SIST EN 300 019-2-3 V2.2.2:2006

• Abstract:

  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 Part 2-3 of this multi-part EN apply to stationary use of equipment at weatherprotected locations covering the environmental conditions stated in EN 300 019-1-3 [1].

• 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 300 019-2-3 V2.2.2 (2003-04) - Environmental Engineering (EE); Environmental conditions and environmental tests for telecommunications equipment; Part 2-3: Specification of environmental tests; Stationary use at weatherprotected locations

SIST EN 300 019-2-3 V2.2.2:2006 is the Slovenian adoption of ETSI EN 300 019-2-3 V2.2.2, an Environmental Engineering standard for telecommunications equipment. It specifies environmental test severities and test methods for stationary use at weatherprotected locations, so engineers, quality teams and buyers can check whether equipment is suitable for the environmental class it is intended to meet.

What does SIST EN 300 019-2-3 V2.2.2:2006 specify?

SIST EN 300 019-2-3 V2.2.2:2006 specifies the environmental tests used to verify the resistibility of telecommunications equipment for stationary use at weatherprotected locations. It links each environmental class to the climatic and mechanical tests that apply in practice.

Annex	What it covers
Annex A (informative)	Bibliography

The document is organized into a short front matter, Clause 1 Scope, Clause 2 References, Clause 3 Environmental test specifications, Clause 4 Earthquake test specification, Clause 5 Notes to tables, and Annex A. Clause 3 is the main body and is split into class-specific specifications for T 3.1 to T 3.6.

What are the key requirements of SIST EN 300 019-2-3 V2.2.2:2006?

SIST EN 300 019-2-3 V2.2.2:2006 is built around class-based test specifications. The practical point is that the product specification has to state the performance to be checked before, during and after testing, and it has to say whether the equipment is expected to operate or only survive a test condition.

General test setup and product specification

Clause 3 says the equipment under test is assumed to be operational throughout the test conditions unless stated otherwise. Input and load conditions should be chosen to fully utilize the equipment, and heat dissipation should be maximized except in the steady-state low-temperature test, where it should be minimized.

In practice, this means the test plan cannot be generic. The user of the standard must define the operating state and pass/fail criteria in the product specification, otherwise the test result is hard to interpret.

Climatic tests for the location classes

Clause 3.1 covers temperature-controlled locations, with a normal operating profile in T 3.1 and exceptional operating conditions in T 3.1E. Clause 3.2 covers partly temperature-controlled locations, Clause 3.3 covers not temperature-controlled locations, Clause 3.4 covers sites with heat-trap, Clause 3.5 covers sheltered locations, and Clause 3.6 covers control room locations.

The practical difference is severity. For example, T 3.1 and T 3.6 are for controlled indoor-like environments, while T 3.3 and T 3.4 include much wider temperature swings and additional exposure such as wind-driven rain, icing and frosting, or solar and heat effects.

Environmental effects that are treated as design conditions

Several environmental parameters are presented as characteristic severities rather than routine tests. The notes to tables 1 to 12 explain that chemically active substances, mechanically active substances, flora and fauna, low and high air pressure, some rain conditions, and solar or heat effects are often handled by design choices, material selection, or by the temperature test itself rather than by separate environmental tests.

That matters for procurement and design reviews. It tells the reader where the standard expects testing and where it expects the equipment design to already account for the exposure.

Mechanical vibration and shock

Clauses 3.1 to 3.6 specify vibration and shock testing for the different classes. The classes use IEC 60068-2 methods, including sinusoidal vibration, random vibration, and shock.

For practice, the important point is that the mechanical test level depends on the intended installation environment. Some classes also refer to IEC 60721-3-3 mechanical classes 3M3 and 3M5, and the notes explain that 3M3 is for less severe or less frequent mechanical stress, while 3M5 is used otherwise.

Earthquake testing

Clause 4 adds earthquake test requirements when the customer specifies earthquake conditions. The clause applies to classes 3.1 to 3.6 and begins with a vibration response investigation to find the lowest resonant frequency of the mounted specimen.

