10/30194376 DC : 0
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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BS EN 62585 ED.1 - ELECTROACOUSTICS - METHODS TO DETERMINE CORRECTIONS TO OBTAIN FREE-FIELD RESPONSE OF A SOUND LEVEL METER
Hardcopy , PDF
11-30-2012
English
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FOREWORD
1 Scope
2 Normative references
3 Terms and definitions
4 Reference environmental conditions
5 Uncertainties of measurement
6 General requirements for measurement of
adjustment value and corrections
7 Submission and inspection
8 Determination of the adjustment value at the
calibration check frequency
9 Determination of corrections for the typical
effects of reflections from the case of the
sound level meter and diffraction of sound
around the microphone
10 Determination of corrections for the deviation
of the microphone free-field frequency response
from a uniform frequency response
11 Determination of corrections for the use of
windscreens and similar accessories
12 Determination of corrections over a range of
frequencies when a sound calibrator is recommended
for use by the sound level meter manufacturer
13 Determination of corrections over a range of
frequencies when a comparison coupler is
recommended for use by the sound level meter
manufacturer
14 Determination of corrections over a range of
frequencies when an electrostatic actuator is
recommended for use by the sound level meter
manufacturer
15 Documentation
Annex A (normative) - Calibration check frequency
- Adjustment value
Annex B (normative) - Determination of the effects of
reflections from the case of the sound level
meter and diffraction of sound around the microphone
Annex C (normative) - Determination of the effects of
the use of windscreens and similar accessories
Annex D (informative) - Determination of corrections for
use with sound calibrators to determine equivalent
free-field response at all frequencies of interest
Annex E (informative) - Determination of corrections for
use with comparison couplers to determine equivalent
free-field frequency response at all frequencies
of interest
Annex F (informative) - Determination of corrections for
use with electrostatic actuators to determine
equivalent free-field frequency response at all
frequencies of interest
Annex G (informative) - Comparison techniques
Annex H (informative) - Exact one-twelfth-octave frequencies
Annex I (informative) - Example calculations of expanded
uncertainty of measurement
Bibliography
BS EN 62585 ED.1
| Committee |
EPL/29
|
| DocumentType |
Draft
|
| Pages |
48
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy |
| IEC 61672-2:2013+AMD1:2017 CSV | Electroacoustics - Sound level meters - Part 2: Pattern evaluation tests |
| IEC 61094-5:2016 | Electroacoustics - Measurement microphones - Part 5: Methods for pressure calibration of working standard microphones by comparison |
| IEC TS 61094-7:2006 | Measurement microphones - Part 7: Values for the difference between free-field and pressure sensitivity levels of laboratory standard microphones |
| IEC 60942:2003 | Electroacoustics - Sound calibrators |
| IEC 61094-1:2000 | Measurement microphones - Part 1: Specifications for laboratory standard microphones |
| ISO/IEC Guide 99:2007 | International vocabulary of metrology Basic and general concepts and associated terms (VIM) |
| ISO 18233:2006 | Acoustics Application of new measurement methods in building and room acoustics |
| IEC 61094-2:2009 | Electroacoustics - Measurement microphones - Part 2: Primary method for pressure calibration of laboratory standard microphones by the reciprocity technique |
| IEC 61672-3:2013 | Electroacoustics - Sound level meters - Part 3: Periodic tests |
| IEC 61094-6:2004 | Measurement microphones - Part 6: Electrostatic actuators for determination of frequency response |
| IEC 61260:1995 | Electroacoustics - Octave-band and fractional-octave-band filters |
| ISO/IEC Guide 98-3:2008 | Uncertainty of measurement — Part 3: Guide to the expression of uncertainty in measurement (GUM:1995) |
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