The present document specifies test methods and severities for verification of the required resistibility of equipment
according to the relevant environmental class.
The tests defined in the present document apply to the use of equipment installed permanently or temporarily in ground
vehicles and cover the vehicles and the environmental conditions stated in ETSI EN 300 019-1-5 [1].
The tests cover installations in vehicles powered by electric motors and combustion engines. Applications in
combustion engine compartments are excluded.

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This document specifies two separate methods for determining the resistance of a material to wet and
dry abrasion.
It is applicable to the coated surface or surfaces of coated fabrics.
It does not apply to determining the abrasion behaviour of an uncoated surface of a coated fabric, for
which the methods for uncoated textiles described in the ISO 12947 series apply.

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The present document specifies methods of measurement of electrical power consumption in networked standby and the
reporting of the results for network interconnecting equipment.
Example of interconnecting equipment are in Annex B.
Power consumption in standby (other than networked standby) is covered by EN 50564 [1], including the input voltage
range.
The present document also provides a method to test power management and whether it is possible to deactivate
wireless network connection(s).
The present document applies to electrical products with a rated input voltage of 230 V a.c. for single phase products
and 400 V a.c. for three phase products.
The present document is produced under the mandate M/544 and can be used to demonstrate compliance to the EU
Regulation (EC) No 1275/2008 [i.1] amended by Regulation (EU) 801/2013 [i.2].
The present document does not apply to televisions as defined in Regulation (EC) No 642/2009 [i.10].
NOTE 1: The EU regulation 801/2013 [i.2] applies to equipment designed for use with a nominal voltage rating of
250 V and below.
NOTE 2: EU regulation 801/2013 [i.2] does not apply to electrical and electronic household and office equipment
placed on the market with a low voltage external power supply to work as intended.
NOTE 3: "Low voltage external power supply" is the definition provided in EU regulation 278/2009 [i.3].
NOTE 4: The measurement of energy consumption and performance of equipment during intended use are
generally specified in product standards and are not covered by the present document.
NOTE 5: Where the present document is referenced by more specific standards or procedures, these should define
and name the relevant conditions to which this test procedure is applied.
1.2 Equipment not in the scope of the present document
The present document does not apply to the measurement of electrical power consumption in networked standby for
edge equipment. The edge equipment is a networked equipment that can be connected to a network and interact with
that network or other devices and that does not have, as its primary function, the passing of network traffic to provide a
network. Edge equipment are covered in EN 50643 [i.8].

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The present document contains requirements and measurements methods for the physical interface "A3" that is situated
between the power supply system(s) and the power consuming ICT equipment:
• the nominal voltage at power interface "A3" of ICT equipment defined in the present document is DC voltage up
to 400 V;
• the output performance of the power equipment including the cable network at the interface "A3";
• the input of the ICT equipment connected to interface "A3".
The DC power can be supplied by a DC output power system e.g. via on-grid AC rectifiers, from DC/DC converters in
solar systems, fuel cells, standby generators including a battery backup.
The present document aims at providing compatibility at interface "A3" between the power supply equipment and different
ICT equipment (including/monitoring, cooling system, etc.) connected to the same power supply.
The requirements are defined for the purpose of the present document:
• to identify a power supply system with the same characteristics for all ICT equipment defined in the area of
application; the area of application may be any location where the interface "A3" is used i.e.
telecommunication centres, Radio Base Stations, datacentres and customer premises;
• to facilitate interworking of different loads;
• to facilitate the standardization of power supply systems for ICT equipment;
• to facilitate the installation, operation and maintenance in the same network of ICT equipment and systems
from different origins;
• to secure robustness against temporary voltage deviations and transients during abnormal conditions.
General requirements for safety and EMC are out of the scope of the present document series unless specific
requirement not defined in existing safety or EMC standards.

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IEC 60068-2-21:2021 is applicable to all electrical and electronic components whose terminations or integral mounting devices are liable to be submitted to stresses during normal assembly or handling operations and is also applicable to surface mount devices (SMDs).
This seventh edition cancels and replaces the sixth edition, published in 2006, and IEC 60068‑2‑77:1999. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:  
integration of parts of IEC 60068-2-77 (see Annex X); IEC 60068-2-77 is withdrawn with the publication of this document;
Annex X is added to show the correlation of the clauses and subclauses in this edition of IEC 60068-2-21 with the clauses in IEC 60068-2-21:2006 and IEC 60068-2-77:1999.

