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EN 61043:1994

Current
Current

The latest, up-to-date edition.

Electroacoustics - Instruments for the measurement of sound intensity - Measurement with pairs of pressure sensing microphones
Published date

01-18-1994

Cooperating organizations
National foreword
Foreword
Introduction
1. Scope
2. Normative references
3. Definitions
4. Grades of accuracy
5. Reference environmental conditions
6. Sound intensity processors: requirements
6.1 Frequency range
6.2 Filtering
6.3 A-weighting
6.4 Indicator accuracy
6.5 Provision for microphone separation
6.6 Presentation of results
6.7 Time averaging
6.8 Crest factor handling
6.9 Pressure-residual intensity index
6.10 Provision for phase compensation
6.11 Provision for range setting
6.12 Provision for overload indication
6.13 Provision for corrections for atmospheric pressure
      and temperature
6.14 Operating environment
7. Sound intensity probes: requirements
7.1 Mechanical construction
7.2 Response to sound pressure
7.3 Response to sound intensity
7.4 Directional response characteristics
7.5 Performance in a standing wave field
7.6 Pressure-residual intensity index
7.7 Environmental conditions
8. Sound intensity instruments: requirements
9. Power supplies: requirements
10. Sound intensity probe calibrators: requirements
10.1 Sound pressure calibrators
10.2 Residual intensity testing devices
10.3 Sound intensity calibrators
11. Sound intensity processors: performance verification
11.1 Octave and one-third octave filters
11.2 Sound intensity indication
11.3 Time averaging
11.4 Crest factor handling
11.5 Pressure-residual intensity index and operating
      range
12. Sound intensity probes: performance verification
12.1 Frequency response
12.2 Directional response
12.3 Performance in a standing wave field
12.4 Pressure-residual intensity index
13. Calibrators: performance verification
13.1 Sound pressure calibrators
13.2 Residual intensity testing devices
13.3 Sound intensity calibrators
14. Field calibration and checks
15. Marking and instruction manuals
15.1 Marking
15.2 Instruction manuals
Annexes
A. Periodic verification procedures
B. Sound intensity processors employing autoranging
C. Sound intensity processors based on DFT analysers
      converting narrow bands to octave or on-third
      octave
D. RC networks for generating known phase shifts
E. Dynamic capability index
Annex ZA (normative) Other international publications
quoted in this standard with the references of the
relevant European publications
National annex NA (informative) Committees responsible
National annex NB (informative) Cross-references

Applies to instruments which detect sound intensity by pairs of spatially separated pressure sensing microphones and specifies performance requirements for instruments used for the measurement of sound intensity, and their associated calibrators. The purpose of this standard is to ensure the accuracy of measurements of sound intensity applied to the determination of sound power in accordance with ISO 9614. To meet the requirements of that standard, instruments are required to analyse the sound intensity in one-third octave or octave bands, and optionally to provide A-weighted band levels.

Committee
CLC/SR 29
DocumentType
Standard
PublisherName
European Committee for Standards - Electrical
Status
Current

Standards Relationship
IEC 61043:1993 Identical
NEN 11043 : 1994 Identical
CEI EN 61043 : 1998 Identical
NBN EN 61043 : 1996 Identical
NF EN 61043 : 1994 Identical
I.S. EN 61043:1996 Identical
UNE-EN 61043:1999 Identical
PN EN 61043 : 2001 Identical
DIN EN 61043:1994-05 Identical
SN EN 61043 : 1994 Identical
BS EN 61043:1994 Identical

UNE-EN 16286-2:2014 Railway applications - Gangway systems between vehicles - Part 2: Acoustic measurements
BS EN 60076-10:2016 Power transformers Determination of sound levels
DIN EN 16286-2:2013-09 Railway applications - Gangway systems between vehicles - Part 2: Acoustic measurements
CEI EN 60076-10 : 2002 POWER TRANSFORMERS - PART 10: DETERMINATION OF SOUND LEVELS
UNI EN 16286-2 : 2013 RAILWAY APPLICATIONS - GANGWAY SYSTEMS BETWEEN VEHICLES - PART 2: ACOUSTIC MEASUREMENTS
I.S. EN 60076-10:2016 POWER TRANSFORMERS - PART 10: DETERMINATION OF SOUND LEVELS
EN 16286-2:2013 Railway applications - Gangway systems between vehicles - Part 2: Acoustic measurements
BS EN 16286-2:2013 Railway applications. Gangway systems between vehicles Acoustic measurements
UNE-EN 60076-10:2017 Power transformers - Part 10: Determination of sound levels
I.S. EN 16286-2:2013 RAILWAY APPLICATIONS - GANGWAY SYSTEMS BETWEEN VEHICLES - PART 2: ACOUSTIC MEASUREMENTS
EN 60076-10:2016 Power transformers - Part 10: Determination of sound levels

ISO 9614-1:1993 Acoustics — Determination of sound power levels of noise sources using sound intensity — Part 1: Measurement at discrete points
IEC 60942:2003 Electroacoustics - Sound calibrators
IEC 60651:1979+AMD1:1993+AMD2:2000 CSV Sound level meters

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