Safety requirements for electrical equipment for measurement, control and laboratory use - Part 2-010: Particular requirements for laboratory equipment for the heating of materials

IEC 61010-2-010:2019 is available as IEC 61010-2-010:2019 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
IEC 61010-2-010:2019 specifies particular safety requirements for the following types a) to c) of electrical equipment and their accessories, wherever they are intended to be used, whenever the heating of materials is one of the functions of the equipment.
a) Electrical test and measurement equipment
This is equipment which by electromagnetic means tests, measures, indicates or records
one or more electrical or physical quantities, also non-measuring equipment such as
signal generators, measurement standards, power supplies for laboratory use,
transducers, transmitters, etc.
b) Electrical industrial process-control equipment
This is equipment which controls one or more output quantities to specific values, with
each value determined by manual setting, by local or remote programming, or by one or
more input variables.
c) Electrical laboratory equipment
This is equipment which measures, indicates, monitors, inspects or analyses materials, or
is used to prepare materials, and includes in vitro diagnostic (IVD) equipment. This fourth edition cancels and replaces the third edition published in 2014. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
a) alignment with changes introduced by Amendment 1 of IEC 61010-1:2010;
b) alignment with IEC 61010-2-011 and IEC 61010-2-012:
- new matching Introduction clarifying which standard(s) to use;
- new 5.4.101 instructions for flammable liquid;
- subclause 9.5 on flammable liquids replaced with text from IEC 61010-2-012;
c) subclause 5.2.101 deleted;
d) requirements in 10.101 b) and c) clarified.
It has the status of a group safety publication in accordance with IEC Guide 104.

Exigences de sécurité pour appareils électriques de mesurage, de régulation et de laboratoire - Partie 2-010: Exigences particulières pour appareils de laboratoire utilisés pour l'échauffement des matières

IEC 61010-2-010:2019 est disponible sous forme de IEC 61010-2-010:2019 RLV qui contient la Norme internationale et sa version Redline, illustrant les modifications du contenu technique depuis l'édition précédente.
L'IEC 61010-2-010:2019 spécifie les exigences de sécurité particulières pour les appareils électriques et leurs accessoires des types a) à c) suivants, quelle que soit l'utilisation à laquelle ils sont destinés, lorsque l'échauffement des matières est l'une des fonctions de l'appareil.
a) Appareils électriques d'essai et de mesurage
Il s'agit d'appareils qui, par des moyens d'ordre électromagnétique, mesurent, indiquent ou enregistrent une ou plusieurs grandeurs électriques ou physiques, ainsi que des appareils non-mesureurs tels que générateurs de signaux, étalons de mesure, alimentations de puissance de laboratoire, transducteurs, transmetteurs, etc.
b) Appareils électriques de contrôle de procédés industriels
Il s'agit d'appareils qui règlent une ou plusieurs grandeurs de sortie selon des valeurs spécifiques, chaque valeur étant déterminée par réglage manuel, par programmation locale ou à distance, ou par une ou plusieurs variables d'entrée.
c) Appareils électriques de laboratoire
Il s'agit d'appareils qui mesurent, indiquent, surveillent, inspectent ou analysent des matériaux, ou qui servent à préparer des matériaux, y compris les appareils de diagnostic in vitro (DIV). Cette quatrième édition annule et remplace la troisième édition parue en 2014. Cette édition constitue une révision technique. Cette édition inclut les modifications techniques majeures suivantes par rapport à l'édition précédente:
a) alignement sur les modifications introduites par l'Amendement 1 de l'IEC 61010-1:2010;
b) alignement sur l'IEC 61010-2-011 et l'IEC 61010-2-012:
- nouvelle Introduction précisant la ou les normes à utiliser;
- nouvelles instructions en 5.4.101 relatives aux liquides inflammables;
- le paragraphe 9.5 relatif aux liquides inflammables a été remplacé par le texte de l'IEC 61010-2-012;
c) le paragraphe 5.2.101 a été supprimé:
d) les exigences de 10.101 b) et c) ont été précisées;

General Information

Status
Published
Publication Date
11-Feb-2019
Current Stage
PPUB - Publication issued
Completion Date
12-Feb-2019
Ref Project

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IEC 61010-2-010
Edition 4.0 2019-02
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
GROUP SAFETY PUBLICATION
PUBLICATION GROUPÉE DE SÉCURITÉ
Safety requirements for electrical equipment for measurement, control and
laboratory use –
Part 2-010: Particular requirements for laboratory
equipment for the heating of materials
Exigences de sécurité pour appareils électriques de mesurage, de régulation et
de laboratoire –

