Table of Contents

FOREWORD<br>INTRODUCTION<br>1 Scope<br>2 Normative references<br>3 Terms and definitions<br>4 Requirements by type and class of audiometer<br>5 General requirements<br>6 Test signals<br>7 Transducers<br>8 Signal level control<br>9 Reference tone<br>10 Calibration<br>11 Electrical output of test signals<br>12 Audiogram format<br>13 Test requirements to demonstrate conformity<br>14 Maximum permitted expanded uncertainty of<br>&nbsp;&nbsp;&nbsp;measurements U[max]<br>15 Marking and instruction manual<br>Annex A (informative) - Relationship between tolerance<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;interval, corresponding acceptance interval and the<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;maximum permitted uncertainty of measurement<br>Bibliography<br>Annex ZA (normative) - Normative references to<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;international publications with their<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;corresponding European publications

Abstract

Defines general requirements for audiometers designed for use in determining hearing threshold levels, relative to standard reference threshold levels established by means of psychoacoustic test methods, and those designed to perform psychoacoustic tests using speech material.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	British Standards Institution
Pages
ISBN
Committee	EPL/29