SIST EN 14225-3:2018

SLOVENSKI STANDARD
01-februar-2018
1DGRPHãþD
SIST EN 14225-3:2005
Potapljaške obleke - 3. del: Obleke s sistemi za aktivno ogrevanje ali hlajenje in
njihovi deli - Zahteve in preskusne metode
Diving suits - Part 3: Actively heated or cooled suit systems and components -
Requirements and test methods
Tauchanzüge - Teil 3: Aktiv beheizte oder gekühlte Anzugssysteme und Anzugsteile -
Anforderungen und Prüfverfahren
Vêtements de plongée - Partie 3: Vêtements avec système de chauffage ou de
refroidissement actif - Exigences et méthodes d'essai
Ta slovenski standard je istoveten z: EN 14225-3:2017
ICS:
97.220.40 Oprema za športe na Outdoor and water sports
prostem in vodne športe equipment
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN 14225-3
EUROPEAN STANDARD
NORME EUROPÉENNE
December 2017
EUROPÄISCHE NORM
ICS 97.220.40 Supersedes EN 14225-3:2005
English Version
Diving suits - Part 3: Actively heated or cooled suit systems
and components - Requirements and test methods
Vêtements de plongée - Vêtements avec système de Tauchanzüge - Teil 3: Aktiv beheizte oder gekühlte
chauffage ou de refroidissement actif et composants - Anzugssysteme und Anzugsteile - Anforderungen und
Partie 3 : Exigences et méthodes d'essai Prüfverfahren
This European Standard was approved by CEN on 7 June 2017.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this
European Standard 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 CEN
member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by
translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management
Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,
Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2017 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 14225-3:2017 E
worldwide for CEN national Members.

Contents Page
European foreword . 4
Introduction . 5
1 Scope . 6
2 Normative references . 6
3 Terms and definitions . 6
4 Requirements . 8
4.1 General . 8
4.2 Categories . 10
4.3 Mechanical performance . 10
4.3.1 Resistance to cold and hot storage . 10
4.3.2 Sea water resistance . 10
4.3.3 Resistance to cleaning, disinfection and decontamination . 11
4.4 Mechanical performance of the material, seams and attachments . 11
4.4.1 Resistance of material to puncture and dynamic tearing . 11
4.4.2 Strength of suit seams . 11
4.4.3 Strength of closures . 11
4.4.4 Joint strength of attachments . 11
4.4.5 Integrity of slide fasteners . 11
4.5 Underwear . 11
4.6 Construction . 11
4.6.1 Sizing . 11
4.6.2 Control systems for heating or cooling . 11
4.6.3 Internal volume control system . 12
4.6.4 Connectors . 12
4.6.5 Suit penetration . 12
4.6.6 Provision for urination . 12
4.6.7 Leakage resistance of dry suits . 12
4.7 Thermal requirements . 12
4.8 Special safety requirements for electrical systems . 13
4.9 Practical performance requirements . 13
4.10 Optional features . 14
4.10.1 Resistance against chemicals . 14
4.10.2 Resistance against biological hazards . 14
4.10.3 Resistance against abrasion . 14
4.10.4 Visibility. 14
5 Test methods . 14
5.1 General . 14
5.2 Test sequence . 14
5.3 Visual inspection . 16
5.4 Mechanical tests methods . 17
5.4.1 General . 17
5.4.2 Preliminary tests . 17
5.4.3 Mechanical tests — Leakage test for dry suits . 17
5.4.4 Testing of suit components . 18
5.5 Practical performance test . 18
5.5.1 General . 18
5.5.2 Sampling . 18
5.5.3 Test panel . 18
5.5.4 Test divers . 18
5.5.5 Test clothing . 19
5.5.6 Diving equipment . 19
5.5.7 Test procedure . 19
5.5.8 Pass / fail criteria . 22
5.6 Testing optional features . 23
5.6.1 Chemical resistance . 23
5.6.2 Resistance against biological hazards . 23
5.6.3 Abrasion test . 23
5.6.4 Visibility . 23
6 Marking . 24
7 Information to be supplied by the manufacturer . 25
7.1 Information to be supplied with the suit, suit system or component . 25
7.2 Customer information to be supplied at the point of sale . 25
7.3 Instructions for use . 25
Annex A (normative) Rating of practical performance, thermal comfort and perceived
exertion . 27
A.1 Practical Performance: Scale . 27
A.2 Thermal Comfort: Scale and Questionnaire . 27
A.3 Perceived Exertion: Scale and Questionnaire . 28
Annex B (informative) Significant technical changes between this European Standard and
the previous edition of EN 14225-3 . 29
Annex ZA (informative) Relationship between this European Standard and the Essential
requirements of Directive 89/686/EEC aimed to be covered . 31
Annex ZB (informative) Relationship between this European Standard and the Essential
Requirements of Regulation (EU) 2016/425 aimed to be covered . 33
Bibliography . 35

European foreword
This document (EN 14225-3:2017) has been prepared by Technical Committee CEN/TC 162 “Protective
clothing including hand and arm protection and lifejackets”, the secretariat of which is held by DIN.