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IEC 62056-3-1:2021 is available as IEC 62056-3-1:2021 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
IEC 62056-3-1:2021 describes two sets of profiles: the first set of profiles allows a bidirectional communication between a client and a server. This set of profiles is made of three profiles allowing local bus data exchange with stations either energized or not. For non-energized stations, the bus supplies energy for data exchange. Three different profiles are supported:
• base profile: this three-layer profile provides remote communication services;
NOTE 1 This first profile was published in IEC 61142:1993 and became known as the Euridis standard.
• profile with DLMS: this profile allows using DLMS services as specified in IEC 61334 4 41;
NOTE 2 This second profile was published in IEC 62056-31:1999.
• profile with DLMS/COSEM: this profile allows using the DLMS/COSEM Application layer and the COSEM object model as specified in IEC 62056 5 3 and in IEC 62056 6 2 respectively.
The three profiles use the same physical layer and they are fully compatible, meaning that devices implementing any of these profiles can be operated on the same bus. The transmission medium is twisted pair using carrier signalling and it is known as the Euridis Bus.
The second set of profiles allows unidirectional communication between a given Energy Metering device and a Customer Energy Management System. This second set is made up of three profiles.
Subclause 4.2.1 to Clause 8 included specify the bidirectional communication using twisted pair signalling and Clause 9 to 9.5 the unidirectional communication using twisted pair signalling.
This second edition cancels and replaces the first edition of IEC 62056-3-1, issued in 2013, and constitutes a technical revision.
The main technical changes with regard to the previous edition are as follows:
• addition of a profile which makes use of the IEC 62056 DLMS/COSEM Application layer and COSEM object model;
• review of the data link layer which is split into two parts:
– a pure Data Link layer;
– a "Support Manager" entity managing the communication media;
• ability to negotiate the communication speed, bringing baud rate up to 9 600 bauds.

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This part of IEC 60068 outlines Tests Ta and Tb, applicable to devices with leads and leads
themselves. Soldering tests for surface mounting devices (SMD) are described in
IEC 60068‑2‑58.
This document provides procedures for determining the solderability and resistance to soldering
heat of devices in applications using solder alloys, which are eutectic or near eutectic tin lead
(Pb), or lead-free alloys.
The procedures in this document include the solder bath method and soldering iron method.
The objective of this document is to ensure that component lead or termination solderability
meets the applicable solder joint requirements of IEC 61191-3 and IEC 61191-4. In addition,
test methods are provided to ensure that the component body can be resistant to the heat load
to which it is exposed during soldering.
NOTE Information about wetting time and wetting force can be obtained by test methods using a wetting balance.
IEC 60068-2-69 (solder bath and solder globule method) can be consulted.

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This part of IEC 60068 specifies a composite test procedure, primarily intended for component
type specimens, to determine, in an accelerated manner, the resistance of specimens to the
deteriorative effects of high temperature/humidity and cold conditions.
This test standard does not apply to specimens that are energized during the complete test.
Specimens can be energized during the constant phases of the tests. Measurements on
energized specimens are typically carried out during constant phases of the test unless
specified otherwise.

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This part of IEC 60068 specifies methods of test applicable to specimens which, during
transportation, storage or in service, can be subjected to low air pressure.
The object of the low air pressure test is to determine the ability of components, equipment or
other articles to be used, transported or stored at low air pressure.
Components, equipment or other articles to be used, transported or stored under a
simultaneous combination of high or low temperature and low air pressure, where the
combination is important for the stresses imposed on the articles or for the failure mechanisms,
are then tested in accordance with IEC 60068-2-39.

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This part of IEC 60068 specifies a test method for assessing the corrosion resistance of
electrotechnical products components, equipment and materials in a salt mist environment. Its
objective is to verify that the comparative quality of a metallic material, with or without
corrosion protection, is maintained when exposed to salt mist.
This test method is useful for evaluating the quality and the uniformity of coatings applied to
protect metals against corrosion. It is particularly useful for detecting discontinuities, such as
pores and other defects, in certain metallic, organic, anodic oxide and conversion coatings.

