EN 61010-031:2002/A1:2008

SLOVENSKI STANDARD
01-julij-2008
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Safety requirements for electrical equipment for measurement, control and laboratory
use - Part 031: Safety requirements for hand-held probe assemblies for electrical
measurement and test
Sicherheitsbestimmungen für elektrische Mess-, Steuer-, Regel- und Laborgeräte - Teil
031: Sicherheitsbestimmungen für handgehaltenes Messzubehör zum Messen und
Prüfen
Règles de sécurité pour appareils électriques de mesurage, de régulation et de
laboratoire - Partie 031: Prescriptions de sécurité pour sondes équipées tenues à la main
pour mesurage et essais électriques
Ta slovenski standard je istoveten z: EN 61010-031:2002/A1:2008
ICS:
19.080 (OHNWULþQRLQHOHNWURQVNR Electrical and electronic
SUHVNXãDQMH testing
71.040.10 Kemijski laboratoriji. Chemical laboratories.
Laboratorijska oprema Laboratory equipment
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD
EN 61010-031/A1
NORME EUROPÉENNE
April 2008
EUROPÄISCHE NORM
ICS 19.080
English version
Safety requirements for electrical equipment for measurement,
control and laboratory use -
Part 031: Safety requirements for hand-held probe assemblies
for electrical measurement and test
(IEC 61010-031:2002/A1:2008)
Règles de sécurité pour appareils Sicherheitsbestimmungen für elektrische
électriques de mesurage, Mess-, Steuer-, Regel- und Laborgeräte -
de régulation et de laboratoire - Teil 031: Sicherheitsbestimmungen
Partie 031: Prescriptions de sécurité für handgehaltenes Messzubehör
pour sondes équipées tenues à la main zum Messen und Prüfen
pour mesurage et essais électriques (IEC 61010-031:2002/A1:2008)
(CEI 61010-031:2002/A1:2008)
This amendment A1 modifies the European Standard EN 61010-031:2002; it was approved by CENELEC on
2008-03-01. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which
stipulate the conditions for giving this amendment 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 Central Secretariat or to any CENELEC member.

This amendment 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
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, 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.

CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung

Central Secretariat: rue de Stassart 35, B - 1050 Brussels

© 2008 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 61010-031:2002/A1:2008 E

Foreword
The text of document 66/383/CDV, future amendment 1 to IEC 61010-031:2002, prepared by IEC TC 66,
Safety of measuring, control, and laboratory equipment, was submitted to the IEC-CENELEC parallel vote
and was approved by CENELEC as amendment A1 to EN 61010-031:2002 on 2008-03-01.
The following dates were fixed:
– latest date by which the amendment has to be
implemented at national level by publication of
an identical national standard or by endorsement (dop) 2008-12-01
– latest date by which the national standards conflicting
with the amendment have to be withdrawn (dow) 2011-03-01
__________
Endorsement notice
The text of amendment 1:2008 to the International Standard IEC 61010-031:2002 was approved by
CENELEC as an amendment to the European Standard without any modification.
__________
IEC 61010-031
Edition 1.0 2008-02
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
AMENDMENT 1
AMENDEMENT 1
Safety requirements for electrical equipment for measurement, control and
laboratory use –
Part 031: Safety requirements for hand-held probe assemblies for electrical
measurement and test
Règles de sécurité pour appareils électriques de mesurage, de régulation et de
laboratoire –
Partie 031: Prescriptions de sécurité pour sondes équipées tenues à la main
pour mesurage et essais électriques

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
N
CODE PRIX
ICS 19.080 ISBN 2-8318-9600-2
– 2 – 61010-031 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 approval 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 data 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 Clause 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 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 exceeding 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 Clause 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 DEGREE
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
POLLUTION 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 –

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 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 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 subclause 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 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 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 Figure 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 statement:
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 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 6.1.1).
If a conductive part of a PROBE TIP can become HAZARDOUS LIVE, a B
...