1、 IEC 61010-031Edition 1.0 2008-02INTERNATIONAL STANDARD NORME INTERNATIONALESafety requirements for electrical equipment for measurement, control and laboratory use Part 031: Safety requirements for hand-held probe assemblies for electrical measurement and test Rgles de scurit pour appareils lectriq
2、ues de mesurage, de rgulation et de laboratoire Partie 031: Prescriptions de scurit pour sondes quipes tenues la main pour mesurage et essais lectriques IEC61010-031A1:2008 AMENDMENT 1 AMENDEMENT 1 THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2008 IEC, Geneva, Switzerland All rights reserved. U
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17、on 1.0 2008-02INTERNATIONAL STANDARD NORME INTERNATIONALESafety requirements for electrical equipment for measurement, control and laboratory use Part 031: Safety requirements for hand-held probe assemblies for electrical measurement and test Rgles de scurit pour appareils lectriques de mesurage, de
18、 rgulation et de laboratoire Partie 031: Prescriptions de scurit pour sondes quipes tenues la main pour mesurage et essais lectriques INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE NICS 19.080 PRICE CODECODE PRIXISBN 2-8318-9600-2AMENDMENT 1 AMENDEMENT 1 2 61010
19、-031 Amend. 1 IEC:2008 FOREWORD This amendment has been prepared by IEC technical committee 66: Safety of measuring, control and laboratory equipment. The text of this amendment is based on the following documents: CDV Report on voting 66/383/CDV 66/394/RVC Full information on the voting for the app
20、roval of this amendment can be found in the report on voting indicated in the above table. The committee has decided that the contents of this amendment and the base publication will remain unchanged until the maintenance result date indicated on the IEC web site under http:/webstore.iec.ch in the d
21、ata related to the specific publication. At this date, the publication will be reconfirmed, withdrawn, replaced by a revised edition, or amended. _ Page 3 CONTENTS Replace the titles of 6.6 and 6.7, as follows: 6.6 Voltage tests 6.7 Constructional requirements Add, on page 5, the titles of new Claus
22、e 13 and Subclauses 13.1 and 13.2, new Figures 10, 11, and 12, and of new Table 9: 13 Prevention of HAZARD from arc flash and short-circuits 13.1 General 13.2 Exposed conductive parts Figure 10 Examples of type D PROBE ASSEMBLIES Figure 11 Treatment of the insulation of probe cable Figure 12 Pulley
23、for the treatment of Figure 11 Table 9 Forces for flexing/pull test for single core probe cable 61010-031 Amend. 1 IEC:2008 3 Page 11 1.1 Scope Add a new item d): d) Low-voltage attenuating and non-attenuating PROBE ASSEMBLIES (type D), that are RATED for direct connection only to voltages not excee
24、ding 33 V r.m.s., or 46,7 V peak, or 70 V d.c., and are suitable for currents exceeding 8 A. Amend the text of the first dashed item of the note as follows: are not within the definitions of types A, B, C, or D, or, 1.2 Object 1.2.1 Aspects included in scope Add a new item e): e) arc flash (see Clau
25、se 13). Page 15 3 Definitions 3.1.4 PROBE ASSEMBLY Replace the existing note with the following: NOTE See Figures 1, 2, and 10 for examples of PROBE ASSEMBLIES and an explanation of the function of their parts. Page 21 3.5.6 POLLUTION degree Replace the title and text with the following: POLLUTION D
26、EGREE a numeral indicating the level of POLLUTION that may be present in the environment 4 61010-031 Amend. 1 IEC:2008 3.5.6.1 POLLUTION degree 1 Replace the title with the following: POLLUTION DEGREE 1 3.5.6.2 POLLUTION degree 2 Replace the title with the following: POLLUTION DEGREE 2 3.5.6.3 POLLU
27、TION degree 3 Replace the title with the following: POLLUTION DEGREE 3 Page 25 Add the following new Figure 10 after Figure 2: 61010-031 Amend. 1 IEC:2008 5 1 2 3 1 1 3 3 2 IEC 076/08 Key 1 connector 2 jaw 3 hand-held area of crocodile clip or clamp Figure 10 Examples of type D PROBE ASSEMBLIES Page
28、 31 4.4.3 Duration of tests Replace the last sentence of the second paragraph with the following sentence: If the minimum operating current of the fuse is not reached in the test, the PROBE ASSEMBLY shall be operated for a period corresponding to the maximum fusing time or continuously for 1 h or 4
29、h, as specified above. 6 61010-031 Amend. 1 IEC:2008 Page 35 5.1.2 Identification In Table 1, replace row 7 with the following text: Number Symbol Reference Description 7 Not used Page 37 5.1.5 Parts protected by DOUBLE INSULATION or REINFORCED INSULATION Replace the existing title and text of the s
30、ubclause with the following: 5.1.5 Not used. 5.1.6 RATING Replace the first sentence of the third paragraph with: For type A and type D PROBE ASSEMBLIES only, the maximum RATED current of the PROBE ASSEMBLY shall be marked together with the maximum RATED voltage-to-earth. 5.2 Warning markings In the
31、 fourth paragraph of 5.2, on page 39, replace the reference to “9.2“ by “9.1“. Page 41 5.4.3 Operation Add an item i), as follows: i) a warning that the measurement category of a combination of a PROBE ASSEMBLY and an accessory is the lower of the measurement categories of the PROBE ASSEMBLY and of
32、the accessory. Page 43 6.2 Determination of ACCESSIBLE parts Delete the reference “(see 6.4, note 1)”, at the end of the first paragraph. 61010-031 Amend. 1 IEC:2008 7 Page 49 6.3.1.3 Capacitance Add a new last paragraph, as follows: See Figure 5. Page 51 6.3.2.3 Capacitance Replace the title of Fig
33、ure 5 by the following: Figure 5 Charged capacitance level in NORMAL CONDITION and SINGLE-FAULT CONDITION (see 6.3.1.3 and 6.3.2.3) Page 57 6.4.3 Cables Add a new item d), as follows: d) for type D PROBE ASSEMBLIES, 125 V. Replace the existing conformity statement with the following new conformity s
34、tatement: Conformity is checked by inspection, and by the voltage tests of 6.6 (without humidity preconditioning), using metal foil tightly wrapped around a 150 mm 20 mm length of cable. Test voltage values are based on the CLEARANCES of the probe listed in Table 3 for measurement categories II, III
35、 or IV, and on the calculation of 6.5.2.2 for measurement category I or if no category is specified. 6.4.4 PROBE TIPS Replace the existing text of 6.4.4 with the following text, but retain Figure 6: PROBE TIPS that may be HAZARDOUS LIVE during NORMAL USE shall meet the following requirements (see 6.