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The present document version covers base stations with the following radio access technologies:
• GSM.
• WCDMA.
• LTE.
• NR.
The methodology described in the present document is to measure base station static power consumption and RF output
power. Within the present document it is referred to as static measurements.
The results based on "static" measurements provide power and energy consumption figures for BS under static load.
Energy consumption of terminal (end-user) equipment is outside the scope of the present document.
The scope of the present document is not to define target values for the BS power and energy consumption.
The results should only be used to assess and compare the power and energy consumption of complete base stations.
Wide Area Base Stations and Medium Range Base Stations (as defined in ETSI TS 125 104 [2], ETSI TS 136 104 [12],
and ETSI TS 138 104 [15]) are covered in the present document.

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The present document is aimed at defining the topology and level of analysis to assess the energy efficiency of mobile
networks. Within the scope of the present document there is the radio access part of the mobile networks, and namely
there are radio base stations, backhauling systems, radio controllers and other infrastructure radio site equipment. The
covered technologies are GSM, UMTS, LTE and 5G New Radio (NR). In particular the present document defines
metrics for mobile network energy efficiency and methods for assessing (and measuring) energy efficiency in
operational networks. The purpose of the present document is to allow better comprehension of networks energy
efficiency, in particular considering the networks' evolution in different periods in time.
Aiming to consider also the slicing approach of the networks from 5G onwards the metrics are extended to the latency
of the network itself related to the energy consumed, additionally to the metrics based on traffic and on coverage,
already existing for legacy networks and still valid.
The present document deals with both a homogeneous and heterogeneous "network" considering a network whose size
and scale could be defined by topologic, geographic or demographic boundaries. For networks defined by topologic
boundaries, a possible example of a network covered by the present document consists of a control node (whenever
applicable), its supported access nodes as well as the related network elements. Networks could be defined by
geographic boundaries, such as city-wide, national or continental networks and could be defined by demographic
boundaries, such as urban or rural networks.
The present document applies to the so-called "partial" networks for which a measurement method is also
recommended. The specification extends the measurements in partial networks to wider so-called "total" networks
energy efficiency estimations (i.e. the network in a geographic area, the network in a whole country, the network of a
MNO, etc.).
Terminal (end-user) equipment is outside the scope of the present document and is not considered in the energy
efficiency measurement.

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The present document defines power feeding solutions for 5G, converged wireless and wireline access equipment and
network, taking into consideration their enhanced requirements on service availability and reliability, the new
deployment scenarios, together with the environmental impact of the proposed solutions.
The minimum requirements of different solutions including power feeding structures, components, backup, safety
requirements, environmental conditions are also defined.
The present document is applicable to powering of both mobile and fixed access network elements, in particular on
equipment that have similar configurations and needs.
The future development of 5G networks will create a new scenario in which the density of radio cells will increase
considerably, together with the increase of wireline network equipment that are going to be installed in the vicinity to
the users, thereby creating the need to define new solutions for powering that will be environmentally friendly,
sustainable, dependable, smart and visible remotely.
The -48 V DC, up to 400 V DC local and remote power solutions defined respectively in ETSI EN 300 132-2 [2],
ETSI EN 302 099 [i.10] and ETSI EN 300 132-3-1 [3] or Recommendation ITU-T L.1200 [i.13] will be considered as
the standards in force for power facilities, together with IEEE 802.3TM [i.18] (PoE).

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IEC 60068-2-20:2021 is available as IEC 60068-2-20:2021 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
IEC 60068-2-20:2021 outlines Tests Ta and Tb, applicable to devices with leads and leads themselves. Soldering tests for surface mounting devices (SMD) are described in IEC 60068-2-58. This document provides procedures for determining the solderability and resistance to soldering heat of devices in applications using solder alloys, which are eutectic or near eutectic tin lead (Pb), or lead-free alloys. The procedures in this document include the solder bath method and soldering iron method. The objective of this document is to ensure that component lead or termination solderability meets the applicable solder joint requirements of IEC 61191-3 and IEC 61191-4. In addition, test methods are provided to ensure that the component body can be resistant to the heat load to which it is exposed during soldering. This edition includes the following significant technical changes with respect to the previous edition:
- update of and clarification of pre-conditioning (former "aging") and its relation to natural aging.

