Table of Contents

FOREWORD
1 Scope
2 Normative references
3 Terms and definitions
4 Reference environmental conditions
5 Classification of laboratory standard microphone
      5.1 General
      5.2 Type designation
6 Characteristics of laboratory standard microphones
      6.1 Sensitivity
      6.2 Acoustic impedance
             6.2.1 General
             6.2.2 Equivalent volume of a microphone
      6.3 Upper limit of the dynamic range of a microphone
      6.4 Static pressure dependence of microphone
             sensitivity
      6.5 Temperature dependence of microphone sensitivity
      6.6 Humidity dependence of microphone sensitivity
      6.7 Electrical insulation resistance
      6.8 Stability of microphone sensitivity
      6.9 Pressure-equalizing leakage
7 Specifications
      7.1 Mechanical dimensions
      7.2 Ground shield reference configuration
      7.3 Electroacoustical specifications
      7.4 Identification marking

Abstract

Specifies mechanical dimensions and certain electroacoustic characteristics for condenser microphones used as laboratory standards for the realization of the unit of sound pressure. The specifications are intended to ensure that primary calibration by the reciprocity method can be readily carried out. Establishes a system for classifying laboratory standard condenser microphones.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	International Electrotechnical Committee
Pages
ISBN
Committee	TC 29