The investigation can be done by sine sweep or random testing, and then the earthquake time-history test uses a Required Response Spectrum (RRS) and a Zero Period Acceleration (ZPA). In practice, this means the mounting arrangement, cables, piping and other connections have to represent the worst case, because the response of the installed equipment is part of the result.

How to read the tables

The tables in Clause 3 give the actual test severities, methods and durations for each environmental parameter. The notes explain how to interpret values such as low and high temperature, humidity, vibration and shock, and when the severity is a design guide rather than a recommended test.

What terms does SIST EN 300 019-2-3 V2.2.2:2006 define?

• Environmental Engineering (EE) - ETSI’s area for defining environmental conditions and environmental tests for telecommunications equipment.
• Weatherprotected locations - locations where equipment is protected from direct weather exposure, which is the setting covered by this part.
• Temperature-controlled locations - permanently enclosed locations where temperature is controlled and humidity is usually not controlled.
• Partly temperature-controlled locations - enclosed locations without temperature or humidity control, but with heating used to avoid low temperatures.
• Required Response Spectrum (RRS) - the spectrum used in the earthquake time-history method to shape the seismic input.
• Zero Period Acceleration (ZPA) - the plateau acceleration level used in the earthquake time-history test.
• Acceleration Spectral Density (ASD) - the severity measure used for random vibration testing.
• 3M3 / 3M5 - IEC 60721-3-3 mechanical classes used in the vibration and shock specifications.

Who uses SIST EN 300 019-2-3 V2.2.2:2006?

SIST EN 300 019-2-3 V2.2.2:2006 is used by telecommunications equipment manufacturers, test laboratories, reliability engineers, quality managers and buyers who need to qualify equipment for stationary installation. It is also relevant when writing product specifications, selecting materials and components, planning environmental qualification tests, or setting acceptance criteria for equipment installed in weatherprotected indoor or sheltered locations.

Which standards are used with SIST EN 300 019-2-3 V2.2.2:2006?

Referenced document	What it contributes
EN 300 019-1-3	The environmental conditions classification for stationary use at weatherprotected locations.
IEC 60068-2	The environmental test methods used for cold, dry heat, damp heat, vibration, shock and related tests.
ETSI EN 300 019-2-0	The general introduction to part 2 of the EN 300 019 series.
IEC 60721-3-3	The mechanical class references used in some vibration and shock specifications.
ETSI ETR 035	Guidance and terminology for environmental engineering.

The foreword also places this document in the EN 300 019 series, where Part 1 classifies environmental conditions and the other Part 2 sub-parts cover storage, transportation, ground vehicles, ship environments, portable use and underground locations.

What does the SIST EN 300 019-2-3 V2.2.2:2006 document contain?

The document contains class-by-class climatic and mechanical test tables for T 3.1 to T 3.6, plus notes that explain how to use the severities. It also contains the earthquake test specification, including the vibration response investigation, the time-history method, and the Required Response Spectrum figure with the acceleration coordinates in a supporting table.

In practical terms, it gives test engineers a ready structure for qualification plans. It also gives product teams a way to match the intended installation environment to the correct test severity, method and mounting condition.

SLOVENSKI STANDARD
01-februar-2006
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Environmental Engineering (EE); Environmental conditions and environmental tests for
telecommunications equipment; Part 2-3: Specification of environmental tests; Stationary
use at weatherprotected locations
Ta slovenski standard je istoveten z: EN 300 019-2-3 Version 2.2.2
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 2-3: Specification of environmental tests;
Stationary use at weatherprotected locations

2 ETSI EN 300 019-2-3 V2.2.2 (2003-04)

Reference
REN/EE-01032-2-3[2]
Keywords
environment, testing
ETSI
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© European Telecommunications Standards Institute 2003.
All rights reserved.
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ETSI
3 ETSI EN 300 019-2-3 V2.2.2 (2003-04)
Contents
Intellectual Property Rights.4
Foreword.4
1 Scope.5
2 References.5
3 Environmental test specifications.5
3.1 Specifications T 3.1 and T 3.1E: Temperature-controlled locations .6
3.2 Specification T 3.2: Partly temperature-controlled locations .9
3.3 Specification T 3.3: Not temperature-controlled locations.12
3.4 Specification T 3.4: Sites with heat-trap .15
3.5 Specification T 3.5: Sheltered locations .18
3.6 Specifications T 3.6: Control room locations.21
4 Earthquake test specification.24
4.1 Vibration response investigation .24
4.2 Test conditioning.25
5 Notes to tables .26
5.1 General note.26
5.2 Notes to tables 1 to 12 .27
Annex A (informative): Bibliography.29
History .30

