ДСТУ EN 61043:2022 Электроакустика. Приборы для измерения интенсивности звука. Измерение с помощью пар микрофонов, воспринимающих давление (EN 61043:1994, IDT; IEC 61043:1993, IDT)



ДСТУ EN 61043:2022
(EN 61043:1994, IDT; IEC 61043:1993, IDT)

Електроакустика. Прилади для вимірювання
інтенсивності звуку. Вимірювання за допомогою пар
мікрофонів, що сприймають тиск

 
   
 
 
     
Не є офіційним виданням.
Офіційне видання розповсюджує національний орган стандартизації
(ДП «УкрНДНЦ» http://uas.gov.ua)

Contents

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

Annex A (normative) Periodic verification procedures

Annex B (informative) Sound intensity processors employing autoranging

Annex C (informative) Sound intensity processors based on DFT analysers converting narrow bands to octave or one-third octave

Annex D (informative) RC networks for generating known phase shifts

Annex E (informative) Dynamic capability index

Annex ZA (normative) Other international publications quoted in this standard with the references of the relevant European publications