INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 Reference environmental conditions
5 Requirements
5.1 General
5.2 Sound pressure level
5.3 Frequency
5.4 Influence of static pressure, air temperature
and humidity
5.5 Total distortion
5.6 Power supply requirements
5.7 Specification and calibration of microphones
5.8 Electromagnetic compatibility
6 Instrument marking and documentation
6.1 Marking of the sound calibrator
6.2 Individual calibration chart for a class LS
sound calibrator
6.3 Instruction manual
Annex A (normative) - Pattern evaluation tests
A.0 Introduction
A.1 Submission for test
A.2 Principal values
A.3 Marking of the sound calibrator and supplied
documentation
A.4 Performance tests at and around reference
environmental conditions
A.5 Environmental tests
A.6 Electromagnetic compatibility
Annex B (normative) - Periodic tests
B.0 Introduction
B.1 Submission for test
B.2 Preliminary inspection
B.3 Performance tests
B.4 Calibration of the sound calibrator with other
models of microphone
B.5 Documentation
Annex C (normative) - Format for the pattern
evaluation report
C.0 Introduction
C.1 Marking
C.2 Submission for test
C.3 Pattern evaluation report
Annex ZA (normative) Normative references to international
publications with their corresponding European
publications
Bibliography