Partie 2-010: Exigences particulières pour appareils de laboratoire utilisés pour

l'échauffement des matières
IEC 61010-2-010:2019-02(en-fr)
---------------------- Page: 1 ----------------------
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---------------------- Page: 2 ----------------------
IEC 61010-2-010
Edition 4.0 2019-02
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
GROUP SAFETY PUBLICATION
PUBLICATION GROUPÉE DE SÉCURITÉ
Safety requirements for electrical equipment for measurement, control and
laboratory use –
Part 2-010: Particular requirements for laboratory
equipment for the heating of materials
Exigences de sécurité pour appareils électriques de mesurage, de régulation et
de laboratoire –

Partie 2-010: Exigences particulières pour appareils de laboratoire utilisés pour

l'échauffement des matières
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 19.080; 71.040.20 ISBN 978-2-8322-6502-4

Warning! Make sure that you obtained this publication from an authorized distributor.

Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agréé.

® Registered trademark of the International Electrotechnical Commission
Marque déposée de la Commission Electrotechnique Internationale
---------------------- Page: 3 ----------------------
– 2 – IEC 61010-2-010:2019 © IEC 2019
CONTENTS

FOREWORD ........................................................................................................................... 3

INTRODUCTION ..................................................................................................................... 6

1 Scope and object ............................................................................................................. 9

2 Normative references ...................................................................................................... 9

3 Terms and definitions .................................................................................................... 10

4 Tests ............................................................................................................................. 10

5 Marking and documentation ........................................................................................... 10

6 Protection against electric shock ................................................................................... 14

7 Protection against mechanical HAZARDS ......................................................................... 16

8 Resistance to mechanical stresses ................................................................................ 16

9 Protection against the spread of fire .............................................................................. 17

10 Equipment temperature limits and resistance to heat ..................................................... 18

11 Protection against HAZARDS from fluids and solid foreign objects ................................... 19

12 Protection against radiation, including laser sources, and against sonic and

ultrasonic pressure ........................................................................................................ 20

13 Protection against liberated gases and substances, explosion and implosion ................ 20

14 Components and subassemblies ................................................................................... 21

15 Protection by interlocks ................................................................................................. 22

16 HAZARDS resulting from application ................................................................................ 22

17 RISK assessment ........................................................................................................... 22

Annexes ............................................................................................................................... 23

Annex K (normative) Insulation requirements not covered by 6.7 ......................................... 24

Bibliography .......................................................................................................................... 25

Figure 101 – Schema of a refrigerating system incorporating a condenser .............................. 7

Figure 102 – Flow chart illustrating the selection process ....................................................... 8

Table 1 – Symbols ................................................................................................................ 10

Table 101 – Time-temperature conditions ............................................................................. 20

---------------------- Page: 4 ----------------------
IEC 61010-2-010:2019 © IEC 2019 – 3 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
SAFETY REQUIREMENTS FOR ELECTRICAL EQUIPMENT
FOR MEASUREMENT, CONTROL AND LABORATORY USE –
Part 2-010: Particular requirements for laboratory
equipment for the heating of materials
FOREWORD

1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising

all national electrotechnical committees (IEC National Committees). The object of IEC is to promote

international co-operation on all questions concerning standardization in the electrical and electronic fields. To

this end and in addition to other activities, IEC publishes International Standards, Technical Specifications,

Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as "IEC

Publication(s)"). Their preparation is entrusted to technical committees; any IEC National Committee interested

in the subject dealt with may participate in this preparatory work. International, governmental and non-

governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely

with the International Organization for Standardization (ISO) in accordance with conditions determined by

agreement between the two organizations.

2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international

consensus of opinion on the relevant subjects since each technical committee has representation from all

interested IEC National Committees.

3) IEC Publications have the form of recommendations for international use and are accepted by IEC National

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between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in

the latter.

5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity

assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any

services carried out by independent certification bodies.

6) All users should ensure that they have the latest edition of this publication.

7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and

members of its technical committees and IEC National Committees for any personal injury, property damage or

other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and

expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC

Publications.

8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is

indispensable for the correct application of this publication.

9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of

patent rights. IEC shall not be held responsible for identifying any or all such patent rights.

International Standard IEC 61010-2-010 has been prepared by IEC technical committee 66:

Safety of measuring, control and laboratory equipment.

It has the status of a group safety publication in accordance with IEC Guide 104.

This fourth edition cancels and replaces the third edition published in 2014. This edition

constitutes a technical revision.

