AS/NZS ISO 6394:2019
Earth-moving machinery - Determination of emission sound pressure level at operator’s position - Stationary test conditions
Specifies a method for determining the emission sound pressure level of earth-moving machinery at the operator's position, measured in terms of the time-averaged A-weighted emission sound pressure level while the machine is stationary with the engine operating at the rated speed under no-load conditions. It is applicable to earth-moving machinery as defined in ISO 6165 and specified in ISO 6393:2008, Annex A. Identical to and reproduced from ISO 6394:2008.
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AS/NZS ISO 6394:2019 Determination of emission sound pressure level at operator's position - Stationary test conditions
Preface
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Instrumentation
5 Test environment
6 Measurement of time-averaged A-weighted sound pressure levels
6.1 Operator stature
6.2 Operator presence
6.2.1 Ride-on machines
6.2.2 Pedestrian-controlled machines
6.3 Microphone
6.3.1 Microphone orientation
6.3.2 Microphone position
6.3.3 Microphone mounting
6.3.4 Microphone vibration precautions
6.3.5 Precautions against microphone-reflected noise
6.4 Positioning of the machine
6.5 Measurement time
7 Set-up and operation of machine, and operator’s position set-up
7.1 Set-up and operation of machine
7.2 Setting-up operator’s position for machines with cab
7.2.1 Cab with air-conditioning and/or pressurized ventilation system(s)
7.2.2 Cab without air-conditioning or pressurized ventilation system(s)
8 Acoustic measurements
8.1 Measurement procedure
8.2 Determination of measurement result
9 Information to be recorded
10 Information to be reported
10.1 Information
10.2 Declaration of sound emission data and uncertainty
Annex A (normative) Declaration of sound emission data and uncertainty
Bibliography
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AS/NZS ISO 6394:2019 Determination of emission sound pressure level at operator's position - Stationary test conditions
Preface
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Instrumentation
5 Test environment
6 Measurement of time-averaged A-weighted sound pressure levels
6.1 Operator stature
6.2 Operator presence
6.2.1 Ride-on machines
6.2.2 Pedestrian-controlled machines
6.3 Microphone
6.3.1 Microphone orientation
6.3.2 Microphone position
6.3.3 Microphone mounting
6.3.4 Microphone vibration precautions
6.3.5 Precautions against microphone-reflected noise
6.4 Positioning of the machine
6.5 Measurement time
7 Set-up and operation of machine, and operator’s position set-up
7.1 Set-up and operation of machine
7.2 Setting-up operator’s position for machines with cab
7.2.1 Cab with air-conditioning and/or pressurized ventilation system(s)
7.2.2 Cab without air-conditioning or pressurized ventilation system(s)
8 Acoustic measurements
8.1 Measurement procedure
8.2 Determination of measurement result
9 Information to be recorded
10 Information to be reported
10.1 Information
10.2 Declaration of sound emission data and uncertainty
Annex A (normative) Declaration of sound emission data and uncertainty
Bibliography
AS/NZS ISO 6394:2019
Online Library subscription information
Online library subscriptions provide a cost-effective solution for organisations of any size to access the latest standards, offering 24/7 access to a personalised catalogue. The service ensures subscribers have have the most up-to-date version of selected standards, incluing automatic updates for any amendments or versions. Pricing is dependent on the chosen standards and the number of concurrent users, with discounts applied from the standards PDF price. For customised subscriptions or further inquiries, contact the Online Library team.