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Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
MEASUREMENT OF AIRBORNE NOISE EMITTED BY INFORMATION TECHNOLOGY AND TELECOMMUNICATIONS EQUIPMENT
04-02-2021
12-01-2013
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
|
| PublisherName |
European Computer Manufacturers Association
|
| Status |
Superseded
|
| SupersededBy |
| ISO 12001:1996 | Acoustics — Noise emitted by machinery and equipment — Rules for the drafting and presentation of a noise test code |
| ISO 10302-2:2011 | Acoustics — Measurement of airborne noise emitted and structure-borne vibration induced by small air-moving devices — Part 2: Structure-borne vibration measurements |
| ISO 3744:2010 | Acoustics Determination of sound power levels and sound energy levels of noise sources using sound pressure Engineering methods for an essentially free field over a reflecting plane |
| ISO 389-7:2005 | Acoustics Reference zero for the calibration of audiometric equipment Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions |
| ISO/TR 25417:2007 | Acoustics Definitions of basic quantities and terms |
| IEC 60942:2003 | Electroacoustics - Sound calibrators |
| ISO 266:1997 | Acoustics — Preferred frequencies |
| ISO 9296:2017 | Acoustics — Declared noise emission values of information technology and telecommunications equipment |
| ECMA 108 : 6ED 2016 | DETERMINATION OF HIGH-FREQUENCY SOUND POWER LEVELS EMITTED BY INFORMATION TECHNOLOGY AND TELECOMMUNICATIONS EQUIPMENT |
| ISO 28961:2012 | Acoustics — Statistical distribution of hearing thresholds of otologically normal persons in the age range from 18 years to 25 years under free-field listening conditions |
| IEC 61947-1:2002 | Electronic projection - Measurement and documentation of key performance criteria - Part 1: Fixed resolution projectors |
| ISO 10996:1999 | Photography Still-picture projectors Determination of noise emissions |
| ISO 80000-8:2007 | Quantities and units Part 8: Acoustics |
| ISO/IEC 11160-1:1996 | Information technology Office equipment Minimum information to be included in specification sheets Printers Part 1: Class 1 and Class 2 printers |
| ISO 9295:2015 | Acoustics Determination of high-frequency sound power levels emitted by machinery and equipment |
| ISO 6926:2016 | Acoustics Requirements for the performance and calibration of reference sound sources used for the determination of sound power levels |
| IEC 61947-2:2001 | Electronic projection - Measurement and documentation of key performance criteria - Part 2: Variable resolution projectors |
| ISO 10302-1:2011 | Acoustics — Measurement of airborne noise emitted and structure-borne vibration induced by small air-moving devices — Part 1: Airborne noise measurement |
| ISO 11203:1995 | Acoustics — Noise emitted by machinery and equipment — Determination of emission sound pressure levels at a work station and at other specified positions from the sound power level |
| ISO 3741:2010 | Acoustics — Determination of sound power levels and sound energy levels of noise sources using sound pressure — Precision methods for reverberation test rooms |
| ISO 3745:2012 | Acoustics — Determination of sound power levels and sound energy levels of noise sources using sound pressure — Precision methods for anechoic rooms and hemi-anechoic rooms |
| IEC 61260:1995 | Electroacoustics - Octave-band and fractional-octave-band filters |
| ECMA 109 : 7ED 2016 | DECLARED NOISE EMISSION VALUES OF INFORMATION TECHNOLOGY AND TELECOMMUNICATIONS EQUIPMENT |
| ECMA/TR 27 : 2ED 95 | METHOD FOR THE PREDICTION OF INSTALLATION NOISE LEVELS |
| ISO 11201:2010 | Acoustics Noise emitted by machinery and equipment Determination of emission sound pressure levels at a work station and at other specified positions in an essentially free field over a reflecting plane with negligible environmental corrections |
| ISO 7779:2010 | Acoustics Measurement of airborne noise emitted by information technology and telecommunications equipment |
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