This edition includes the following significant technical changes with respect to the previous

edition:
a) alignment with changes introduced by Amendment 1 of IEC 61010-1:2010;
b) alignment with IEC 61010-2-011 and IEC 61010-2-012:
---------------------- Page: 5 ----------------------
– 4 – IEC 61010-2-010:2019 © IEC 2019
– new matching Introduction clarifying which standard(s) to use;
– new 5.4.101 instructions for flammable liquid HEAT TRANSFER MEDIUM;
– subclause 9.5 on flammable liquids replaced with text from IEC 61010-2-012;
c) subclause 5.2.101 deleted;
d) requirements in 10.101 b) and c) clarified.
The text of this International Standard is based on the following documents:
CDV Report on voting
66/657/CDV 66/678/RVC

Full information on the voting for the approval of this International Standard can be found in

the report on voting indicated in the above table.

This document has been drafted in accordance with the ISO/IEC Directives, Part 2.

A list of all parts of the IEC 61010 series, published under the general title: Safety

requirements for electrical equipment for measurement, control, and laboratory use, can be

found on the IEC website.

This Part 2-010 is to be used in conjunction with the latest edition of IEC 61010-1. It was

established on the basis of the third edition (2010) and its Amendment 1 (2016), hereinafter

referred to as Part 1.

This Part 2-010 supplements or modifies the corresponding clauses in IEC 61010-1 so as to

convert that publication into the IEC standard: Particular requirements for laboratory

equipment for the heating of materials.

Where a particular subclause of Part 1 is not mentioned in this Part 2-010, that subclause

applies as far as is reasonable. Where this Part 2-010 states "addition", "modification",

"replacement", or "deletion" the relevant requirement, test specification or note in Part 1

should be adapted accordingly.
In this standard:
1) the following print types are used:
– requirements: in roman type;
– NOTES in small roman type;
– conformity and test: in italic type;
– terms used throughout this standard which have been defined in Clause 3: SMALL
ROMAN CAPITALS;

2) subclauses, figures, tables and notes which are additional to those in Part 1 are numbered

starting from 101. Additional annexes are lettered starting from AA.
---------------------- Page: 6 ----------------------
IEC 61010-2-010:2019 © IEC 2019 – 5 –

The committee has decided that the contents of this document will remain unchanged until the

stability date indicated on the IEC web site under "http://webstore.iec.ch" in the data related

to the specific document. At this date, the document will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.

IMPORTANT – The 'colour inside' logo on the cover page of this publication indicates

that it contains colours which are considered to be useful for the correct

understanding of its contents. Users should therefore print this document using a

colour printer.
---------------------- Page: 7 ----------------------
– 6 – IEC 61010-2-010:2019 © IEC 2019
INTRODUCTION

This Part 2-010, Part 2-011 and Part 2-012, taken together, address the specific HAZARDS

associated with the heating and cooling of materials by equipment and are organized as

follows:

Specifically addresses the HAZARDS associated with equipment incorporating heating

IEC 61010-2-010
systems.
Specifically addresses the HAZARDS associated with equipment incorporating
IEC 61010-2-011
refrigerating systems.
Specifically addresses the HAZARDS associated with equipment incorporating both

heating and refrigerating systems that interact with each other such that the combined

heating and cooling system yield additional or more severe HAZARDS for the two
IEC 61010-2-012

systems than if treated separately. It also addresses the HAZARDS associated with the

treatment of materials by other factors like irradiation, excessive humidity, CO2 and

mechanical movement, etc.
Guidance for the application of the appropriate Part 2 standard(s)

When the equipment includes only a material heating system, and no refrigerating system or

other environmental factors apply, then Part 2-010 applies without needing Part 2-011 or

Part 2-012. Similarly, when the equipment includes only a refrigerating system, and no

material heating system or other environmental factors apply, then Part 2-011 applies without

needing Part 2-010 or Part 2-012. However, when the equipment incorporates both a material

heating system, and a refrigerating system or the materials being treated in the intended

application introduce significant heat into the refrigerating system, a determination should be

made as to whether the interaction between the two systems will generate additional or more

severe HAZARDS than if the systems were evaluated separately (controlled temperature, see

flow chart of Figure 102 for selection process). If the interaction of the heating and cooling

functions yields no additional or more severe HAZARDS, then both Part 2-010 and Part 2-011

HAZARDS result
apply for their respective functions. Conversely, if additional or more severe

from the combining of the heating and cooling functions, or if the equipment incorporates

additional material treatment factors, then Part 2-012 applies, but not Part 2-010 or Part 2-011.