ETSI
4 ETSI EN 300 019-2-3 V2.2.2 (2003-04)
Intellectual Property Rights
IPRs essential or potentially essential to the present document may have been declared to ETSI. The information
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
respect of ETSI standards", which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web
server (http://webapp.etsi.org/IPR/home.asp).
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 2, sub-part 3 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"; (see note 1)
Part 2: "Specification of environmental tests"; (see note 2)
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".
NOTE 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.
NOTE 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 300 019-2-3 V2.2.2 (2003-04)
1 Scope
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 Part 2-3 of this multi-part EN apply to stationary use of equipment at weatherprotected locations covering
the environmental conditions stated in EN 300 019-1-3 [1].
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 EN 300 019-1-3: "Environmental Engineering (EE); Environmental conditions and
environmental tests for telecommunications equipment; Part 1-3: Classification of environmental
conditions; Stationary use at weatherprotected locations".
[2] IEC 60068-2: "Environmental testing - Part 2: Tests".
[3] ETSI EN 300 019-2-0: "Environmental Engineering (EE); Environmental conditions and
environmental tests for telecommunications equipment; Part 2-0: Specification of environmental
tests; Introduction".
[4] IEC 60721-3-3: "Classification of environmental conditions - Part 3: Classification of groups of
environmental parameters and their severities - Section 3: Stationary use at weatherprotected
locations".
[5] ETSI ETR 035: "Equipment Engineering (EE); Environmental engineering Guidance and
terminology".
3 Environmental test specifications
The detailed descriptions of the environmental conditions are in clauses 4 and 5 of EN 300 019-1-3 [1].
EN 300 019-2-0 [3] forms a general overview of part 2 of the present document.
The equipment under test is assumed to be in its operational state throughout the test conditions described in this part
unless otherwise stated. The required performance before, during and after the test needs to be specified in the product
specification. Input and load conditions of the equipment shall be chosen to obtain full utilization of the equipment
under test. The heat dissipation shall be maximized, except for the steady state, low temperature test, where it shall be
minimized.
ETSI
6 ETSI EN 300 019-2-3 V2.2.2 (2003-04)
3.1 Specifications T 3.1 and T 3.1E: Temperature-controlled locations
Specification T 3.1: Temperature-controlled locations - normal operating conditions.
This specification applies to permanently temperature-controlled enclosed locations where humidity is usually not controlled. See tables 1 and 2.
Table 1: Test specification T 3.1: Temperature-controlled locations - climatic tests
Environmental parameter Environmental Environmental test specification T3.1: In-use,
Class 3.1 Temperature-controlled locations
Type Parameter Detail parameter Characteristic Test severity Duration Reference Method Notes
severity
Low (°C) +5 +5 16 h IEC 60068-2-1 [2] Ab/Ad: Cold 1
High (°C) +40 +40 or +50 16 h IEC 60068-2-2 [2] Bb/Bd: Dry heat 2
Air temperature
Change (°C) +25/+40 half cycle IEC 60068-2-14 [2] Nb: Change of 3
(°C/min) 0,5 0,5 t = 3 h temperature
low (%) 5 none  4
high (%) 85 85 4 d IEC 60068-2-56 [2] Cb: Damp heat 5
Relative
(°C) +30 steady state
Humidity
condensation no
1 none  4
low (g/m )
Absolute
25   7
high (g/m )
low (kPa) 70 none  8
Pressure
Air
high (kPa) 106 none  8
Speed (m/s) 5,0 none  4
intensity no
Rain
low temperature no
Water
Other sources no
Icing & frosting no
Solar 700   10
(W/m )
Radiation
Heat 600   11
(W/m )
ETSI
7 ETSI EN 300 019-2-3 V2.2.2 (2003-04)
Environmental parameter Environmental Environmental test specification T3.1: In-use,
Class 3.1 Temperature-controlled locations
Type Parameter Detail parameter Characteristic Test severity Duration Reference Method Notes
severity (see clause 5)
0,3/1,0 none  12
SO (mg/m )
Sulphur
0,1/0,5 none  12
HS (mg/m )
salt mist sea and road salt none  12
0,1/0,3 none  12
Chlorine Cl (mg/m )
0,1/0,5 none  12
Chemically active substances HCI (mg/m )
0,5/1,0 none  12
NO (mg/m )
x
Nitrogen
1,0/3,0 none  12
NH (mg/m )
0,01/0,03 none  12
Hydrogen fluoride HF
(mg/m )
Ozone O 3
0,05/0,1 none  12
3 (mg/m )
sedimentation 1,5 none  12
Dust (mg/(m h))
Mechanically active substances
0,2 none  13
suspension (mg/m )
Sand 30 none  13
(mg/m )
Micro organisms negligible
Flora and fauna
Rodents, insects negligible
NOTE 1: no = this condition does not occur in this class.
NOTE 2: none = verification is required only in special cases.
NOTE 3: n = number of note, see clause 5.

