SIST EN 300 019-1-7 V2.1.4:2006

• Abstract:

  The present document defines classes of environmental conditions and their severities to which telecommunication equipment may be exposed. The severities specified are those which will have a low probability of being exceeded; generally less than 1 %. The present document applies to equipment during portable and non-stationary use including periods of transfer, down time, maintenance and repair at locations defined in clauses 3 to 5.

• Status: Published
• Publication Date: 31-Jan-2006
• ICS: 19.040 - Environmental testing
• ICS: 33.050.01 - Telecommunication terminal equipment in general
• Technical Committee: SS EIT - Technical Board for the electrotechnical, information technology and telecommunications fields
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 01-Feb-2006
• Due Date: 01-Feb-2006
• Completion Date: 01-Feb-2006
• Ref Project: ETSI EN 300 019-1-7 V2.1.4 (2003-04) - Environmental Engineering (EE); Environmental conditions and environmental tests for telecommunications equipment; Part 1-7: Classification of environmental conditions; Portable and non-stationary use

SIST EN 300 019-1-7 V2.1.4:2006 is the Slovenian adoption of ETSI EN 300 019-1-7 V2.1.4 for Environmental Engineering (EE) in telecommunications equipment. It specifies environmental condition classes and their severities for portable and non-stationary use, including transfer, downtime, maintenance and repair, so engineers, quality teams and buyers can match equipment to the conditions it will really face.

What does SIST EN 300 019-1-7 V2.1.4:2006 specify?

SIST EN 300 019-1-7 V2.1.4:2006 classifies the environmental conditions for telecommunication equipment used away from fixed installation. The severities are chosen as conditions with a low probability of being exceeded, generally less than 1%.

The document is organized into scope, references, definitions, environmental classes, and environmental conditions. The class descriptions are given in clauses 4.1 to 4.4, and the condition limits are set out in clause 5 with figures 1 to 4 and tables 1 to 5.

The scope applies to equipment during portable and non-stationary use, including movement between places and periods when the equipment is not in service. In practice, that means the standard is aimed at products that are carried, transported, set down, serviced and put back into use.

What are the key requirements of SIST EN 300 019-1-7 V2.1.4:2006?

The standard requires the user to classify the expected environment first, then choose the matching mechanical class. Two mechanical classes, 7M2 and 7M3, cover all the environmental classes in this part, and 7M3 is the severe case for rough handling, severe shocks and vibration from transfer means or rotating machinery.

Environmental class selection

• Class 7.1 applies to temperature-controlled enclosed locations and direct transfer between them. It is intended for normal indoor areas such as offices, workshops and telecom centres, where humidity is usually not controlled but extreme temperatures are prevented.
• Class 7.2 applies to enclosed locations without temperature or humidity control. It allows conditions such as condensation, icing, water from sources other than rain, and proximity to sand or dust.
• Class 7.3 applies to partly weatherprotected locations and to non-weatherprotected locations in a Warm Temperate climate. It covers direct solar radiation, precipitation and stronger exposure to dust and moisture.
• Class 7.3E extends class 7.3 to partly weatherprotected locations in buildings of any construction except extremely cold and cold climates, and to non-weatherprotected locations in moderate open-air climates.

Environmental condition limits

Table 1 gives the climatic limits for each class, including low and high air temperature, relative humidity, absolute humidity, air pressure, solar radiation, heat radiation, air movement, condensation, precipitation, rain intensity, water exposure, and ice and frost formation. This is the core selection tool for deciding whether the intended site and transfer path fit the class.

Table 2 sets the biological conditions. For classes 7.2, 7.3 and 7.3E, it allows mould, fungus, rodents and other harmful animals except termites, so equipment may need protection against growth and infestation.

Table 3 defines chemically active substances. It also points to a special chemical class 7C1 for long-term exposure to several contaminants together, which matters where air pollution is more than incidental.

Table 4 covers mechanically active substances. It distinguishes sand and dust in suspension and dust by sedimentation, which is important for sealing, filtering and maintenance planning.

Table 5 gives the mechanical conditions, including stationary vibration, random vibration, shock and free fall. This helps designers and test engineers check whether an enclosure, mounting or packaging will tolerate transfer and handling.

What terms does SIST EN 300 019-1-7 V2.1.4:2006 define?

Absolute humidity is the mass of water vapour in one cubic metre of dry air in an air-water vapour mixture.

Relative humidity is the ratio of water vapour partial pressure in moist air to the saturated vapour pressure at the same temperature.

Non-weatherprotected location is a place where equipment is not protected from direct weather influences.