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IEC 60068-2-38:2021 is available as IEC 60068-2-38:2021 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
IEC 60068-2-38:2021 specifies a composite test procedure, primarily intended for component type specimens, to determine, in an accelerated manner, the resistance of specimens to the deteriorative effects of high temperature/humidity and cold conditions. This test standard does not apply to specimens that are energized during the complete test. Specimens can be energized during the constant phases of the tests. Measurements on energized specimens are typically carried out during constant phases of the test unless specified otherwise. This third edition cancels and replaces the second edition, published in 2009. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
- the figures have been updated;
- changes to the wording has been made for clarification purposes.

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IEC 60068-2-11:2021 specifies a test method for assessing the corrosion resistance of electrotechnical products components, equipment and materials in a salt mist environment. Its objective is to verify that the comparative quality of a metallic material, with or without corrosion protection, is maintained when exposed to salt mist.
This test method is useful for evaluating the quality and the uniformity of coatings applied to protect metals against corrosion. It is particularly useful for detecting discontinuities, such as pores and other defects, in certain metallic, organic, anodic oxide and conversion coatings.
This fourth edition cancels and replaces the third edition published in 1981. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
a) the preparation of the salt solution has been modified;
b) the temperature of the solution for measuring pH has been modified;
c) the atomizing pressure and water temperature of the saturation tower have been added and are given in Table 1;
d) test report details have been modified;
e) examples of typical test apparatus have been added and are given in Annex A;
f) a method for evaluating corrosivity of the apparatus has been added and is given in Annex B;
g) a bibliography has been added.

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IEC 60068-2-13:2021 specifies methods of test applicable to specimens which, during transportation, storage or in service, can be subjected to low air pressure.
This fifth edition cancels and replaces the fourth edition, published in 1983. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
a) alignment with recently revised parts of IEC 60068-2;
b) Clause 5: severities aligned with IEC 60721-2-3 and IEC 60721-3 (all parts);
c) addition of Annex A (guidance on selecting the duration of exposure).

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The present document describes the principles for powering of Telecommunications Equipment (TE) in access
networks (both traditional copper based and Next Generation fibre and/or hybrid based) and contains requirements for
the powering systems, laying down:
• the characteristics of the input and output interfaces of the power units; the recommendations for TE power
protection, also regarding network integrity and public services availability requirements;
• the management data, necessary to guarantee the required availability of the network and provided public
services and to ensure the maintenance of the TE power units.
The present document takes into account the innovative characteristics of fibre-based access network equipment, for
which the intrinsic limitation of the local power plants should be considered regarding the equipment installed inside
telecom centre or local exchanges or installed in streets or inside buildings: it goes from "complete integration of the
power plant in the TE" to "remote power feeding from a distant power plant".
The present document provides detailed information in annex A on the improved reliability of public electric power grid
and on the improved reliability and availability of new fibre-based NGA network. It should be considered that, for street
cabinet TE, the local power scenario is common and, in that case, the main power supply availability characteristics are
mainly based on electrical energy provider's performance.
The present document applies to the powering of all equipment of the access network (copper, fibre or radio networks)
located inside or outside telecommunications centres or local exchanges, differentiating the applicable and sustainable
power protection requirements. The access network is defined as the part of the telecommunications network, which
comprises the network termination (passive or active) that is installed inside customer premises and the first exchange
that can be also the broadband local exchange.
As innovative fibre-based and hybrid-based NGA network TE are changing the traditional powering paradigm, the
present document proposes the viable measures to comply with the integrity, availability and uninterrupted
telephone/VoIP provision that European regulatory defines for public networks [i.18].
The present document describes different configurations of powering the TE and the impacts on networks and services
continuity and reliability:
• Local power supply for TE (e.g. street cabinet, active network termination, etc.).
• Remote Feeding to TE from central office through copper access pair.
• Cluster Power supply feeding power for a cluster of TE.
• Remote power feeding to TE from centre or cluster power through a power cable.
• Back feeding or Reverse Powering architecture that can supply power to Access Network Units such as ONU
or ONT or remote DSL unit from the customer premises through its final distribution access copper pair.

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This document provides a series of standard testing methods to determine the resistance of flat or curved surfaces against abrasion, scratch or punch under high dynamics as may occur for example by manually operating actuators or due to impacts of materials like shoes, cases, bags and other common objects of everyday’s usage inside an aircraft cabin. The method is also suitable to test the resistance of a surface against all other high dynamic strains.