Table 2: Test specification T 3.1: Temperature-controlled locations - mechanical tests
Environmental parameter Environmental Environmental test specification T 3.1: In-use,
Class 3.1 Temperature-controlled locations
Type Parameter Detail Characteristic Test severity Duration Reference Method Notes
parameter severity
Vibration Sinusoidal displacement (mm) 0,3   15
1,0 none
acceleration (m/s )
2-9 9-200
frequency range (Hz)
axes of vibration
Shocks Shocks shock spectrum Type L half sine IEC 60068-2-27 [2] Ea: Shock 18
duration (ms) 22 11
40 30
acceleration (m/s )
3 in each
number of shocks
6 direction
direction of shocks
NOTE 1: none = verification is required only in special cases
NOTE 2: n = number of note, see clause 5.

ETSI
8 ETSI EN 300 019-2-3 V2.2.2 (2003-04)
Specification T 3.1E: Temperature-controlled locations - exceptional operating conditions.
This specification applies to permanently temperature-controlled locations where humidity is usually not controlled. The reference class is the same as for T 3.1, but the test
specification relates to reduced performance requirements. See table 3.
Table 3: Test specification T 3.1E: Temperature-controlled locations, exceptional operating conditions - climatic tests
Environmental parameter Environmental Environmental test specification T 3.1E: In-use,
Condition 3.1E Temperature-controlled locations - Exceptional.
Type Parameter Detail parameter Characteristic Test severity Duration Reference Method Notes
severity
Low (°C) -5 -5 16 h IEC 60068-2-1 [2] Ab/Ad: Cold 1
High (°C) +45 +45 or +55 16 h IEC 60068-2-2 [2] Bb/Bd: Dry heat 2
Air
Change (°C) +25/+45 half cycle IEC 60068-2-14 [2] Nb: Change of 3
temperature
(°C/min) 0,5 0,5 t = 3 h temperature
low (%) 5 none  4
high (%) 90 93 4 d IEC 60068-2-56 [2] Cb: Damp heat 5
Relative
(°C) +30 steady state
Humidity
condensation no
1 none  4
low (g/m )
Absolute
3 25   7
high (g/m )
Solar 700   10
(W/m )
Radiation
Heat 600   11
(W/m )
NOTE 1: no = this condition does not occur in this class.
NOTE 2: none = verification is required only in special cases.
NOTE 3: n = number of note, see clause 5.

