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SLOVENSKI STANDARD
01-marec-2022
Varnostne zahteve za električno opremo za meritve, nadzor in laboratorijsko
uporabo - 031. del: Varnostne zahteve za ročne sonde za električne meritve in
preskušanje - Dopolnilo A1 (IEC 61010-031:2015/A1:2018)
Safety requirements for electrical equipment for measurement, control and laboratory
use - Part 031: Safety requirements for hand-held and hand-manipulated probe
assemblies for electrical test and measurement (IEC 61010-031:2015/A1:2018)
Siicherheitsbestimmungen für elektrische Mess-, Steuer-, Regel- und Laborgeräte - Teil
031: Sicherheitsbestimmungen für handgehaltenes Messzubehör zum Messen und
Prüfen (IEC 61010-031:2015/A1:2018)
Exigences de sécurité pour appareils électriques de mesurage, de régulation et de
laboratoire - Partie 031: Exigences de sécurité pour sondes équipées portatives et
manipulées à la main pour mesurage et essais électriques (IEC 61010-
031:2015/A1:2018)
Ta slovenski standard je istoveten z: EN 61010-031:2015/A1:2021
ICS:
19.080 Električno in elektronsko Electrical and electronic
preskušanje 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 61010-031:2015/A1
NORME EUROPÉENNE
EUROPÄISCHE NORM
November 2021
ICS 19.080
English Version
Safety requirements for electrical equipment for measurement,
control and laboratory use - Part 031: Safety requirements for
hand-held and hand-manipulated probe assemblies for electrical
test and measurement
(IEC 61010-031:2015/A1:2018)
Exigences de sécurité pour appareils électriques de Sicherheitsbestimmungen für elektrische Mess-, Steuer-,
mesurage, de régulation et de laboratoire - Partie 031: Regel- und Laborgeräte - Teil 031:
Exigences de sécurité pour sondes équipées portatives et Sicherheitsbestimmungen für handgehaltenes
manipulées à la main pour mesurage et essais électriques Messzubehör zum Messen und Prüfen
(IEC 61010-031:2015/A1:2018) (IEC 61010-031:2015/A1:2018)
This amendment A1 modifies the European Standard EN 61010-031:2015; it was approved by CENELEC on 2018-07-03. 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 CEN-CENELEC
Management Centre 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 CEN-CENELEC Management Centre has the same status as
the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,
Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the
Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and the United Kingdom.
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2021 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN 61010-031:2015/A1:2021 E
European foreword
The text of document 66/664/FDIS, future IEC 61010-031/A1, 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/A1:2021.
The following dates are fixed:
• latest date by which the document has to be implemented at national (dop) 2022-05-12
level by publication of an identical national standard or by endorsement
• latest date by which the national standards conflicting with the (dow) 2024-11-12
document have to be withdrawn
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CENELEC shall not be held responsible for identifying any or all such patent rights.
This document has been prepared under a Standardization Request given to CENELEC by the
European Commission and the European Free Trade Association, and supports essential
requirements of EU Directive(s) / Regulation(s).
For the relationship with EU Directive(s) / Regulation(s), see informative Annex ZZ, which is an
integral part of EN 61010-031:2015/A11:2021.
Any feedback and questions on this document should be directed to the users’ national committee. A
complete listing of these bodies can be found on the CENELEC website.
Endorsement notice
The text of the International Standard IEC 61010-031/A1:2018 was approved by CENELEC as a
European Standard without any modification.
IEC 61010-031
Edition 2.0 2018-05
INTERNATIONAL
STANDARD
GROUP SAFETY PUBLICATION
AMENDMENT 1
Safety requirements for electrical equipment for measurement, control and
laboratory use –
Part 031: Safety requirements for hand-held and hand-manipulated probe
assemblies for electrical test and measurement
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 19.080
ISBN 978-2-8322-5745-6
– 2 – IEC 61010-031:2015/AMD1:2018
© IEC 2018
FOREWORD
This amendment has been prepared by IEC technical committee 66: Safety of measuring,
control and laboratory equipment.