This European Standard shall be given the status of a national standard, either by publication of an
identical text or by endorsement, at the latest by June 2018, and conflicting national standards shall be
withdrawn at the latest by June 2018.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
This document supersedes EN 14225-3:2005.
This document has been prepared under a mandate given to CEN by the European Commission and the
European Free Trade Association, and supports essential requirements of Regulation (EU) 2016/425.
For relationship with Regulation (EU) 2016/425, see informative Annexes ZA and ZB, which are an
integral part of this document.
Annex B provides details of significant technical changes between this European Standard and the
previous edition.
EN 14225 consists of the following parts, under the general title Diving suits:
— Part 1: Wet suits — Requirements and test methods;
— Part 2: Dry suits — Requirements and test methods;
— Part 3: Actively heated or cooled suit systems and components — Requirements and test methods.
According to the CEN-CENELEC Internal Regulations, the national standards organizations of the
following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria,
Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia,
France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta,
Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and the United Kingdom.
Introduction
This document for actively heated or cooled diving suits systems and components has been prepared to
meet the needs of persons engaged in underwater activities where the user is breathing underwater,
and where the water temperature and exposure duration are such that the person's thermal status only
can be maintained at a safe level by means of active heating or cooling.
Actively heated suits and actively cooled suits are designed to reduce the risk of the diver suffering
hypothermia and hyperthermia, respectively.
The performance of the suit can be altered by a number of factors including any additional equipment
carried by the diver.
A suit may be comprised of one or more pieces.
1 Scope
This European Standard specifies the construction and performance of actively heated suits and
actively cooled suits or components thereof, for wear by divers for underwater activities where the user
is breathing underwater. Marking, labelling, information meant to be provided at the point of sale and
instructions for use are also specified.
Laboratory and practical performance tests are specified.
2 Normative references
The following documents, in whole or in part, are normatively referenced in this document and are
indispensable for its application. For dated references, only the edition cited applies. For undated
references, the latest edition of the referenced document (including any amendments) applies.
EN 250, Respiratory equipment — Open-circuit self-contained compressed air diving apparatus —
Requirements, testing and marking
EN 1809:2014+A1:2016, Diving equipment — Buoyancy compensators — Functional and safety
requirements, test methods
EN 14126:2003, Protective clothing — Performance requirements and tests methods for protective
clothing against infective agents
EN 14225-1:2017, Diving suits — Part 1: Wet suits — Requirements and test methods
EN 14225-2:2017, Diving suits — Part 2: Dry suits — Requirements and test methods
EN 16523-1, Determination of material resistance to permeation by chemicals — Part 1: Permeation by
liquid chemical under conditions of continuous contact
EN ISO 3758, Textiles — Care labelling code using symbols (ISO 3758)
EN ISO 13934-1, Textiles — Tensile properties of fabrics — Part 1: Determination of maximum force and
elongation at maximum force using the strip method (ISO 13934-1)
EN ISO 15027-3:2012, Immersion suits — Part 3: Test methods (ISO 15027-3:2012)
ISO 1817:2015, Rubber, vulcanized or thermoplastic — Determination of the effect of liquids
1)
IMCA D 045 , Code of practice for the safe use of electricity under water (October 2010)
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.

1) https://www.imca-int.com/login/?download=/publication/295/code-of-practice-for-the-safe-use-of-
electricity-under-water.pdf.