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The present document specifies test severities and methods for the verification of the required resistibility of equipment
according to the relevant environmental class.
The tests in the present document apply to stationary use of equipment at weatherprotected locations covering the
environmental conditions stated in ETSI EN 300 019-1-3 [1].

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This part of IEC 60068 specifies a uniform and reproducible method of confirming that
temperature test chambers conform to the requirements specified in the climatic test procedures
of IEC 60068-2-1 and IEC 60068-2-2, when loaded with either heat-dissipating or non heatdissipating
specimens under conditions which take into account air circulation inside the
working space of the chamber. This document is intended primarily for users when conducting
regular chamber performance monitoring.

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This part of IEC 60721 provides guidance on the use of all parts of IEC 60721-3. It contains
background information including information on the application and limitation of the classes
given in various parts of IEC 60721-3 which can be used in the design, limitation of conditions
and protection of equipment.
Reference to IEC 60721-3-0 is important in order to avoid misuse of the classes defined in the
other parts of IEC 60721-3.

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IEC 60068-3-7:2020 is available as IEC 60068-3-7:2020 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
IEC 60068-3-7:2020 specifies a uniform and reproducible method of confirming that temperature test chambers conform to the requirements specified in the climatic test procedures of IEC 60068-2-1 and IEC 60068-2-2, when loaded with either heat-dissipating or non heat-dissipating specimens under conditions which take into account air circulation inside the working space of the chamber. This document is intended primarily for users when conducting regular chamber performance monitoring. This second edition cancels and replaces the first edition published in 2001. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
- verbal forms have, in many parts, been changed to express requirements instead of recommendations ('shall' instead of 'should');
- Table 1 has been updated.

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The present document proposes an evolved version of the Green Abstraction Layer formulation capable of operating within ETSI NFV environments.

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IEC 60721-3-0:2020 provides guidance on the use of all parts of IEC 60721-3. It contains background information including information on the application and limitation of the classes given in various parts of IEC 60721-3 which can be used in the design, limitation of conditions and protection of equipment.
This second edition cancels and replaces the first edition published in 1984 and Amendment 1:1987. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
a) This edition has been extensively simplified to only provide necessary information with regard to the process given in the other parts of IEC 60721-3 and information on class severity has been updated.

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IEC TR 63212:2020 provides a feasibility assessment to determine if harmonization of environmental performance criteria is possible and would benefit the electrotechnical industry.
This document is intended as a feasibility study report rather than a standard. It reports the possibility/opportunity to harmonize environmental performance criteria and, with it, the feasibility for future development of an international standard on environmental performance criteria. The learnings and recommendations of this document are based on the review of a number of prominent ecolabel standards available worldwide as well as outreach discussions with internal and external stakeholders.
To enable users of this document to visualize and better evaluate what such a future standard could look like, a concept for an international standard on harmonized criteria for environmental performance assessment of electrotechnical products has been proposed in Clause 8. It is not intended as a final proposal but rather a vision of how such a standard would be structured and how it could be implemented to meet the specific requirements that were identified in the study.
Once again, it is important to emphasize that the potential IEC standard on environmental performance criteria is not intended as an ecolabel standard, but it is intended to be a means for harmonization of the criteria (including the verification requirements of them) that are needed for creating such an ecolabel standard.

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IEC 62131-7:2020(E), reviews the available dynamic data relating to the transportation of electrotechnical equipment by rotorcraft (helicopters). The intent is that from all the available data an environmental description will be generated and compared to that set out in IEC 60721 (all parts).

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IEC TR 63141:2020(E) describes a new test method to control the volume of air injected into a conventional HAST chamber filled with water vapour. This document provides an overview of the conventional HAST chamber, an overview of the air-HAST equipment where air is incorporated into the HAST chamber, an example of an air-HAST test apparatus, and application examples of air-HAST.

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The present document specifies test methods and severities for verification of the required resistibility of equipment
according to the relevant environmental class.
The tests defined in the present document apply to stationary use at underground locations covering the environmental
conditions stated in ETSI EN 300 019-1-8 [1].

