JIS C 1509-1:2017

Table of Contents

Introduction
1 Scope
2 Normative references
3 Definitions
4 Reference environmental conditions
5 Performance specifications
5.1 General
5.2 Adjustments to indicates levels
5.3 Directional response
5.4 Frequency weightings
5.5 Level linearity
5.6 Self-generated noise
5.7 Time weightings F and S
5.8 Toneburst response
5.9 Response to repeated tonebursts
5.10 Overload indication
5.11 Underrange indication
5.12 Peak C sound level
5.13 Reset
5.14 Thresholds
5.15 Display
5.16 Analogue or digital output
5.17 Timing facilities
5.18 Radio frequency emissions and disturbances to a
public power supply
5.19 Crosstalk
5.20 Power supply
6 Environmental, electrostatic, and radio frequency criteria
6.1 General
6.2 Static pressure
6.3 Air temperature
6.4 Humidity
6.5 Electrostatic discharge
6.6 AC power frequency and radio frequency fields
7 Provision for use with auxiliary devices
8 Marking
9 Instruction manual
Annex A (normative) Maximum expanded uncertainties of measurement
Annex B (informative) AU weighting
Annex C (informative) specifications for time-weighting I (impulse)
Bibliography

Abstract

Provides an electroacoustical performance specifications for three kinds of sound measuring instruments: a conventional sound level meter that measures exponential time-weighted sound level; an integrating averaging sound level meter that measures time-average sound level; and an integrating sound level meter that measures sound exposure level.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	Japanese Standards Association
ProductNote	Supersedes JIS C1502. (05/2007)
Pages
ISBN
Supersedes	JIS C 1509-1:2005 JIS C 1502:1990