What HAZARDS are applicable for a refrigerating system?
The typical HAZARDS for a refrigerating system (see Figure 101) consisting of a

motor-compressor, a condenser, an expansion device and an evaporator include but are not

limited to:

– The maximum temperature of low-pressure side (return temperature) to the motor-

compressor. A motor-compressor incorporates a refrigerant cooled motor and it must be

established that the maximum temperatures of low-pressure side under least favourable

RATINGS within the motor.
condition do not exceed the insulation

– The maximum pressure of low-pressure side at the inlet to the motor-compressor. The

housing of the motor-compressor is exposed to this pressure and so the design RATING of

the motor-compressor housing must accommodate the worst-case pressures whilst
providing the correct safety margin for a pressure vessel.

– The maximum temperature of high-pressure side to the condenser. The temperatures of

the high-pressure side under most unfavourable conditions may present a temperature

HAZARD if the OPERATOR is exposed to them or if the electrical insulation is degraded.

– The maximum pressure of high-pressure side at the outlet to the motor-compressor. The

refrigerant components downstream of the motor-compressor up to the expansion device

are exposed to this pressure and so the design RATING of these components must

accommodate the worst-case pressures whilst providing the appropriate safety margin for

a pressure vessel.

– The maximum controlled temperatures, namely, the soaked temperature conditions, where

the heat is being extracted from, may impact the maximum temperature of low-pressure

side to the motor-compressor as well as present a temperature HAZARD if the OPERATOR is

---------------------- Page: 8 ----------------------
IEC 61010-2-010:2019 © IEC 2019 – 7 –

exposed to them or if the electrical insulation is degraded. Whether this controlled

temperature is derived from an integral heating function of the device or from the heat

dissipated from the material being cooled, the impact under worst-case conditions should

be evaluated.

– The current draw of the equipment should be established when including the worst-case

running conditions of the refrigerating system including any defrost cycles that may apply.

The worst-case conditions need to be determined for the equipment and will include both the

least favourable NORMAL USE conditions as well as the most unfavourable testing results under

SINGLE FAULT CONDITIONS.
Figure 101 – Schema of a refrigerating system incorporating a condenser
---------------------- Page: 9 ----------------------
– 8 – IEC 61010-2-010:2019 © IEC 2019

The selection process is illustrated in the following flow chart (see Figure 102).

Figure 102 – Flow chart illustrating the selection process
---------------------- Page: 10 ----------------------
IEC 61010-2-010:2019 © IEC 2019 – 9 –
SAFETY REQUIREMENTS FOR ELECTRICAL EQUIPMENT
FOR MEASUREMENT, CONTROL AND LABORATORY USE –
Part 2-010: Particular requirements for laboratory
equipment for the heating of materials
1 Scope and object
This clause of Part 1 is applicable except as follows:
1.1.1 Equipment included in scope
Replacement:
Replace the second paragraph by the following:

This part of IEC 61010 specifies particular safety requirements for the following types a) to c)

of electrical equipment and their accessories, wherever they are intended to be used,

whenever the heating of materials is one of the functions of the equipment.
Addition:
Add the following text after item c):

It is possible that all or part of the equipment falls within the scope of one or more other

Part 2 standards of IEC 61010 as well as within the scope of this standard. In that case, the

requirements of those other Part 2 standards will also apply. In particular, if equipment is

intended to be used for in vitro diagnostic (IVD) purposes, the requirements of

IEC 61010-2-101 will also apply. However, when the equipment incorporates a refrigerating

system and a heating function where the combination of the two introduces additional or more

severe HAZARDS than if treated separately, then it is possible that IEC 61010-2-012 is

applicable instead of this Part 2-010.

See further information in the flow chart (Figure 102) for the selection process and the

guidance in the Introduction.
1.1.2 Equipment excluded from scope
Addition:
Add the following items after item j):
aa) equipment for the heating and ventilation of laboratories;
bb) sterilizing equipment;

cc) heating and/or cooling equipment which the OPERATOR is intended to enter, and which is

large enough for the OPERATOR to remain inside with the door or doors closed.
2 Normative references
This clause of Part 1 is applicable, except as follows:
Addition:
Add the following reference to the list:
---------------------- Page: 11 ----------------------
– 10 – IEC 61010-2-010:2019 © IEC 2019

ISO 7010, Graphical symbols – Safety colours and safety signs – Registered safety signs

(available at https://www.iso.org/obp)
3 Terms and definitions
This clause of Part 1 is applicable except as follows:
3.2 Parts and accessories
Addition:
Add the following new term and definition:
3.2.101
HEAT TRANSFER MEDIUM
medium used to transfer heat to the material being processed
4 Tests
This clause of Part 1 is applicable except as follows:
4.4.2.11 Heating devices
Addition:
Add the following new text after the existing text:

If a HAZARD could be caused by over-filling or under-filling with a liquid HEAT TRANSFER MEDIUM,

the equipment shall be tested when it is empty, partially filled, or overfilled, whichever is least

favourable. In case of doubt, the test shall be carried out in more than one condition. The

HEAT TRANSFER MEDIUM used for the test shall be of a type specified for NORMAL USE.