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This document applies primarily to electro-technical equipment but its application can be extended to other equipment and to components. In addition, if some type of analysis is always performed when making a seismic qualification, for example for the choice of the representative sample to be tested or for the extension of the seismic qualification from the tested specimen to similar specimens, the verification of the performance of an equipment by analysis or by a combination of testing and analysis can be acceptable but is outside the scope of this document, which is restricted to verification based entirely upon data from dynamic testing. This document deals solely with the seismic testing of a full-size equipment which can be tested on a vibration table. The seismic testing of an equipment is intended to demonstrate its ability to perform its required function during and/or after the time it is subjected to the stresses and displacements resulting from an earthquake. The object of this document is to present a range of methods of testing which, when specified by the relevant specification, can be applied to demonstrate the performance of equipment for which seismic testing is required with the main aim of achieving qualification.

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IEC 60068-3-3:2019 applies primarily to electro-technical equipment but its application can be extended to other equipment and to components. In addition, if some type of analysis is always performed when making a seismic qualification, for example for the choice of the representative sample to be tested or for the extension of the seismic qualification from the tested specimen to similar specimens, the verification of the performance of an equipment by analysis or by a combination of testing and analysis can be acceptable but is outside the scope of this document, which is restricted to verification based entirely upon data from dynamic testing. This second edition cancels and replaces the first edition published in 1991. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: - the main aim of this revision is to connect the testing level to the seismic activity level of the zone where the equipment could be installed; - a standard shape for the required response spectrum is also given for the general seismic class for which the seismic environment is either not known or is imprecisely known; - Clauses 11 to 15 were renumbered and some adjustments were made as their content is very general and the requirements can be applied both to the general seismic class and to the specific seismic class; - the word “envelope” is replaced with “dominance” and “to envelop” with “to dominate” in order to provide a more precise meaning from a mathematical point of view.

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ISO 35103:2017 gives requirements, specifications and guidelines to ensure that environmental monitoring in the offshore Arctic region is fit for purpose. The Arctic region includes the territory lying to the North of the Arctic Circle (Latitude 66°33′45.8″). This document can be applied to sub-Arctic locations which experience Arctic-like conditions and contain relevant components of a cold-climate ecosystem.
ISO 35103:2017 is applicable to all Arctic oil and gas operations from licence block acquisition through exploration, engineering design, construction, commissioning, operation, decommissioning and restoration. It covers the offshore or maritime environment, including for the purposes of this document, the fully marine and estuarine waters of the Arctic, whether frozen or ice-free. The environment includes all relevant physical, chemical and biological components. Monitoring methods for onshore (terrestrial) environments are not covered in this document, although onshore environments are included where monitoring is required at onshore locations in relation to an offshore development.
ISO 35103:2017 covers both monitoring of environmental aspects for normal, abnormal and emergency conditions, and monitoring of environmental impacts. It includes monitoring in near-field, far-field, transboundary and regional scales, but does not include global environmental monitoring.

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This document applies to the three main methods for measuring oxygen by its paramagnetic property, which are outlined in the introduction. It considers essential ancillary units and applies to analyzers installed indoors and outdoors. Safety-critical applications can require additional requirements from system and analyzer specifications not covered in this document. This document is intended - to specify terminology and definitions related to the functional performance of paramagnetic gas analyzers for the measurement of oxygen in a source gas; - to unify methods used in making and verifying statements on the functional performance of such analyzers; - to specify what tests are performed to determine the functional performance and how such tests are carried out; - to provide basic documents to support the application of internationally recognized quality management standards.

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Provides a standard test procedure for the purpose of evaluating the resistance of small electrotechnical products, primarily non-hermetically sealed components, to the deteriorative effect of damp heat. Is not intended to evaluate external effects such as corrosion and deformation.

