IEC 60645-2:1993
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users
03-14-2017
English - French, Spanish, Castilian
11-11-1993
FOREWORD
INTRODUCTION
Clause
1 Scope and object
2 Normative references
3 Definitions
4 General requirements
5 Minimum requirements for specific types of audiometers
6 Reference conditions for specification, testing and
calibration of speech audiometers
7 Signal level indicator
8 Output level control for speech signals
9 Output sound-pressure level and vibratory force level
10 Frequency response
11 Harmonic distortion
12 Signal-to-noise ratio
13 Masking sound
14 Monitor earphone or loudspeaker
15 Talkback system
16 Interrupter switches
17 Marking and instruction manual
Annex A - Correction figures for free-field equivalent
output for certain types of commonly used earphones
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