5 Marking and documentation
This clause of Part 1 is applicable except as follows:
5.1.3 MAINS supply
Addition:
Add the following new text to the end of item c):

If, for periods of 1 min or less after switching on, the actual power or current can be much

higher than the marked maximum RATED power or current, the short-term maximum may be

marked in brackets after the maximum RATED power or current.
Table 1 – Symbols
Addition:
Add the following new symbol to Table 1:
---------------------- Page: 12 ----------------------
IEC 61010-2-010:2019 © IEC 2019 – 11 –
Number Symbol Publication Description
Background colour
Warning;
– yellow (optional, not green); ISO 7010-W021:2011-
101
symbol and outline 05
Flammable material
– black (optional).
5.1.6 Switches and circuit-breakers
Addition:

Add the following new text after the last paragraph, before the conformity statement:

For ovens and similar equipment, there shall be an indication of the "ON" condition on each

side of the equipment which has a door in it or has any other opening intended for loading

material.
5.4.3 Equipment installation
Replacement:
Replace the text with the following new text:

The documentation shall include installation and specific commissioning instructions and, if

necessary for safety, warnings against HAZARDS which could arise during installation or

commissioning or as a result of improper installation or commissioning of the equipment. Such

information includes, if applicable:

a) assembly, location and mounting requirements. If a HAZARD could be caused by hot items

falling from the equipment, for example when a door is opened, there shall be a warning

that the equipment shall not be mounted on a surface of flammable material;
b) instructions for protective earthing;

c) connections to the supply, and for equipment in which HAZARDOUS LIVE parts may need to

be ACCESSIBLE (see 6.1.2), a statement requiring the fitting of a residual current-operated

circuit-breaker;
d) for PERMANENTLY CONNECTED EQUIPMENT:
1) supply wiring requirements;

2) requirements for any external switch or circuit-breaker (see 6.11.3.1) and external

overcurrent protection devices (see 9.6.2), and a recommendation that the switch or

circuit-breaker be near the equipment;
e) ventilation requirements;

f) requirements and safety characteristics for special external services, for example:

maximum and minimum temperatures, pressure, or flow of air or cooling liquid.

g) the maximum sound level produced by equipment which emits sound, if measurement is

required by 12.5.1;
h) instructions relating to sound level (see 12.5.1);
i) any requirement for drying-out (see 5.4.3.101);

j) if the heating of materials could lead to liberation of hazardous substances: installation

instructions shall warn of any need for an extraction system, additional temperature-

limiting devices relating to safe temperatures for the materials, or other necessary

measures (see also Note 2 to 5.4.1).

NOTE An extraction system is a system which removes air from the building, not a recirculating system.

---------------------- Page: 13 ----------------------
– 12 – IEC 61010-2-010:2019 © IEC 2019

It is recommended to add a statement in the documentation for the installation that the safety

of any system incorporating the equipment is the responsibility of the assembler of the system.

Conformity is checked by inspection.
Addition:
Add the following new subclause:
5.4.3.101 Drying-out

If, after transport or storage in humid conditions, equipment could fail to meet all the safety

requirements of this document, the installation instructions shall specify a period of operation

to dry out the equipment and restore it to NORMAL CONDITION. The instructions shall include

a warning that the equipment cannot be assumed to meet all the safety requirements of this

document during the drying-out process.
Conformity is checked by inspection.
5.4.4 Equipment operation
Addition:
Add the following at the end of item g):
(see 5.4.4.101);
Add the following after item j):
OPERATOR when HAZARDOUS LIVE parts
aa) specification of additional protection needed by the
are permitted to be ACCESSIBLE (see 6.1.2.101);

bb) a warning about any possible HAZARDS of explosion, implosion, or the release of toxic or

flammable gases arising from the materials being heated see also 5.4.4 h));

cc) specification of HEAT TRANSFER MEDIA which are suitable for use, for example liquids for

use in a heating bath;
dd) specific requirements for ventilation.
Addition:
Add the following new subclause:
5.4.4.101 Clea
...

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