ETSI
9 ETSI EN 300 019-2-3 V2.2.2 (2003-04)
3.2 Specification T 3.2: Partly temperature-controlled locations
This specification applies to enclosed locations having neither temperature nor humidity control, but where heating may be used to avoid low temperatures. The building
construction avoids extremely high temperatures. See tables 4 and 5.
Table 4: Test specification T 3.2: Partly temperature-controlled locations - climatic tests
Environmental parameter Environmental Environmental test specification T3.2: In-use,
Class 3.2 Partly temperature-controlled locations
Type Parameter Detail parameter Characteristic Test severity Duration Reference Method Notes
severity
Low (°C) -5 -5 16 h IEC 60068-2-1 [2] Ab/Ad: Cold 1
High (°C) +45 +45 or +55 16 h IEC 60068-2-2 [2] Bb/Bd: Dry heat 2
Air
(°C) +25/+55 or half cycle IEC 60068-2-14 [2] Nb: Change of 3
temperature
Change  +25/+45 t = 3 h temperature
(°C/min) 0,5 0,5
low (%) 5 none  4
high (%) 95 93 4 d IEC 60068-2-56 [2] Cb: Damp heat 5
(°C) +30 steady state
Relative
condensation yes  IEC 60068-2-30 [2] Db: Damp heat 6
Humidity
(°C) +30° 1 cycle cyclic
(%) 90-100 Variant 1
1 none  4
low (g/m )
Absolute
29   7
high (g/m )
low (kPa) 70 none  8
Pressure
Air
high (kPa) 106 none  8
Speed (m/s) 5,0 none  4
intensity no
Rain
low temperature no
Water
Other sources no
Icing & frosting yes   4
2 700   10
Solar
(W/m )
Radiation
600   11
Heat
(W/m )
ETSI
10 ETSI EN 300 019-2-3 V2.2.2 (2003-04)
Environmental parameter Environmental Environmental test specification T3.2: In-use,
Class 3.2 Partly temperature-controlled locations
Type Parameter Detail parameter Characteristic Test severity Duration Reference Method Notes
severity
0,3/1,0 none  12
SO (mg/m )
Sulphur
0,1/0,5 none  12
HS (mg/m )
salt mist sea and road salt none  12
0,1/0,3 none  12
Chlorine Cl (mg/m )
Chemically
0,1/0,5 none  12
HCl (mg/m )
active
0,5/5,0 none  12
NO (mg/m )
substances
x
Nitrogen
1,0/3,0 none  12
NH (mg/m )
Hydrogen fluoride 0,01/0,03 none  12
(mg/m )
HF
Ozone O 0,05/0,1 none  12
(mg/m )
sedimentation 15   13
Mechanically
Dust (mg/(m h))
active
0,4   13
suspension (mg/m )
substances
300   13
Sand
(mg/m )
Flora and Micro organisms mould, fungus, etc. none  14
fauna
Rodents, insects rodents, etc. none  14
NOTE 1: no = this condition does not occur in this class.
NOTE 2: none = verification is required only in special cases.
NOTE 3: n = number of note, see clause 5.

ETSI
11 ETSI EN 300 019-2-3 V2.2.2 (2003-04)
Table 5: Test specification T 3.2: Partly temperature-controlled locations - mechanical tests
Environmental parameter Environmental Environmental test specification T 3.2: In-use,
Class 3.2 Partly temperature-controlled locations
Type Parameter Detail parameter Characteristic Test severity Duration Reference Method Notes
severity
velocity (mm/s) 5 IEC 60068-2-6 [2] Fc: Vibration 16
displacement (mm) 1,5  (sinusoidal)
5         2
Sinusoidal
acceleration (m/s )
2-9 9-200 5-62 62-200 3 x 5 sweep cycles
frequency range (Hz)
Vibration axes of vibration
2 3
no 0,02 IEC 60068-2-64 [2] Fh: Vibration, 17
ASD (m /s )
+12 -12 3 x 30 minutes broad-band

(dB/oct)
5-10 10-50 50-100 random
Random
frequency range (Hz)
3 (digital control)
axes of vibration
shock spectrum Type L half sine IEC 60068-2-27 [2] Ea: Shock 18
duration (ms) 22 11
40 30
Shocks Shocks
acceleration (m/s )
3 in each direction
number of shocks
directions of shocks
NOTE: n = number of note, see clause 5.