3.1
actively heated suit
suit designated to provide heat to the layer of gas or water between the suit and the diver’s body
3.2
actively cooled suit
suit designated to remove heat from the layer of gas or water between the suit and the diver’s body
3.3
attachment
item attached to the diving suit
3.4
component
part of a suit system
3.5
connector
connecting device between the suit’s internal distribution system and an external supply unit
3.6
diving environment
environment in which the wearer of a diving suit engages in diving activities
3.7
diving suit
suit designed for intended underwater activities, in which the user is breathing underwater
3.8
dry suit
diving suit, which covers all or particular regions of the body and which is designed to prevent the
ingress of water upon immersion
3.9
heat stress
physiological stress produced by the heat load on the body
Note 1 to entry: The total heat load is made up of the metabolic heat load and environmental heat loads
including that due to clothing.
3.10
hyperthermia
condition of the human body in which the core temperature is above 39 °C
3.11
hypothermia
condition of the human body in which the core temperature is below 35 °C
3.12
single action release mechanism
mechanism, which can be released with one hand
3.13
suit system
combination of diving suit components, undergarments and attachments
3.14
umbilical
hose or cable system for transferring energy and other services to or from an actively heated or actively
cooled suit
3.15
undergarment
garment worn under the diving suit to provide one or more of insulation mechanical protection or
thermal control
3.16
wet suit
diving suit, made of thermal insulating material, which covers all or part of the body and that is
designed to reduce the flow of the water around the diver's body
4 Requirements
4.1 General
Actively heated and/or cooled suit systems and components shall conform to all the relevant
requirements of EN 14225-1 or EN 14225-2 and to the requirements listed in Table 1, as applicable.
Actively heated and/or cooled suit systems and components incorporating optional features shall also
conform to the requirements listed in Table 2, as applicable.
The requirements are for both types of suits (wet and dry) unless otherwise specified.
Table 1 — Actively heated or cooled suit systems and components — Overall requirements
Requirement
Requirement specified in Test method
clause
Whole suit
Sizing 4.6.1 5.5.7.3 b)
Resistance to hot and cold storage 4.3.1 5.4.2.1
Sea water resistance 4.3.2 5.4.2.2
Resistance to cleaning, disinfection and 4.3.3 5.4.2.3
decontamination
Practical performance 4.9 5.5
Control systems for heating/cooling 4.6.2 5.5
Internal volume control system 4.6.3 5.5 and
EN 14225–2:2017, 5.5.1
Connectors 4.6.4 5.4.4.2 and other relevant
tests
Penetration 4.6.5 EN 14225–2:2017, 5.4.3.5
Provision for urination 4.6.6 5.5 and 5.3
Leakage resistance of dry suits 4.6.7 5.4.3
Thermal requirements 4.7 5.3, 5.5 and 5.5.7.5 or
5.5.7.6
Safety requirements for electrical systems 4.8 IMCA D 045
Suit materials
Resistance to puncture and dynamic tearing 4.4 EN 14225–2:2017, 5.4.3.1
Seam strength 4.4.2 5.3 and
EN 14225–2:2017, 5.4.3.2
Strength of closures 4.4.3 EN 14225–2:2017, 5.4.3.3
Joint strength of attachments 4.4.4 EN 14225–2:2017, 5.4.3.4
Integrity of slide fasteners 4.4.5 EN 14225–2:2017, 5.5.2
Mechanical performance of underwear material 4.5 5.3 and
EN ISO 13934-1
Marking and Information
Marking Clause 6 5.3
Information to be supplied by manufacturer Clause 7 5.3
Table 2 — Actively heated or cooled suit systems with special protection and other optional
features
Feature Requirement Test method Symbol
specified in clause
Resistance against
4.10.1 EN 14225–2:2017, 4.6.2.2 HZ
chemicals
Resistance against EN 14225–2:2017, 4.6.2.3
4.10.2 BIO
biological hazards
Resistance against 4.10.3 EN 14225–2:2017, 4.6.2.4 ABR
abrasion
Suits to aid visibility 4.10.4 EN 14225–2:2017, 4.6.2.5 VIS

4.2 Categories
An actively heated system shall conform to one of the requirements in Table 3.
Table 3 — Categorization of actively heated suit systems
Category Time of use Lower water
temperature
limit
A 4 h 4 °C
B 1 h 4 °C
C 4 h 10 °C
D 1 h 10 °C
Testing shall be performed in accordance with 5.5.7.5.