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This document demonstrates the adequacy of specimens to resist dynamic loads without unacceptable degradation of its functional and/or structural integrity when subjected to the specified vibration test requirements as defined by a time history (long time history replication). These can either be recorded in measurement exercises or generated artificially. In both cases, this method allows for generating a test tailored to very specific applications. Typical applications are tests in which very specific deterministic transient, periodical or random excitation is necessary and the characteristics of the motion are not covered by other test standards. This includes time histories not sufficiently represented by the standard shock tests of IEC 60068-2-27 [2] or a general description by a shock response spectrum as in IEC 600682- 81 [3], periodical vibration that is not covered by a sinusoidal waveform as in IEC 60068-2-6, and random vibration that is not covered by the description of Gaussian or non- Gaussian (high kurtosis) broad-band random vibration of IEC 60068-2-64. However, the user is made aware that long time history replication uses a deterministic time history. Simulation of random vibration of any kind is approximated by quasi-random. In addition, additional mixed mode tests are possible with this test method by generating time histories that are representations of the required test signals. This includes tests of high complexity. The purpose of this test is different from IEC 60068-2-57 [4]. The purpose of IEC 60068-2-57 is an evaluation for a transient vibration using mainly a synthesized time history. A long time history test is mainly used for a durability and functionality test using an actual time history measured in a real field environment. It can also be used as a method to apply a simulated nongaussian time history. This document is applicable to specimens which can be subjected to vibration of a very specific nature resulting from transportation or operational environments, for example in aircraft, space vehicles and land vehicles. It is primarily intended for unpackaged specimens, and for items in their transportation container when the latter can be considered as part of the specimen itself. However, if the item is packaged, then the item itself is referred to as a product and the item and its packaging together are referred to as a test specimen. This document can be used in conjunction with IEC 60068-2-47, for testing packaged products. Although primarily intended for electrotechnical specimens, this document is not restricted to them and can be used in other fields where desired (see Annex A). This document is applicable for single axis excitation.

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Provides a standard test procedure for the purpose of evaluating the resistance of small electrotechnical products, primarily non-hermetically sealed components, to the deteriorative effect of damp heat. Is not intended to evaluate external effects such as corrosion and deformation.

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IEC 60068-3-3:2019 applies primarily to electro-technical equipment but its application can be extended to other equipment and to components. In addition, if some type of analysis is always performed when making a seismic qualification, for example for the choice of the representative sample to be tested or for the extension of the seismic qualification from the tested specimen to similar specimens, the verification of the performance of an equipment by analysis or by a combination of testing and analysis can be acceptable but is outside the scope of this document, which is restricted to verification based entirely upon data from dynamic testing. This second edition cancels and replaces the first edition published in 1991. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
- the main aim of this revision is to connect the testing level to the seismic activity level of the zone where the equipment could be installed;
- a standard shape for the required response spectrum is also given for the general seismic class for which the seismic environment is either not known or is imprecisely known;
- Clauses 11 to 15 were renumbered and some adjustments were made as their content is very general and the requirements can be applied both to the general seismic class and to the specific seismic class;
- the word “envelope” is replaced with “dominance” and “to envelop” with “to dominate” in order to provide a more precise meaning from a mathematical point of view.
The contents of the corrigendum of September 2021 have been included in this copy.

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IEC 60068-2-85:2019 demonstrates the adequacy of specimens to resist dynamic loads without unacceptable degradation of its functional and/or structural integrity when subjected to the specified vibration test requirements as defined by a time history (long time history replication). These can either be recorded in measurement exercises or generated artificially. In both cases, this method allows for generating a test tailored to very specific applications.

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IEC 61207-3:2019 is available as IEC 61207-3:2019 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition. IEC 61207-3:2019 applies to the three main methods for measuring oxygen by its paramagnetic property, which are outlined in the introduction. It considers essential ancillary units and applies to analyzers installed indoors and outdoors. Safety-critical applications can require additional requirements from system and analyzer specifications not covered in this document. This document is intended: - to specify terminology and definitions related to the functional performance of paramagnetic gas analyzers for the measurement of oxygen in a source gas; - to unify methods used in making and verifying statements on the functional performance of such analyzers; - to specify what tests are performed to determine the functional performance and how such tests are carried out; - to provide basic documents to support the application of internationally recognized quality management standards. This third edition cancels and replaces the second edition published in 2002. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) all references (normative and informative) have been updated, deleted or added to as appropriate; b) all the terms, descriptions and definitions relating to the document have been updated where appropriate; c) all references to “errors” have been replaced by “uncertainties” and appropriate updated definitions applied.

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This part of IEC 60721 classifies groups of environmental parameters and their severities to
which products are subjected when installed for stationary use at non-weatherprotected
locations. Weatherprotected locations where products can be mounted for stationary use
permanently or temporarily are addressed in IEC 60721-3-3.
The environmental conditions specified in this document are limited to those which can
directly affect the performance of products. Only environmental conditions as such are
considered. No special description of the effects of these conditions on the products is
provided.
Environmental conditions directly related to fire or explosion hazards, microclimate within a
product, and conditions related to effects from ionizing radiation are excluded. Any other
unforeseen incidents are also excluded.
A limited number of classes of environmental conditions is given, covering a broad field of
application.