Portable and non-stationary use means equipment that is moved frequently from place to place and is not permanently mounted at a fixed site.

Weatherprotected location is a place where equipment is protected from direct weather influences; the document distinguishes partly weatherprotected and totally weatherprotected locations.

Who uses SIST EN 300 019-1-7 V2.1.4:2006?

Telecommunication equipment manufacturers use this standard to define the environment a product must survive. Test laboratories use it to classify conditions before applying the matching environmental tests from the related test part.

Quality managers and buyers use it to state environmental expectations in specifications and procurement. Service providers and system integrators use it when equipment will be transported, carried or maintained between sites.

Which standards are used with SIST EN 300 019-1-7 V2.1.4:2006?

• ETSI ETR 035 - provides guidance and terminology for environmental engineering.
• IEC 60721-3-7 - gives the corresponding international classification for portable and non-stationary use.
• IEC 60721-2-1 - provides climatic condition data for temperature and humidity in nature.
• IEC 60068-2-27 - supplies the shock test method and guidance used with the mechanical classification.
• ETSI EN 300 019-1-8 - covers stationary use at underground locations, which is referenced for related underground cases.
• Part 1-0 - gives the general overview of the Part 1 classification series.
• Part 2 - specifies the recommended test severities and test methods for the environmental classes.

What does the SIST EN 300 019-1-7 V2.1.4:2006 document contain?

The document contains four climatograms, one for each class 7.1 to 7.3E, showing the temperature and humidity envelopes used to classify the environment. It also contains five tables that set climatic, biological, chemically active, mechanically active and mechanical conditions.

Those tables and figures are used for environmental classification, product design and environmental testing. In practice, they help a user decide the right class, understand the expected exposure, and choose the matching test plan in the companion test part.

SLOVENSKI STANDARD
01-februar-2006
Okoljski inženiring (EE) – Okoljski pogoji in preskusi vplivov okolja na
telekomunikacijsko opremo – 1-7. del: Klasifikacija okoljskih pogojev – Prenosna
in nefiksna uporaba
Environmental Engineering (EE); Environmental conditions and environmental tests for
telecommunications equipment; Part 1-7: Classification of environmental conditions;
Portable and non-stationary use
Ta slovenski standard je istoveten z: EN 300 019-1-7 Version 2.1.4
ICS:
19.040 Preskušanje v zvezi z Environmental testing
okoljem
33.050.01 Telekomunikacijska Telecommunication terminal
terminalska oprema na equipment in general
splošno
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

European Standard (Telecommunications series)

Environmental Engineering (EE);
Environmental conditions and environmental tests
for telecommunications equipment;
Part 1-7: Classification of environmental conditions;
Portable and non-stationary use

2 ETSI EN 300 019-1-7 V2.1.4 (2003-04)

Reference
REN/EE-01027-1-7[2]
Keywords
environment, equipment practice, testing
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ETSI
3 ETSI EN 300 019-1-7 V2.1.4 (2003-04)
Contents
Intellectual Property Rights.4
Foreword.4
1 Scope.5
2 References.5
3 Definitions.5
4 Environmental classes.6
4.1 Class 7.1: temperature controlled locations.6
4.2 Class 7.2: partly temperature-controlled locations .7
4.3 Class 7.3: partly weatherprotected and non-weatherprotected locations.8
4.4 Class 7.3E: partly weatherprotected and non-weatherprotected locations - extended.9
5 Environmental conditions.10
5.1 Climatic conditions.10
5.2 Biological conditions.11
5.3 Chemically active substances .11
5.4 Mechanically active substances.11
5.5 Mechanical conditions.12
History .13

ETSI
4 ETSI EN 300 019-1-7 V2.1.4 (2003-04)
Intellectual Property Rights
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pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found
in ETSI SR 000 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in
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All published ETSI deliverables shall include information which directs the reader to the above source of information.
Foreword
This European Standard (Telecommunications series) has been produced by ETSI Technical Committee Environmental
Engineering (EE).
The present document is part 1, sub-part 7 of a multi-part deliverable covering the classification of environmental
conditions and environmental tests for telecommunications equipment, as identified below:
Part 1: "Classification of environmental conditions";
Sub-part 0: "Introduction";
Sub-part 1: "Storage";
Sub-part 2: "Transportation";
Sub-part 3: "Stationary use at weatherprotected locations";
Sub-part 4: "Stationary use at non-weatherprotected locations";
Sub-part 5: "Ground vehicle installations";
Sub-part 6: "Ship environments";
Sub-part 7: "Portable and non-stationary use";
Sub-part 8: "Stationary use at underground locations";
Part 2: "Specification of environmental tests".
Part 1 specifies different standardized environmental classes covering climatic and biological conditions, chemically
and mechanically active substances and mechanical conditions during storage, transportation and in use.
Part 1-0 forms a general overview of part 1.
Part 2 specifies the recommended test severities and test methods for the different environmental classes.