4.3 Mechanical performance
4.3.1 Resistance to cold and hot storage
Applicable only for dry suits:
Dry suit systems and components shall comply with the requirements specified in EN 14225-2:2017,
4.2.1. Testing shall be performed in accordance with 5.4.2.1 (in this part).
Applicable only for wet suits:
Wet suit systems and components shall comply with the requirements specified in EN 14225-1:2017,
4.1.1. Testing shall be performed in accordance with 5.4.2.1 (in this part).
4.3.2 Sea water resistance
Any material that is intended to come in to contact with seawater shall be seawater resistant. Testing
shall be performed in accordance with 5.4.2.2 and then visually inspected after each cycle in accordance
with 5.3 (in this part).
4.3.3 Resistance to cleaning, disinfection and decontamination
The suit system and components shall comply with the requirements specified in EN 14225-1:2017,
4.2.3, as appropriate. Testing shall be performed in accordance with 5.4.2.3 (in this part).
4.4 Mechanical performance of the material, seams and attachments
4.4.1 Resistance of material to puncture and dynamic tearing
The suit system and components shall comply with the requirements specified in EN 14225-2:2017,
4.3.1. Testing shall be performed in accordance with EN 14225-2:2017, 5.4.3.1.
4.4.2 Strength of suit seams
The suit seams shall withstand a pulling force of (100 ± 5) N for 5 minutes. Testing shall be performed
in accordance with EN 14225-1:2017, 5.4.5 or EN 14225-2:2017, 5.4.3.2, as applicable, and 5.3 (in this
part).
4.4.3 Strength of closures
The suit closures shall comply with the requirements specified in EN 14225-2:2017, 4.3.3. Testing shall
be performed in accordance with EN 14225-2:2017, 5.4.3.3.
4.4.4 Joint strength of attachments
The suit attachment joints shall withstand a pulling force of (100 ± 5) N for 5 minutes. Testing shall be
performed in accordance with EN 14225-2:2017, 5.4.3.4, and 5.3 (in this part).
4.4.5 Integrity of slide fasteners
Any slide fasteners used shall comply with the requirements in EN 14225-1:2017, 4.1.8 or
EN 14225-2:2017, 4.3.5 as appropriate.
4.5 Underwear
The material of an underwear being a specified part of the suit system shall be tested in accordance
with EN ISO 13934-1 and shall withstand a tensile force of (100 ± 5) N applied in the direction of the
warp and in the direction of the weft of the material, without signs of tearing. After testing the material
shall be inspected according to 5.3 (in this part).
Any undergarment used in combination with a dry suit shall not impair the free passage of air to and
through the deflation device. Testing shall be performed in accordance with 5.5.7.3.
4.6 Construction
4.6.1 Sizing
The manufacturer shall use a sizing system and state at least two body dimensions including at least the
height and chest girth of the intended user.
When the suit is donned by a test diver in accordance with 5.5.7.3 b) the size of the suit shall
correspond to the size marked on it by the manufacturer.
4.6.2 Control systems for heating or cooling
The suit system shall provide a mechanism to enable the diver to control or override the active heating
or cooling system. Testing shall be performed in accordance with 5.5.
4.6.3 Internal volume control system
A dry suit system and components shall comply with the requirements specified in EN 14225-2:2017,
4.4.2.1 and 4.4.2, 2nd paragraph. Testing shall be performed in accordance with EN 14225-2:2017, 5.5.1
and the practical performance test in 5.5 (in this part).
4.6.4 Connectors
Any external connections to the suit shall be quick release. When tested in accordance with relevant
tests external quick release connections shall be capable of being readily connected and disconnected
+2
with gloved hands, when the diver is wearing three finger gloves, 6 mm thickness, double lined, or
( )
the gloves attached to the suit.
Each connection between the suit and the connector shall withstand a pulling force of (500 ± 10) N
without becoming disconnected and without the suit being damaged, when visually inspected according
to 5.3. Testing shall be performed in accordance with 5.4.4.2.
4.6.5 Suit penetration
Any suit penetration shall withstand a pulling force of (150 ± 5) N without being disconnected and
without the suit being damaged. Testing shall be performed in accordance with EN 14225-2:2017,
5.4.3.5.
The suit and the suit system shall comply with the requirements in EN 14225-2:2017, 4.4.4.
4.6.6 Provision for urination
A dry diving suit system intended for continuous dive durations longer than 2 h shall be compatible
with systems allowing the diver to urinate. Testing shall be performed in accordance with the practical
performance test (5.5), and inspected according to 5.3.