ETSI
12 ETSI EN 300 019-2-3 V2.2.2 (2003-04)
3.3 Specification T 3.3: Not temperature-controlled locations
This specification applies to weatherprotected or partially weatherprotected locations having neither temperature nor humidity control. See tables 6 and 7.
Table 6: Test specification T 3.3: Not temperature-controlled locations - climatic tests
Environmental parameter Environmental Environmental test specification T3.3: In-use,
Class 3.3 Not temperature-controlled locations
Type Parameter Detail parameter Characteristic Test severity Duration Reference Method Notes
severity
Low (°C) -25 -25 16 h IEC 60068-2-1 [2] Ab/Ad: Cold 1
High (°C) +55 +55 or +70 16 h IEC 60068-2-2 [2] Bb/Bd: Dry heat 2
Air
temperature (°C) -5/+45 1 cycle IEC 60068-2-14 [2] Nb: Change of 3
Change
(°C/min) 0,5 0,5 t = 3 h temperature
low (%) 10 none  4
high (%) 100 93 4 d IEC 60068-2-56 [2] Cb: Damp heat 5

(°C) +30 steady state
Relative
condensation yes  IEC 60068-2-30 [2] Db: Damp heat 6

(%) 90-100 2 cycles cyclic Variant 1
Humidity
(°C) +30
0,5 none  4
low (g/m )
Absolute
29   7
high (g/m )
low (kPa) 70 none  8
Pressure
Air
high (kPa) 106 none  8
Speed (m/s) 5,0 none  4
intensity wind driven   9
Rain
low temperature no
Water
Other sources dripping water   4
Icing & frosting yes   4
1 200   10
Solar
(W/m )
Radiation
600   11
Heat
(W/m )
ETSI
13 ETSI EN 300 019-2-3 V2.2.2 (2003-04)
Environmental parameter Environmental Environmental test specification T3.3: In-use,
Class 3.3 Not temperature-controlled locations
Type Parameter Detail parameter Characteristic Test severity Duration Reference Method Notes
severity
0,3/1,0 none  12
SO (mg/m )
Sulphur
0,1/0,5 none  12
HS (mg/m )
salt mist sea and road salt none  12
0,1/0,3 none  12
Chlorine Cl (mg/m )
Chemically
0,1/0,5 none  12
HCl (mg/m )
active
0,5/1,0 none  12
NO (mg/m )
substances
x
Nitrogen
1,0/3,0 none  12
NH (mg/m )
Hydrogen fluoride 0,01/0,03 none  12
(mg/m )
HF
Ozone O 0,05/0,1 none  12
(mg/m )
15   13
sedimentation (mg/(m h))
Mechanically
Dust
0,4   13
active
suspension (mg/m )
substances
300   13
Sand
(mg/m )
Flora and Micro organisms mould, fungus, etc. none  14
fauna Rodents, insects rodents, etc. none  14
NOTE 1: no = this condition does not occur in this class.
NOTE 2: none = verification is required only in special cases.
NOTE 3: n = number of note, see clause 5.

ETSI
14 ETSI EN 300 019-2-3 V2.2.2 (2003-04)
Table 7: Test specification T 3.3: Not temperature-controlled locations - mechanical tests
Environmental parameter Environmental Environmental test specification T 3.3: In-use,
Class 3.3 Not temperature-controlled locations
Type Parameter Detail Characteristic Test severity Duration Reference Method Notes
parameter severity
velocity (mm/s) 5 IEC 60068-2-6 [2] Fc: Vibration 16
displacement (mm) 1,5  (sinusoidal)
5           2
Vibration Sinusoidal
acceleration (m/s )
2-9 9-200 5-62 62-200 3 x 5 sweep
frequency range (Hz)
3 cycles
axes of vibration
2 3
no 0,02 IEC 60068-2-64 [2] Fh: Vibration, 17
ASD (m /s )
+12 -12 3 x 30 minutes broad-band
(dB/oct)
Random 5-10 10-50 50-100 random
frequency range (Hz)
3 (digital
axes of vibra
...