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This part of IEC 60721 classifies groups of environmental parameters and their severities to
which products are subjected when installed for stationary use at weatherprotected locations.
The environmental conditions specified in this document are limited to those which can directly
affect the performance of products. Only environmental conditions as such are considered. No
special description of the effects of these conditions on the products is provided.
Environmental conditions directly related to explosion hazards, microclimate within a product,
fire extinction and ionizing radiation are excluded. Any other unforeseen incidents are also
excluded. The possibility of their occurrence can be considered as special cases. This
document does not cover equipment covered by building standards, codes or regulations.
Conditions of stationary use at non-weatherprotected locations, portable and non-stationary
use, use in vehicles and ships, conditions of storage and transportation, and microclimates
inside products are given in other parts of the IEC 60721-3 series.
A limited number of classes of environmental conditions is given, covering a broad field of
applications.

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This part of IEC 60068 specifies tests for the whiskering propensity of surface finishes of
electric or electronic components and mechanical parts such as punched/stamped parts (for
example, jumpers, electrostatic discharge protection shields, mechanical fixations, press-fit
pins and other mechanical parts used in electronic assemblies) representing the finished
stage, with tin or tin-alloy finish. Changes of the physical dimensions of mould compounds,
plastics and the like during the required test flow are not considered or assessed. The test
methods have been developed by using a knowledge-based approach.
This document can also be used at sub-suppliers, like plating shops, stamping shops or other
service providers to ensure a consistent surface quality within the supply chain.
These test methods are employed with defined acceptance criteria by a relevant component
or application specification.
The tests described in this document are applicable for initial qualification, for periodic
monitoring in accordance with Clause 7, and for changes of technology or manufacturing
processes of existing surfaces in accordance with Clause 9.
The mating area of connectors is not covered by this test method. IEC 60512-16-21 applies
for the mating areas of connectors.

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IEC 60721-3-3:2019 classifies groups of environmental parameters and their severities to which products are subjected when installed for stationary use at weatherprotected locations. This third edition cancels and replaces the second edition published in 1994, Amendment 1: 1995 and Amendment 2:1996. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) Clause 3: definitions aligned with IEC 60721-3-1. b) Clause 4: aligned with IEC 60721-3-1. c) Clause 5: Clause A.3 has been incorporated into Clause 5. d) Subclause 5.2: all existing climate classes have been replaced by completely new classes. The new classes are divided into two groups. The reason for the new classes is the latest revision of IEC 60721-2-1 which incorporates new climate types. e) Subclause 5.3: addition of a new class for low air pressure. f) Defined values of chemically active substances are now by reference to ISO 9223. g) Subclause 5.6: all existing classes for mechanically active substances have been replaced by completely new classes, in alignment with IEC 60721-3-1. h) Subclause 5.7: all existing classes for mechanical conditions have been replaced by completely new classes, in alignment with IEC 60721-3-1. i) Table 1: new climatic classes with new severities. j) Table 2: new class for low air pressure. k) Table 4: new mechanically active substances classes. l) Table 5: new mechanical conditions classes. m) Annex A: revised and includes a clean climatogram. n) Annex B: revised and includes the definition of seismic environment. o) All classes regarding fire, all combined classes, all chemically active substances classes, Clause A.2, Annexes C, D and E have been removed.

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IEC 60721-3-4:2019 classifies groups of environmental parameters and their severities to which products are subjected when installed for stationary use at non-weatherprotected locations. Weatherprotected locations where products can be mounted for stationary use permanently or temporarily are addressed in IEC 60721-3-3. This third edition cancels and replaces the second edition published in 1995 and Amendment 1:1996. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) Clause 1: reworded. b) Clause 2: normative references have been updated. c) Clause 3: definitions have been updated. d) Clause 4: reworded and simplified. e) Clause 5: revised and updated. Several classes have been replaced by completely new classes based on the use of new information obtained from referenced technical reports. f) Defined values of chemically active substances are now by reference to ISO 9223. g) Tables 1 through 5: updated.

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