4.6.7 Leakage resistance of dry suits
The dry suit shall comply with the requirements in EN 14225-2:2017, 4.4.6. Testing shall be performed
in accordance with 5.4.3 (in this part).
4.7 Thermal requirements
The suit system shall have the means of controlling the risk of thermal stress during a range of physical
activities and environmental conditions, when tested according to 5.5.
All active thermal systems shall include a protection system reducing the risk of local burning or
freezing. Testing shall be performed in in accordance with 5.3 and 5.5.
If a hood is attached to the suit, it shall be constructed in such a way that a seal cannot form between the
hood and the ear. Testing shall be performed in accordance with 5.3 and 5.5.
Suit systems or components thereof which are category B or D according to Table 3 shall be tested in
accordance with 5.5.7.5.
The thermal requirements for actively heated suit systems or components thereof which are category A
or C according to Table 3 may be assessed by either a) a cold water dive without monitoring, or
alternatively b) a cold water dive with monitoring. The decision between a) or b) shall be made by the
test laboratory and agreed by the notified body, and be based upon an appropriate risk assessment as to
whether the performance can be verified without a monitored cold dive.
a) A cold water dive without monitoring: The manufacturer provides relevant data on the active
heating system or component, and evidence that the system would provide adequate thermal
protection for the intended diving depth, water temperature and duration.
The manufacturer's claim shall be tested and verified in accordance with 5.5.7.5.1 and 5.5.7.5.3. The
relevant data provided by the manufacturer shall be verified.
b) A cold water dive in accordance with 5.5.7.5.1, 5.5.7.5.2 and 5.5.7.5.3 where they shall demonstrate
that they can maintain the core temperature within ± 1 °C of divers' normal core temperature, and
mean skin temperatures above 25 °C and the difference between highest and lowest skin
temperature not exceeding 20 °C. The thermal system shall have sufficient residual capacity for a
situation with failure of the heating system to allow either the diver to return to a point of safety or
an alternative system to be provoked when tested in accordance with 5.5.7.5 . The diver heating
shall not cause skin injuries when tested as a result of excessive heating.
Actively cooled suits (systems) when tested in accordance with 5.5.7.6 shall demonstrate that they can
maintain the core temperature within ± 1 °C of divers' normal core temperature, and mean skin
temperature below 40 °C. The thermal system shall have sufficient residual capacity for a situation with
failure of the cooling system to allow either the diver to return to a point of safety or an alternative
system to be provoked when tested in accordance with 5.5.7.6 (cooled suits).
4.8 Special safety requirements for electrical systems
Any electrical system on or carried by the diver shall conform to IMCA D 045 and shall include
monitoring, safety protection circuitry, and failure warning system. Testing shall be performed in
accordance with 5.3 and 5.4.4.1.
Unprotected DC power supplies shall not use supply voltage greater than 6 Volt nominal (maximum
7 Volt). AC and DC power supplies up to 18 Volt nominal (maximum 22,8 Volt DC, maximum
20,0 Volt AC) may be used with appropriate earth leakage safety system. Power supplies greater than
22,8 Volt shall not be used for diving heating systems.
The thermal system shall have sufficient residual capacity for a situation with failure of the heating or
cooling system to allow either the diver to return to a point of safety or an alternative system to be
provoked.
NOTE 1 Attention is also drawn to the Low Voltage Directive 2006/95/EC (Electrical equipment designed for
use within certain voltage limits).
NOTE 2 In the case of chemical systems, attention is drawn to national legislation regarding occupational
exposure limits.
4.9 Practical performance requirements
It shall be possible for the suit system to be donned and doffed with the assistance of no more than one
person. Testing shall be performed in accordance with 5.5.
When suits are subjected to practical performance tests in accordance with 5.5 the test divers shall be
able to carry out all the procedures listed in 5.7.7.2, 5.5.7.3 and 5.5.7.4 as appropriate, and shall not
report a practical performance score of 5 or more (given in A.1) for more than 3 of the separate test
procedures, and no score higher than 8 for any procedure.
When actively heated or cooled suits are tested in accordance with 5.5, at no stage during the dive shall
the test diver report a thermal comfort score of 4 or less for an actively heated suit, or 9 or higher for an
actively cooled suit (see A.2). Neither shall the diver report a perceived exertion score of 5 nor more at
any stage during the dive (see A.3).
