AS/NZS 2399:1998
Acoustics - Specifications for personal sound exposure meters
Specifies acoustical and electrical performance requirements for personal sound exposure meters. Specifications are applicable to instruments intended to be worn on a person for measurement of A-weighted sound exposure resulting from steady, intermittent, fluctuating, irregular or impulsive sounds. This Standard is technically equivalent to, and has been reproduced from, IEC 61252:1993.
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AS/NZS 2399:1998 ACOUSTICS - SPECIFICATIONS FOR PERSONAL SOUND EXPOSURE METERS
PREFACE
CONTENTS
1 Scope
2 Normative references
3 Definitions
3.1 sound exposure:
3.2 equivalent-continuous A-weighted sound pressure level; time-average sound level:
3.3 normalized 8-h-average sound level:
3.4 sound level range:
3.5 sound exposure range:
3.6 reference direction:
3.7 reference frequency:
3.8 reference sound pressure level:
3.9 reference integration time:
3.10 reference sound exposure:
4 General performance requirements
5 Reference conditions
6 Absolute acoustical sensitivity
7 Frequency weighting
8 Linearity of response to steady signals
9 Response to short-duration signals
10 Response to unipolar pulses
11 Latching overload indicator
12 Sensitivity to various environments
12.1 General
12.2 Atmospheric pressure
12.3 Air temperature
12.4 Relative humidity
12.5 Magnetic field
12.6 Radio-frequency electromagnetic fields
12.7 Electrostatic discharge
12.8 Mechanical vibration
13 Instrument marking
14 Instruction Manual
Annex A - Sound exposures and corresponding normalized 8-h-average sound levels
Annex B - Recommended tests to verify the performance of a personal sound exposure meter
B1 Initial procedures
B2 Linearity of response to steady signals
B3 Frequency weighting
B4 Response to short-duration signals
B5 Response to unipolar pulses
B6 Latching overload indicator
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AS/NZS 2399:1998 ACOUSTICS - SPECIFICATIONS FOR PERSONAL SOUND EXPOSURE METERS
PREFACE
CONTENTS
1 Scope
2 Normative references
3 Definitions
3.1 sound exposure:
3.2 equivalent-continuous A-weighted sound pressure level; time-average sound level:
3.3 normalized 8-h-average sound level:
3.4 sound level range:
3.5 sound exposure range:
3.6 reference direction:
3.7 reference frequency:
3.8 reference sound pressure level:
3.9 reference integration time:
3.10 reference sound exposure:
4 General performance requirements
5 Reference conditions
6 Absolute acoustical sensitivity
7 Frequency weighting
8 Linearity of response to steady signals
9 Response to short-duration signals
10 Response to unipolar pulses
11 Latching overload indicator
12 Sensitivity to various environments
12.1 General
12.2 Atmospheric pressure
12.3 Air temperature
12.4 Relative humidity
12.5 Magnetic field
12.6 Radio-frequency electromagnetic fields
12.7 Electrostatic discharge
12.8 Mechanical vibration
13 Instrument marking
14 Instruction Manual
Annex A - Sound exposures and corresponding normalized 8-h-average sound levels
Annex B - Recommended tests to verify the performance of a personal sound exposure meter
B1 Initial procedures
B2 Linearity of response to steady signals
B3 Frequency weighting
B4 Response to short-duration signals
B5 Response to unipolar pulses
B6 Latching overload indicator
AS/NZS 2399:1998
Online Library subscription pricing
The cost of your subscription will depend on which standards you want to access, and how many people in your organisation need to be able to access the Online Library subscription at the same time (concurrent users). During your subscription period, we are also able to make any necessary changes and ensure you are aware of any pricing changes that result. For a quote, contact our Online Library team by emailing onlinelibrary@standards.govt.nz.