36、1.1). If a conductive part of a PROBE TIP can become HAZARDOUS LIVE, a BARRIER shall be fitted to reduce the danger of touching an exposed conductive part of the PROBE TIP, and to provide an indication of the limit beyond which it may be hazardous to touch the probe body during use. CLEARANCES and C
37、REEPAGE DISTANCES between the HAZARDOUS LIVE part of the PROBE TIP and the hand-held side of the BARRIER shall be those specified for REINFORCED INSULATION. Figure 6a gives an example of PROBE ASSEMBLIES with BARRIERS and indicates applicable CLEARANCES and CREEPAGE DISTANCES. 8 61010-031 Amend. 1 I
38、EC:2008 Spring-loaded squeeze PROBE ASSEMBLIES RATED for WORKING VOLTAGES up to 1 kV (see Figure 6b) are acceptable without a BARRIER provided that: a) actuation of the spring-loaded mechanism prevents the OPERATOR touching a HAZARDOUS LIVE part; and b) the CLEARANCE and CREEPAGE DISTANCE between th
39、e PROBE TIP and the nearest surface which the OPERATOR needs to touch to actuate the mechanism is increased by an additional protective distance of 45 mm. Insulated crocodile and similar clips (see Figure 6c) RATED for measurement category I or II which require finger pressure at about 90 to the axi
40、s of the clip are acceptable without a BARRIER, provided that there is a tactile indicator to indicate the limit of safe access for the OPERATOR. NOTE See Clause 13 for additional requirements for the exposed conductive parts of PROBE TIPS. Conformity is checked by inspection and measurement. Page 6
41、1 6.5 CLEARANCES and CREEPAGE DISTANCES Replace, in the first line of the first paragraph, the reference to “6.5.4” by “6.5.3”. 6.5.1.1 CLEARANCES Replace, on page 63, in the second line of the fifth paragraph, the words “dielectric strength test” with the words “voltage test”. Page 67 6.5.2.2 CLEAR
42、ANCE values for measurement category I Replace the note with the following note: NOTE The following is an example: CLEARANCE for REINFORCED INSULATION for a peak WORKING VOLTAGE of 3 500 V and a maximum transient overvoltage of 4 500 V. UM= UW+ Ut= (3 500 + 4 500) V = 8 000 V F = (1,25 UW/ UM) 0,25
43、= (1,25 3 500/8 000) 0,25 = 0,297 D1= 16,7 mm; D2= 29,5 mm (values for 8 000 1,6 = 12 800 V) CLEARANCE = D1+ F(D2 D1) = 16,7 + 0,297(29,5 16,7) = 16,7 + 3,8 = 20,5 mm 61010-031 Amend. 1 IEC:2008 9 Page 73 6.6 Dielectric strength tests Replace the existing title with: 6.6 Voltage tests Page 75 6.6.4
44、Voltage tests Replace the existing title with: 6.6.4 Test voltages In the fourth paragraph, replace “10 s” with “10 ms”. Page 79 6.7 Constructional requirements for protection against electric shock Replace the existing title with: 6.7 Constructional requirements Page 83 Table 8 Pull force for cable
45、 attachment Replace Table 8 with the following table: Cross section of the conductor (a) mm2Pull force N a 2,5 2,5 X mm” with the characters “ X mm”. In the figure for example 11, replace the characters “ X mm” with the characters “ X mm”. _ 16 61010-031 Amend. 1 CEI:2008 AVANT-PROPOS Le prsent amen
46、dement a t tabli par le comit dtudes 66 de la CEI: Scurit des appareils de mesure, de commande et de laboratoire. Le texte de cet amendement est issu des documents suivants: CDV Rapport de vote 66/383/CDV 66/394/RVC Le rapport de vote indiqu dans le tableau ci-dessus donne toute information sur le v
47、ote ayant abouti lapprobation de cet amendement. Le comit a dcid que le contenu de cet amendement et de la publication de base ne sera pas modifi avant la date de maintenance indique sur le site web de la CEI sous http:/webstore.iec.ch dans les donnes relatives la publication recherche. A cette date
48、, la publication sera reconduite, supprime, remplace par une dition rvise, ou amende. _ Page 2 SOMMAIRE Remplacer les titres existants des Paragraphes 6.6 et 6.7 comme suit: 6.6 Essais de tension 6.7 Exigences relatives la construction Ajouter, la page 4, les titres des nouveaux Article 13 et Paragraphes 13.1 et 13.2, des nouvelles Figures 10, 11 et 12, et du nouveau Tableau 9: 13 Prvention du DANGER darc lectrique et de courts-circuits 13.1 Gnralits 13.2 Parties conductrices expos
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