Satisfactory surface condition of the suit system in contact with the user shall be confirmed by showing
no excessive irritation, abrasions or other skin injuries. Testing shall be performed in accordance with
5.5.
4.10 Optional features
4.10.1 Resistance against chemicals
For suits intended to provide the user with protection against chemicals in the diving environment, the
suit material and all interfaces, e.g. seams, penetrators, closures and slide fasteners, shall comply with
the requirements of EN 14225-2:2017, 4.6.2.2.
4.10.2 Resistance against biological hazards
For suits intended to provide the user with protection against microorganisms e.g. infective agents in
the diving environment, the suit material and all interfaces, e.g. seams, penetrators, closures and slide
fasteners, shall comply with the requirements of EN 14225-2:2017, 4.6.2.3.
4.10.3 Resistance against abrasion
For suits intended to resistant against abrasion, the requirements of EN 14225-2:2017, 4.6.2.4 shall
apply.
4.10.4 Visibility
If the suit manufacturer claims the suit to have enhanced visibility, the suit shall comply with the
requirements of EN 14225-2:2017, 4.6.2.5.
5 Test methods
5.1 General
Three suits of different sizes as stated by the manufacturer together with suit material samples, shall be
submitted for visual inspection (see 5.3) and testing.
The suit material samples where appropriate shall undergo laboratory tests in accordance with 5.4.2.1,
5.4.2.2 and 5.4.2.3. One suit shall undergo functional tests in sequence in accordance with 5.4.2.1,
5.4.2.2, 5.4.2.3, 5.4.3 (if dry suit), 5.4.4.1 and 5.4.4.2. The two remaining suits (if dry suits) shall undergo
leakage test in accordance with 5.4.3. All three suits shall undergo practical performance tests under
realistic conditions in accordance with 5.5.
5.2 Test sequence
The tests shall be conducted in accordance with the flow chart shown in Figure 1 for all types of suits
(wet and dry):
a) tests on samples of material:
1) cold and hot storage (5.4.2.1);
2) sea water resistance (5.4.2.2);
3) resistance to cleaning, disinfection and decontamination (5.4.2.3);
4) resistance of material to puncture and dynamic tearing (EN 14225-2:2017, 5.4.3.1);
5) strength of suit seams (EN 14225-2:2017, 5.4.3.2);
6) strength of closures (EN 14225-2:2017, 5.4.3.3);
7) joint strength of attachments (EN 14225-2:2017, 5.4.3.4);
8) integrity of slide fasteners (EN 14225-2:2017, 5.5.2);
9) performance of underwear material (EN ISO 13934-1 and 5.3);
b) tests on suits:
1) leakage test (5.4.3) for dry suits only (one of the dry suits);
2) cold and hot storage (5.4.2.1);
3) sea water resistance (5.4.2.2);
4) resistance to cleaning, disinfection and decontamination (5.4.2.3);
5) leakage test (5.4.3) if a dry suit (all three suits);
6) testing of suits components (5.4.4);
7) practical performance tests (5.5 and 5.3);
8) provisions for urination (5.5 and 5.3) if a dry suit;
c) tests for optional features:
1) resistance against chemicals (5.6.1);
2) resistance against biological hazards (5.6.2);
3) resistance against abrasion (5.6.3);
4) visibility (5.6.4).
Figure 1 — Test flow chart
5.3 Visual inspection
Visual inspection of each suit shall be carried out with normal or corrected vision, without
magnification, prior to and after the laboratory and the practical performance tests. This may entail a
certain amount of dismantling of the suit in accordance with the information supplied by the
manufacturer for maintenance. Visual inspection shall also include review and assessment of any safety
documentation for the suit system.
5.4 Mechanical tests methods
5.4.1 General
The whole suit and all material samples submitted for mechanical tests shall be subjected to
preliminary tests in accordance with 5.4.2.
5.4.2 Preliminary tests
5.4.2.1 Resistance to cold and hot storage
5.4.2.1.1 General
Subject suit or samples of each suit material and of each suit material combination to a high
temperature resistance test followed by a low temperature resistance test.
Within 5 min of completing the low temperature resistance test hang the suit at standard room
temperature of (20 ± 2) °C. If the suit is a dry suit, 15 min after the end of the final test inflate the suit up
to (26 ± 1) mbar and leave for a period of 15 min. Visually inspect the suit in accordance with 5.3.
