prEN IEC 61010-2-012:2025

Safety requirements for electrical equipment for measurement, control, and laboratory use - Part 2-012: Particular requirements for climatic and environmental testing and other temperature conditioning equipment

Exigences de sécurité pour appareils électriques de mesurage, de régulation et de laboratoire - Partie 2-012: Exigences particulières pour appareils d'essais climatiques et d'environnement, et autres appareils de conditionnement de température

Varnostne zahteve za električno opremo za meritve, nadzor in laboratorijsko uporabo - 2-012. del: Posebne zahteve za opremo za klimatska in okoljska preskušanja ter drugo opremo za uravnavanje temperature

General Information

• Status: Not Published
• Publication Date: 03-Mar-2027
• ICS: 19.080 - Electrical and electronic testing
• Technical Committee: CLC/TC 66X - Safety of measuring, control, and laboratory equipment
• Current Stage: 4020 - Enquiry circulated - Enquiry
• Start Date: 15-Aug-2025
• Due Date: 28-Feb-2025
• Completion Date: 15-Aug-2025
• Directive: 2014/35/EU - Directive 2014/35/EU of the European Parliament and of the Council of 26 February 2014 on the harmonisation of the laws of the Member States relating to the making available on the market of electrical equipment designed for use within certain voltage limits
• Mandate: M/511 - Mandate to CEN, CENELEC and ETSI relating to harmonised standards in the field of the Low Voltage Directive
• Ref Project: oSIST prEN IEC 61010-2-012:2025 - Safety requirements for electrical equipment for measurement, control, and laboratory use - Part 2-012: Particular requirements for climatic and environmental testing and other temperature conditioning equipment

Relations

• Revises: EN IEC 61010-2-012:2022/A11:2022 - Safety requirements for electrical equipment for measurement, control and laboratory use - Part 2-012: Particular requirements for climatic and environmental testing and other temperature conditioning equipment
• Effective Date: 20-Feb-2024
• Revises: EN IEC 61010-2-012:2022 - Safety requirements for electrical equipment for measurement, control and laboratory use - Part 2-012: Particular requirements for climatic and environmental testing and other temperature conditioning equipment
• Effective Date: 20-Feb-2024

Standards Content (Sample)

SLOVENSKI STANDARD
01-oktober-2025
Varnostne zahteve za električno opremo za meritve, nadzor in laboratorijsko
uporabo - 2-012. del: Posebne zahteve za opremo za klimatska in okoljska
preskušanja ter drugo opremo za uravnavanje temperature
Safety requirements for electrical equipment for measurement, control, and laboratory
use - Part 2-012: Particular requirements for climatic and environmental testing and other
temperature conditioning equipment
Exigences de sécurité pour appareils électriques de mesurage, de régulation et de
laboratoire - Partie 2-012: Exigences particulières pour appareils d'essais climatiques et
d'environnement, et autres appareils de conditionnement de température
Ta slovenski standard je istoveten z: prEN IEC 61010-2-012:2025
ICS:
19.080 Električno in elektronsko Electrical and electronic
preskušanje testing
27.200 Hladilna tehnologija Refrigerating technology
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.

66/860/CDV
COMMITTEE DRAFT FOR VOTE (CDV)
PROJECT NUMBER:
IEC 61010-2-012 ED3
DATE OF CIRCULATION: CLOSING DATE FOR VOTING:
2025-08-15 2025-11-07
SUPERSEDES DOCUMENTS:
66/847/CD, 66/857/CC
IEC TC 66 : SAFETY OF MEASURING, CONTROL AND LABORATORY EQUIPMENT
SECRETARIAT: SECRETARY:
United Kingdom Ms Stephanie Lavy
OF INTEREST TO THE FOLLOWING COMMITTEES: HORIZONTAL FUNCTION(S):
TC 66 Horizontal Group Safety
ASPECTS CONCERNED:
Safety
SUBMITTED FOR CENELEC PARALLEL VOTING NOT SUBMITTED FOR CENELEC PARALLEL VOTING
Attention IEC-CENELEC parallel voting
The attention of IEC National Committees, members of
CENELEC, is drawn to the fact that this Committee Draft
for Vote (CDV) is submitted for parallel voting.
The CENELEC members are invited to vote through the
CENELEC online voting system.
This document is still under study and subject to change. It should not be used for reference purposes.
Recipients of this document are invited to submit, with their comments, notification of any relevant patent rights of
which they are aware and to provide supporting documentation.
Recipients of this document are invited to submit, with their comments, notification of any relevant “In Some
Countries” clauses to be included should this proposal proceed. Recipients are reminded that the CDV stage is the
final stage for submitting ISC clauses. (SEE AC/22/2007 OR NEW GUIDANCE DOC).

TITLE:
Safety requirements for electrical equipment for measurement, control, and laboratory use - Part
2-012: Particular requirements for climatic and environmental testing and other temperature
conditioning equipment
PROPOSED STABILITY DATE: 2030
NOTE FROM TC/SC OFFICERS:
electronic file, to make a copy and to print out the content for the sole purpose of preparing National Committee positions.
You may not copy or "mirror" the file or printed version of the document, or any part of it, for any other purpose without
permission in writing from IEC.

