 85 Annex G Index of defined terms 86 Bibliography 87 BS EN 61010-031:2015IEC 61010-031:2015 IEC 2015 5 Figure 1 Examples of type A probe assemblies 11

40、 Figure 2 Examples of type B probe assemblies 11 Figure 3 Examples of type C probe assemblies 12 Figure 4 Examples of type D probe assemblies 12 Figure 5 Example of a STACKABLE CONNECTOR with a male CONNECTOR and a female TERMINAL . 15 Figure 6 Methods for determination of ACCESSIBLE parts (see 6.2)

41、 and for voltage tests of (see 6.4.2) 28 Figure 7 Capacitance level versus voltage in NORMAL CONDITION and SINGLE-FAULT CONDITION (see 6.3.2 c) and 6.3.3 c) 30 Figure 8 Voltage and touch current measurement 31 Figure 9 Voltage and touch current measurement for the reference CONNECTOR . 32 Figure 10

42、Voltage and touch current measurement with shielded test probe 33 Figure 11 Maximum test probe input voltage for 70 mA touch current. 34 Figure 12 Protection by a PROTECTIVE FINGERGUARD . 37 Figure 13 Protection by distance 37 Figure 14 Protection by tactile indicator . 38 Figure 15 Distance between

43、 conductors on an interface between two layers 42 Figure 16 Distance between adjacent conductors along an interface of two layers 42 Figure 17 Distance between adjacent conductors located between the same two layers 44 Figure 18 Example of recurring peak voltage . 47 Figure 19 Flexing test 56 Figure

44、 20 Rotational flexing test . 58 Figure 21 Impact swing test . 60 Figure 22 Indentation device 64 Figure A.1 Measuring circuit for a.c. with frequencies up to 1 MHz and for d.c. 69 Figure A.2 Measuring circuits for a.c. with sinusoidal frequencies up to 100 Hz and for d.c. 70 Figure A.3 Current meas

45、uring circuit for electrical burns 71 Figure A.4 Current measuring circuit for high frequency test probes . 71 Figure A.5 Current measuring circuit for WET LOCATIONS . 72 Figure B.1 Rigid test finger 73 Figure B.2 Jointed test finger . 74 Figure D.1 Bead Chain Configuration (if applicable) . 79 Figu

46、re E.1 Recommended dimensions of 4 mm CONNECTORS . 82 Figure F.1 Example to identify the locations of MEASUREMENT CATEGORIES 85 Table 1 Symbols 23 Table 2 SPACINGS for unmated CONNECTORS RATED up to 1 000 V a.c. or 1 500 V d.c. with HAZARDOUS LIVE conductive parts . 36 Table 3 Multiplication factors

47、 for CLEARANCES of probe assembly RATED for operation at altitudes up to 5 000 m . 40 Table 4 Test voltages for testing solid insulation 41 Table 5 Minimum values for distance or thickness 43 BS EN 61010-031:2015 6 IEC 61010-031:2015 IEC 2015 Table 6 CLEARANCES for probe assemblies of MEASUREMENT CA

48、TEGORIES II, III and IV 44 Table 7 CLEARANCE values for the calculation of 6.5.2.3.2 46 Table 8 CLEARANCES for BASIC INSULATION in probe assemblies subjected to recurring peak voltages or WORKING VOLTAGES with frequencies above 30 kHz . 48 Table 9 CREEPAGE DISTANCES for BASIC INSULATION or SUPPLEMEN

49、TARY INSULATION 49 Table 10 Test voltages based on CLEARANCES 52 Table 11 Correction factors according to test site altitude for test voltages for CLEARANCES 53 Table 12 Pull forces for PROBE WIRE attachment tests . 57 Table 13 Diameter of mandrel and numbers of turns 65 Table C.1 Dimension of X 76 Table D.1 Maximum centre-to-centre spacings of bead chains . 78 Table D.2 Formula for maximum speed of wire in terms o