5.4.2.1.2 High temperature resistance
Place the suit or the sample of the suit material in a circulating air oven maintained at (70 ± 3) °C for
16 h ± 30 min. After removal from the circulating air oven, store the sample at a temperature between
18 °C and 25 °C and a relative humidity of at least 50 % for at least 3 h.
5.4.2.1.3 Low temperature resistance
Place the suit or the sample suit material in a cooling chamber and maintain at (—20 ± 3) °C for
3 h ± 5 min.
5.4.2.2 Sea water resistance test
Submerge the suit (un-inflated if a dry suit) and samples in artificial sea water conforming to
EN 1809:2014+A1:2016, Annex A, at a temperature between 15 °C and 25 °C for 8 h ± 15 min. Without
cleaning the suit in fresh water, allow the suit to air dry for 16 h + 30 min at a temperature between
15 °C and 25 °C, and at a relative humidity of not more than (75 ± 5) %. Apply four cycles. Visually
inspect the suit in accordance with 5.3 after each cycle.
5.4.2.3 Cleaning, disinfection and decontamination
Subject the suit and material samples to cleaning, disinfection and, if applicable, decontamination using
the procedures recommended by the manufacturer. The concentrations and immersion times indicated
in the instructions for use shall be doubled. Perform the test 15 times. If no other temperatures are
indicated in the instructions for use the temperature of the cleaning disinfectant solutions shall be
(25 ± 2) °C. Visually inspect the suit and the samples in accordance with 5.3.
5.4.3 Mechanical tests — Leakage test for dry suits
A complete suit system shall be used for the test. If attachments, such as a hood, helmet, gloves or boots,
are intended to be dry, the suit shall be tested with these attached. All seals of the suit shall be closed.
The suit shall be submerged totally in a horizontal position directly below the water line. The suit shall
be inflated with air pressure of 20 mbar and kept fully submerged.
Tests shall be conducted with the suit held horizontal for 5 min in the prone position and 5 min in the
supine position.
There shall be no constant bubbling.
5.4.4 Testing of suit components
5.4.4.1 Active system functional test
A suit system shall be laboratory tested (unmanned) with heating (alternatively cooling) of the suit
according to the manufacturer's specification. Testing shall be performed in accordance with 5.5.7.5.1.
Failure of the suit's active system shall be simulated by short circuiting the system. As a consequence of
this failure the system's warning indicator for failure shall become activated. Visual inspection of the
suit following the failure simulation shall reveal no indication of damage to the suit which would have
caused injuries to a person in a manned trial.
5.4.4.2 Pull test of connectors
With the active heating or cooling system of the suit connected, suspend the suit such that the
connector and umbilical hangs free. Apply a pulling force of (500 ± 10) N to the umbilical for (10 ± 1) s.
Examine the joint between the umbilical and the connector and between the connector and the suit to
see whether the connector is still connected and whether there has been any damage to any part as well
as to the suit itself.
5.5 Practical performance test
5.5.1 General
For reasons of safety the practical performance test shall only be carried out at the point indicated in
the test flow chart (see Figure 1).
NOTE Attention is drawn to the World Medical Association Declaration of Helsinki regarding tests on human
subjects and to national legislation governing diving.
5.5.2 Sampling
3 actively heated suits or cooled suits (systems) shall be tested. The suit shall be of different sizes as
stated by the manufacture, if applicable.
5.5.3 Test panel
The test shall be conducted in front of a test panel of not less than two people, competent in the use and
assessment of actively heated and actively cooled suits.
5.5.4 Test divers
The suits shall be tested by three test divers who are not members of the test panel, who are at least 18
years old and practising regularly with actively heated or actively cooled suits (systems). They shall be
medically examined and certified fit to undertake the test procedure. They shall be informed and
instructed on the objectives of the tests. Test divers who test suits designed for women shall be female.
Each test diver shall wear a suit of a size suitable for his or her build. At least one of the test divers
(subject to age constraints) shall have a body size within the lowest category of the manufacturer's
stated size range, preferably at the lower end of the range. One test diver shall have a body size in the
highest category of the manufacturer’s size range, preferably at the top end of the range (see example in
Table 4).
Table 4 — Example of test diver requirements for a manufacturer's stated suit size range
Manufacturer's stated suit size range Test diver requirements
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