IEC CDV 61010-2-012 © IEC 2025
1 CONTENTS
2 CONTENTS . 1
3 FOREWORD . 9
4 INTRODUCTION . 12
5 1. Scope and object . 16
6 1.1.1 Equipment included in scope . 16
7 1.1.2 Equipment excluded from scope . 17
8 1.2 Object . 17
9 1.2.1 Aspects included in scope . 17
10 2. Normative references . 17
11 3. Terms and definitions . 18
12 3.1 Equipment and states of equipment . 18
13 3.2 Parts and accessories . 20
14 3.3 Quantities . 26
15 3.5 Safety terms . 26
16 4. Tests . 28
17 4.3 Reference test conditions . 28
18 4.3.1 Environmental conditions . 28
19 4.3.2 State of equipment . 28
20 4.3.2.1 General . 28
21 4.3.2.101 Heat load . 29
22 4.3.2.102 Humidity and steam . 29
23 4.3.2.103 Lamp and lamp systems . 29
24 4.3.2.104 MECHANICAL MOVEMENT . 29
25 4.3.2.105 Spray generating systems . 29
26 4.3.2.106 VENTILATORS . 29
27 4.3.2.107 Pressures other than those of REFRIGERANT . 30
28 4.3.2.108 REFRIGERANT pressure . 30
29 4.3.2.109 Exhaust and condensate . 30
30 4.3.2.110 Filling and draining systems . 30
31 4.3.2.111 Circulating system . 30
32 4.3.2.112 Gas HEAT TRANSFER MEDIUM . 30
33 4.3.2.113 Properties of liquid HEAT TRANSFER MEDIUM . 30
34 4.3.2.114 Refrigerating equipment intended to be used with other equipment inside
35 the refrigerated compartment . 30
36 4.3.2.115 MOTOR-COMPRESSOR . 30
37 4.4.2 Application of fault conditions . 31
38 4.4.2.10 Cooling . 31
39 4.4.2.11 Heating devices . 32
40 4.4.2.101 MOTOR-COMPRESSOR . 32
41 4.4.2.102 Fluid leakage in the equipment . 32
42 4.4.2.103 Solenoid valve and motorized valve. . 32
43 4.4.2.104 Failure of temperature control . 32
44 4.4.2.105 HUMIDIFIER and dehumidifier . 33
45 4.4.2.106 Speed controller . 33
46 4.4.2.107 Simulate the failure of the controlled and/or restricted environment . 33
47 4.4.3 Duration of tests . 33
IEC CDV 61010-2-012 © IEC 2025
48 4.4.3.1 General . 33
49 4.4.4 Conformity after application of fault conditions . 34
50 4.4.4.1 General . 34
51 5. Marking and documentation . 34
52 5.1.5 TERMINALS, connections and operating devices . 34
53 5.1.5.101 LIQUID CONNECTIONS for HEAT TRANSFER MEDIUM . 34
54 5.1.5.102 LIQUID CONNECTION for filling of BATH TANKS with enclosed CIRCULATORS . 34
55 5.1.5.103 Other LIQUID CONNECTIONS and exhaust opening . 34
56 5.1.5.104 Equipotential TERMINALS . 35
57 5.1.101 Marking for equipment incorporating a REFRIGERANT CIRCUIT . 35
58 5.1.102 Symbols particular to heating and cooling equipment . 36
59 5.2 Warning markings . 36
60 5.2.101 Warning markings for hot surface and/or cold surface . 36
61 5.2.102 Warning markings for GROUP I EQUIPMENT . 36
62 5.2.103 Waning markings for equipment incorporating MECHANICAL MOVEMENT . 37
63 5.2.104 Warning markings for movable immersion CIRCULATOR . 37
64 5.2.105 Warning markings related to manual filling or draining . 38
65 5.2.106 Warning markings related to chemical HAZARD . 38
66 5.2.107 Warning markings for hazardous radiation . 38
67 5.2.108 Warning marking for biohazardous substances . 39
68 5.2.109 Warning markings for WALK-IN EQUIPMENT . 39
69 5.4.1 General . 40
70 5.4.2 Equipment RATINGS . 41
71 5.4.3 Equipment installation . 41
72 5.4.3.101 DRYING-OUT and STANDSTILL . 43
73 5.4.4 Equipment operation . 43
74 5.4.4.101 Cleaning and decontamination . 44
75 5.4.5 Equipment maintenance and service . 45
76 5.4.101 Additional instructions for equipment containing FLAMMABLE REFRIGERANT . 46
77 5.4.102 Additional instructions for EQUIPMENT TYPE E . 48
78 5.4.103 Additional instructions for equipment intended for use with refrigerated LN2 . 49
79 5.4.104 Additional instructions for equipment intended for use with FLAMMABLE
80 LIQUID HEAT TRANSFER MEDIA . 49
81 5.4.105 Additional instructions for equipment incorporating UV-C LAMP systems . 50
82 6. Protection against electric shock . 51
83 6.1.1 Requirements . 51
84 6.3.1 Levels in NORMAL CONDITION . 51
85 6.3.2 Levels in SINGLE FAULT CONDITION. 51
86 6.7.2.2 Solid insulation . 51
87 6.7.2.2.101 DRYING-OUT . 51
88 6.8.1 General . 51
89 6.8.2 Humidity preconditioning . 51
90 6.9.1 General . 52
91 6.10.1 MAINS supply cords . 52
92 7. Protection against mechanical HAZARDS . 52
93 7.3.5.1 Gap limitations between moving parts – Access normall
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