The text of this standard is based on the following documents:
FDIS Report on voting
66/664/FDIS 66/670/RVD
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 stability date indicated on the IEC website 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.
A bilingual version of this publication may be issued at a later date.
_____________
Title
Replace the part title as follows:
Part 031: Safety requirements for hand-held and hand-manipulated
probe assemblies for electrical test and measurement
1 Scope and object
1.1.1 Probe assemblies included in scope
Figure 4 – Examples of Type D probe assemblies
Delete, in key 3, the words “or clamp”.
IEC 61010-031:2015/AMD1:2018 – 3 –
© IEC 2018
3 Terms and definitions
3.1.1
TERMINAL
Note 1 to entry:
Delete the word “connectors,”.
3.1.5
CONNECTOR
Delete, in the definition, the words “a CONNECTOR of” so that the end of the sentence will read:
“…to connect to a TERMINAL of the equipment or to another probe assembly”.
3.4.11
MEASUREMENT CATEGORY
Replace the existing text of the definition with the following:
classification of testing and measuring circuits according to the types of mains to which they
are intended to be connected
4 Tests
4.3.9 Duty cycle
Replace the existing title of 4.3.9 with the following:
4.3.9 Short-term or intermittent operation
4.4.4.2 Temperature
Replace the existing second paragraph with the following:
This temperature is determined by measuring the temperature rise of the surface or part and
adding it to the ambient temperature of 40 °C, or to the maximum RATED ambient temperature
if higher.
4.5.2 Fuses
Replace, in the fourth sentence of the second paragraph, the word “MAINS” (in SMALL CAPS)
with “mains” (in regular font).
5 Marking and documentation
5.1.5 RATING
Replace, in list item a) of the first paragraph, the words “(see also 5.4.3 f) and g))” with “(see
also 5.4.3 k))”.
– 4 – IEC 61010-031:2015/AMD1:2018
© IEC 2018
6 Protection against electric shock
6.2.2 Examination
Figure 6 – Methods for determination of ACCESSIBLE parts (see 6.2) and for voltage tests
(see 6.4.2)
Replace the existing subfigures 6c and 6d with the following new subfigures:
Connecting parts are partially mated so as just to make electrical contact while allowing maximum access to the
test finger.
Note the two possible positions of the test finger.
Figure 6c – Partially mated probe assemblies (see 6.2 and 6.4.2 b))
Key
F rigid test finger (see Figure B.1)
H potentially HAZARDOUS LIVE part
Note the two possible positions of the test finger.
Figure 6d – Unmated parts of a probe assembly (see 6.2 and 6.4.2 c))
6.3.4.1 General
Replace, in the first paragraph, the existing list with the following:
a) the probe body;
b) hand-held or hand-manipulated parts of each CONNECTOR;
± 20 mm of the PROBE WIRE or the maximum length of the cable whichever is
c) 150 mm
shorter;
d) other hand-held or hand-manipulated parts.
IEC 61010-031:2015/AMD1:2018 – 5 –
© IEC 2018
Figure 8 – Voltage and touch current measurement
Delete, in the text of key item 2c, the words “(see 12.3.2)”.
6.3.4.2 Probe assemblies with floating outer conductors
Figure 10 – Voltage and touch current measurement with shielded test probe
Delete, in the text of key item 2c, the words “(see 12.3.2)”.
6.3.4.3 High frequency test probes
Replace, in the fourth paragraph, “the circuit from A.3” with “the circuit from Figure A.3”.
6.4.1 General
Replace, in the third paragraph, the existing list with the following list:
a) DOUBLE INSULATION, consisting of BASIC INSULATION plus SUPPLEMENTARY INSULATION (see
6.4.6)
b) BASIC INSULATION plus impedance (see 6.4.4);
c) REINFORCED INSULATION (see 6.4.6);
d) PROTECTIVE IMPEDANCE (see 6.4.5).
6.4.2 CONNECTORS
Add, at the end of the sentence of 6.4.2 c) 2), “(see Figure 5)”.
