Table of Contents

Introduction
1 Scope
2 Normative references
3 Definitions
4 Submission for testing
5 Marking of the sound level meter and information in the
instruction manual
6 Mandatory facilities and general requirements
7 Environmental, electrostatic, and radio frequency test
7.1 General
7.2 Expanded uncertainties for measurements of environmental
test conditions
7.3 Influence of static pressure
7.4 Tolerance limits on air temperature, relative humidity
and static pressure
7.5 Acclimatization requirements for tests of the influence
of air temperature and relative humidity
7.6 Abbreviated test of the influence of air temperature and
relative humidity combined
7.7 Influence of air temperature
7.8 Influence of relative humidity
7.9 Influence of electrostatic discharges
7.1 Influence of a.c. power frequency and radio-frequency fields
8 Radio-frequency emissions and public power supply disturbances
9 Electroacoustical performance tests
9.1 General
9.2 Indication at the calibration check frequency
9.3 Directional response
9.4 Tests of frequency weightings with acoustical signals
9.5 Tests of frequency weightings with electrical signals
9.6 Combined effect of reflections, diffraction and corrections
for nominal microphone frequency response and for the
influence of a windscreen
9.7 Adjustments to obtain free-field sound levels
9.8 Level linearity
9.9 Under-range indication
9.10 Self-generated noise
9.11 Decay time constants for time weightings F and S
9.12 Toneburst response for sound level meters that measures
time-weighted sound level
9.13 Toneburst response for sound level meters that measure
sound exposure level or time-average sound level
9.14 Response to sequences of repeated tonebursts for sound
level meters that measure time-average sound level
9.15 Overload indication
9.16 Peak C sound level
9.17 Reset
9.18 Electrical output
9.19 Timing facilities
9.20 Crosstalk in multi-channel sound level meter systems
9.21 Power supply
10 Pattern evaluation report

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	Japanese Standards Association
ProductNote	Supersedes JIS C1502. (05/2007)
Pages
ISBN
Supersedes	JIS C 1502:1990 JIS C 1509-2:2005