CEI EN 60645-1 : 2016

FOREWORD
INTRODUCTION
1. Scope and object
2. Normative references
3. Terms and definitions
4. Requirements for specific types of fixed
    Frequency audiometer
5. General requirements
6. Test signal sources
7. Loudspeaker output
8. Signal level control
9. Reference tone
10. Calibration
11. Electrical output
12. Audiogram format
13. Demonstration of conformity with
    Specifications and test procedures
14. Maximum permitted expanded uncertainty of
    Measurements
15. Marking and instruction manual
Bibliography
ANNEX ZA (Normative) - normative references
                       to international publications
                       with their corresponding
                       european publications

Describes the general requirements for audiometers and particular requirements for pure-tone audiometers designed for use in determining hearing threshold levels, in comparison with standard reference threshold levels by means of psychoacoustic test methods.