ECMA 74 : 14ED 2017
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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MEASUREMENT OF AIRBORNE NOISE EMITTED BY INFORMATION TECHNOLOGY AND TELECOMMUNICATIONS EQUIPMENT
12-01-2013
04-02-2021
1 Scope
2 Normative references
3 Terms and definitions
4 Conformity requirements
5 Installation and operating conditions
6 Method for determination of sound power
levels of equipment in reverberation test rooms
7 Method for determination of sound power levels
of equipment under essentially free-field conditions
over a reflecting plane
8 Method for determination of emission sound pressure
levels at defined operator and bystander positions
9 Information to be recorded and reported
Annex A (normative) - Test accessories
Annex B (normative) - Measurement surfaces
Annex C (normative) - Installation and operating
conditions for specific equipment categories
Annex D (informative) - Identification and evaluation
of prominent discrete tones
Annex E (informative) - Detection of impulsive noise
Bibliography
Describes procedures for measuring and reporting the noise emission of information technology and telecommunications equipment.
| DocumentType |
Standard
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| PublisherName |
European Computer Manufacturers Association
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| Status |
Superseded
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| SupersededBy |