I.S. EN 60318-6:2008
Current
The latest, up-to-date edition.
ELECTROACOUSTICS - SIMULATORS OF HUMAN HEAD AND EAR - PART 6: MECHANICAL COUPLER FOR THE MEASUREMENT OF BONE VIBRATORS
Hardcopy , PDF
English
01-01-2008
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FOREWORD
1 Scope
2 Normative reference
3 Terms and definitions
4 Construction
4.1 General
4.2 Mechanical impedance level
4.3 Phase angle of mechanical impedance
4.4 External geometry
5 Calibration
5.1 Reference environmental conditions
5.2 Calibration procedure
5.3 Force sensitivity level
5.4 Mechanical impedance level
5.5 Temperature dependence
6 Marking and instruction manual
6.1 Marking of the mechanical coupler
6.2 Instruction manual
7 Coupling of bone vibrator to the mechanical coupler
8 Maximum permitted expanded uncertainty of measurements
Annex A (informative) Example of a specific construction of a
mechanical coupler
Annex B (informative) Guidance on the testing and calibration
of mechanical couplers
Annex ZA (normative) Normative references to international
publications with their corresponding European
publications
Bibliography
Specifies a mechanical coupler for the measurement of the output force of bone vibrators. The mechanical impedance of the coupler is specified in the frequency range 125 Hz to 8 000 Hz. The coupler is intended for calibration of audiometers using bone vibrators having a plane circular tip area of 175 mm[2] +/- 25 mm[2] and for determining the performance of bone conduction hearing aids.
| DevelopmentNote |
Supersedes I.S. HD 590. (09/2008) For CENELEC adoptions of IEC publications, please check www.iec.ch to be sure that you have any corrigenda that may apply. (01/2017)
|
| DocumentType |
Standard
|
| Pages |
40
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Current
|
| Standards | Relationship |
| IEC 60318-6:2007 | Identical |
| EN 60318-6:2008 | Identical |
| ISO/IEC Guide 98:1993 | Guide to the expression of uncertainty in measurement (GUM) |
| ISO 266:1997 | Acoustics — Preferred frequencies |
| IEC 60645-1:2017 | Electroacoustics - Audiometric equipment - Part 1: Equipment for pure-tone and speech audiometry |
| IEC 60118-9:1985 | Hearing aids. Part 9: Methods of measurement of characteristics of hearing aids with bone vibrator output |
| ISO 389-3:2016 | Acoustics Reference zero for the calibration of audiometric equipment Part 3: Reference equivalent threshold vibratory force levels for pure tones and bone vibrators |
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