National transposition dates
Date of latest announcement of this EN (doa): 31 July 2003
Date of latest publication of new National Standard
or endorsement of this EN (dop/e): 31 January 2004
Date of withdrawal of any conflicting National Standard (dow): 31 January 2004

ETSI
5 ETSI EN 300 019-1-7 V2.1.4 (2003-04)
1 Scope
The present document defines classes of environmental conditions and their severities to which telecommunication
equipment may be exposed. The severities specified are those which will have a low probability of being exceeded;
generally less than 1 %.
The present document applies to equipment during portable and non-stationary use including periods of transfer, down
time, maintenance and repair at locations defined in clauses 3 to 5.
2 References
The following documents contain provisions which, through reference in this text, constitute provisions of the present
document.
• References are either specific (identified by date of publication and/or edition number or version number) or
non-specific.
• For a specific reference, subsequent revisions do not apply.
• For a non-specific reference, the latest version applies.
Referenced documents which are not found to be publicly available in the expected location might be found at
http://docbox.etsi.org/Reference.
[1] ETSI ETR 035: "Equipment Engineering (EE); Environmental engineering; Guidance and
terminology".
[2] IEC 60721-3-7: "Classification of environmental conditions - Part 3: Classification of groups of
environmental parameters and their severities - Section 7: Portable and non-stationary use".
[3] IEC 60721-2-1: "Classification of environmental conditions. Part 2: Environmental conditions
appearing in nature. Temperature and humidity".
[4] IEC 60068-2-27: "Environmental testing. Part 2: Tests. Test Ea and guidance: Shock".
[5] ETSI EN 300 019-1-8: "Environmental Engineering (EE); Environmental conditions and
environmental tests for telecommunications equipment; Part 1-8: Classification of environmental
conditions; Stationary use at underground locations".
3 Definitions
For the purposes of the present document, the following terms and definitions apply:
absolute humidity: mass of water vapour in grammes which is associated with one cubic metre of dry air in an
air/water vapour mixture
non-weatherprotected location: location at which the equipment is not protected from direct weather influences
portable and non-stationary use: equipment which may be moved frequently from place to place
NOTE: The total transfer time may amount to a significant portion of the equipment's lifetime. The equipment is
not permanently mounted on any structure or placed at a fixed site. The equipment may be operating
while being either in a stationary or in a transfer state.
relative humidity: ratio of the partial pressure of the water vapour in moist air at a given temperature, to the partial
pressure of the water vapour in saturated air at the same temperature
ETSI
6 ETSI EN 300 019-1-7 V2.1.4 (2003-04)
weatherprotected location: location at which the equipment is protected from direct weather influences
NOTE 1: Partly weatherprotected location (sheltered location): direct weather influences are not completely
excluded.
NOTE 2: Totally weatherprotected location (enclosed location): direct weather influences are totally excluded.
4 Environmental classes
Two mechanical classes, 7M2 and 7M3, are used and cover all the environmental classes 7.1 to 7.3E.
The relevant class is determined by consideration of the expected handling, means of transfer and complete use-profile
of the equipment.
The special, severe, class 7M3 applies to use only in circumstances where the equipment is exposed to rough handling,
severe shocks and vibration e.g. from the means of transfer or rotating machinery.
The classes shown in parentheses, e.g. (7C1), may be selected for special applications.
4.1 Class 7.1: temperature controlled locations
This class is a combination of classes 7K1/7Z2/7Z4/7B1/7C2(7C1)/7S1/7M2 or 7M3 in IEC 60721-3-7 [2].
This class applies to use at, and direct transfer between, permanently temperature-controlled and enclosed locations.
Humidity is usually not controlled. The climatogram is shown in figure 1.
Heating, cooling or humidification is used, where necessary, to maintain the required conditions, especially where there
is a large difference between the internal climate and that open-air climate. Heating or cooling may be switched off for
periods but the occurrence of extremely high or low temperatures is prevented.
This class applies to use at, and transfer between, locations:
- where the equipment may be exposed to solar radiation and to heat radiation. It may also be exposed to
movements of the surrounding air (e.g. due to draughts in buildings through open windows) and to condensed
water. It is not subjected to precipitation, or water from sources other than rain or icing;
- without particular risk of biological attack. This includes protective measures, e.g. special
...