AS/NZS 3580.12.1:2015
Methods for sampling and analysis of ambient air - Method 12.1: Determination of light scattering - Integrating nephelometer method
Provides a method for the measurement of light scattering produced by fine particles. Most light scattering is derived from particles less than 2.0 µm. These particles affect visibility and are of concern to health. Some common sources of such particles are combustion processes including motor vehicle emissions, incineration, and some industrial processes.
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AS/NZS 3580.12.1:2015 METHODS FOR SAMPLING AND ANALYSIS OF AMBIENT AIR - DETERMINATION OF LIGHT SCATTERING-INTEGRATING...
PREFACE
1 SCOPE
2 REFERENCED DOCUMENTS
3 DEFINITIONS
3.1 Full scale (FS)
3.2 Range
3.3 Rise time
3.4 U95
3.5 Zero drift
4 PRINCIPLE
5 APPARATUS
5.1 Integrating nephelometer
5.2 Calibration gas
5.3 Precision check gas
5.4 Zero air
5.5 Particulate filter
5.6 Reference barometer
5.7 Reference thermometer
5.8 Reference humidity device
6 SAMPLING
6.1 Location
6.2 Sampling line
6.3 Sampling environment
7 CALIBRATION
7.1 General
7.2 Procedure
7.2.1 General
7.2.2 Recalibration
7.3 Pressure transducer checks and calibration
7.4 Temperature sensor check and calibration
7.5 Humidity sensor check and calibration
7.6 Operational precision checks
7.6.1 Instrument zero check
7.6.2 Instrument precision check
8 INSTRUMENT OPERATION
9 CALCULATION AND EXPRESSION OF RESULTS
10 MEASUREMENT UNCERTAINTY
11 REPORT
APPENDIX A - FACTORS INFLUENCING THE RESPONSE OF INTEGRATING NEPHELOMETERS
A1 SCOPE
A2 HUMIDITY AND UNCERTAINTY IN SCATTERING COEFFICIENT
A3 TEMPERATURE/BAROMETRIC PRESSURE CONSIDERATIONS
A4 BIBLIOGRAPHY
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AS/NZS 3580.12.1:2015 METHODS FOR SAMPLING AND ANALYSIS OF AMBIENT AIR - DETERMINATION OF LIGHT SCATTERING-INTEGRATING...
PREFACE
1 SCOPE
2 REFERENCED DOCUMENTS
3 DEFINITIONS
3.1 Full scale (FS)
3.2 Range
3.3 Rise time
3.4 U95
3.5 Zero drift
4 PRINCIPLE
5 APPARATUS
5.1 Integrating nephelometer
5.2 Calibration gas
5.3 Precision check gas
5.4 Zero air
5.5 Particulate filter
5.6 Reference barometer
5.7 Reference thermometer
5.8 Reference humidity device
6 SAMPLING
6.1 Location
6.2 Sampling line
6.3 Sampling environment
7 CALIBRATION
7.1 General
7.2 Procedure
7.2.1 General
7.2.2 Recalibration
7.3 Pressure transducer checks and calibration
7.4 Temperature sensor check and calibration
7.5 Humidity sensor check and calibration
7.6 Operational precision checks
7.6.1 Instrument zero check
7.6.2 Instrument precision check
8 INSTRUMENT OPERATION
9 CALCULATION AND EXPRESSION OF RESULTS
10 MEASUREMENT UNCERTAINTY
11 REPORT
APPENDIX A - FACTORS INFLUENCING THE RESPONSE OF INTEGRATING NEPHELOMETERS
A1 SCOPE
A2 HUMIDITY AND UNCERTAINTY IN SCATTERING COEFFICIENT
A3 TEMPERATURE/BAROMETRIC PRESSURE CONSIDERATIONS
A4 BIBLIOGRAPHY
Previous versions
AS/NZS 3580.12.1:2015
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.