6.4.3.2 Protection by a PROTECTIVE FINGERGUARD
Replace the existing third paragraph with the following:
The height of the PROTECTIVE FINGERGUARD from the side where the fingers are intended to be
applied shall be at least 2 mm.
6.4.3.4 Protection by tactile indicator
Replace the existing first paragraph with the following:
SPRING-LOADED CLIPS RATED for MEASUREMENT CATEGORY II or without MEASUREMENT CATEGORY
for maximum 300 V which require finger pressure at about 90° to the axis of the clip are
acceptable without a PROTECTIVE FINGERGUARD, provided that there is a tactile indicator to
indicate the limit of safe access for the OPERATOR.
– 6 – IEC 61010-031:2015/AMD1:2018
© IEC 2018
6.4.3.5 PROBE TIPS used as CONNECTORS
Replace the text with the following text:
PROBE TIPS which can be used as CONNECTORS and are intended to be connected to specified
accessories (for example to a SPRING-LOADED CLIP) shall, in combination with those
accessories, also meet the requirements for CONNECTORS in fully-mated position and partially-
mated position (see 6.4.2 a) and b)).
6.5.1.2.4 SOLID INSULATION
Delete the entire subclause including Table 4, Table 5, Figure 15, Figure 16 and Figure 17.
Add the following new subclause:
6.5.1.3 Solid insulation
The term “solid insulation” is used to describe many different types of construction, including
monolithic blocks of insulating material and insulation subsystems composed of multiple
insulating materials, organized in layers or otherwise.
The electric strength of a thickness of solid insulation is considerably greater than that of the
same thickness of air. The insulating distances through solid insulation are therefore typically
smaller than the distances through air. As a result, electric fields in solid insulation are
typically higher, and often are less homogeneous.
Solid insulation material may contain gaps or voids. When a solid insulation system is
constructed from layers of solid materials, there are also likely to be gaps or voids between
layers. These voids will perturb the electric field so that a disproportionately large part of the
electric field is located in the void, potentially causing ionization within the void, resulting in
partial discharge. These partial discharges will influence the adjacent solid insulation and may
reduce its service life.
Solid insulation is not a renewable medium: damage is cumulative over the life of the
equipment. Solid insulation is also subject to ageing and to degradation from repeated high
voltage testing.
Conformity is checked as specified in 6.5.2.5 and 6.5.2.6.
6.5.2.2 CLEARANCES for probe assemblies of MEASUREMENT CATEGORIES II, III and IV
Replace the existing Table 6 with the following:
IEC 61010-031:2015/AMD1:2018 – 7 –
© IEC 2018
Table 6 – CLEARANCES of probe assemblies RATED for MEASUREMENT CATEGORIES
Nominal a.c. r.m.s. CLEARANCE
line-to-neutral or
d.c. voltage of mm
mains to which the
BASIC INSULATION
probe assembly is
REINFORCED INSULATION
and SUPPLEMENTARY INSULATION
designed to be
connected
MEASUREMENT MEASUREMENT MEASUREMENT MEASUREMENT MEASUREMENT MEASUREMENT
CATEGORY II CATEGORY III CATEGORY IV CATEGORY II CATEGORY III CATEGORY IV
V
0,04 0,1 0,5 0,10 0,32 1,4
≤ 50
> 50 ≤ 100 0,1 0,5 1,5 0,32 1,4 3,0
> 100 ≤ 150 0,5 1,5 3,0 1,4 3,0 6,0
1,5 3,0 5,5 3,0 6,0 10,4
> 150 ≤ 300
3,0 5,5 8 6,0 10,4 15
> 300 ≤ 600
> 600 ≤ 1 000 5,5 8 14 10,4 15 23,9
8 11 18 16 22 36
> 1 000 ≤ 1 500
14 18 22 28 36 44
> 1 500 ≤ 2 000
> 2 000 ≤ 3 000 18 22 25 36 44 50
Replace, in the conformity statement, the word “clearance” with “CLEARANCE” (in SMALL CAPS).
6.
...