Standard
Track updates
AS 16890.2:2024
[Current]Air filters for general ventilation, Part 2: Measurement of fractional efficiency and air flow resistance (ISO 16890-2:2022, MOD)
AS 16890.2:2024 adopts and modifies ISO 16890 2:2022 which specifies the aerosol production, the test equipment and the test methods used for measuring fractional efficiency and air flow resistance of air filters for general ventilation
Published: 01/11/2024
Pages: 62
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
3.1 Air flow and resistance
3.2 Test device
3.3 Aerosol
3.4 Particle counter
3.5 Efficiency
3.6 Other terms
4 Symbols and abbreviated terms
4.1 Symbols
4.2 Abbreviated terms
5 General test requirements
5.1 Test device requirements
5.2 Test device installation
5.3 Test rig requirements
6 Test materials
6.1 Liquid phase aerosol
6.1.1 DiEthylHexylSebacate (DEHS) test aerosol
6.1.2 DEHS properties
6.1.3 Liquid phase aerosol generation
6.2 Solid phase aerosol
6.2.1 Potassium chloride (KCl) test aerosol
6.2.2 KCl properties
6.2.3 Solid phase aerosol generation
6.3 Reference aerosols
6.3.1 Reference aerosol for 0,3 µm to 1,0 µm
6.3.2 Reference aerosol for 1,0 µm to 10,0 µm
6.4 Aerosol loading
7 Test equipment
7.1 Test rig
7.1.1 Dimensions
7.1.1.1 Cross dimensional area
7.1.1.2 Length and location dimensions
7.1.2 Construction materials
7.1.3 Test rig shape
7.1.4 Test rig air supply
7.1.4.1 Fan location
7.1.4.2 Environment
7.1.4.3 Test rig HEPA filtration
7.1.5 Test rig isolation
7.1.6 D/S mixing orifice
7.1.7 Aerosol sampling
7.1.7.1 Sample lines
7.1.7.2 Sample probes
7.1.7.3 Sampling air flow
7.1.7.4 Secondary sampling
7.1.7.5 Aerosol diluters
7.1.7.6 Valve requirements
7.1.8 Test rig air flow rate measurement
7.1.9 Resistance to air flow measurement
7.1.10 Test devices not measuring 610 mm × 610 mm (24.0 inches × 24.0 inches)
7.1.11 Dust injection testing
7.1.11.1 General
7.1.11.2 Dust feeder
7.1.11.3 U/S mixing orifice
7.1.11.4 Final filter
7.2 Aerosol particle counter
7.2.1 General
7.2.2 OPC sampled size range
7.2.3 OPC particle size ranges
7.2.4 Sizing resolution
7.2.5 Calibration
7.2.6 Air flow rate
7.2.7 Zero counting
7.2.8 Dual OPC(s)
7.3 Temperature, relative humidity
8 Qualification of test rig and apparatus
8.1 Schedule of qualification testing requirements
8.1.1 General
8.1.2 Qualification testing
8.1.3 Qualification documentation
8.2 Qualification testing
8.2.1 Test rig — Pressure system testing
8.2.1.1 Pressure system test protocol
8.2.1.2 Pressure system test results
8.2.2 OPC — Air flow rate stability test
8.2.2.1 Air flow rate stability test protocol
8.2.2.2 Air flow rate stability test results
8.2.3 OPC — Zero test
8.2.3.1 Zero test protocol
8.2.3.2 Zero test results
8.2.4 OPC — Sizing accuracy
8.2.4.1 Sizing accuracy test protocol
8.2.4.2 Sizing accuracy test results
8.2.5 OPC — Overload test
8.2.5.1 General
8.2.5.2 Overload test protocol
8.2.5.3 Overload test results
8.2.6 Aerosol generator — Response time
8.2.6.1 Aerosol generator response time — Measurement protocol
8.2.6.2 Aerosol generator response time results
8.2.7 Aerosol generator — Neutralizer
8.2.7.1 Aerosol neutralizer test protocol
8.2.7.2 Aerosol neutralizer lifetime
8.2.7.3 Aerosol neutralizer — Radioactive service life verification
8.2.7.4 Aerosol neutralizer — Radioactivity is present
8.2.7.5 Aerosol neutralizer — Radioactive clean
8.2.7.6 Aerosol neutralizer — Corona discharge current
8.2.7.7 Aerosol neutralizer — Corona discharge balanced output
8.2.7.8 Aerosol neutralizer — Corona discharge clean corona source
8.2.8 Test rig — Air leakage test
8.2.8.1 General
8.2.8.2 Air leakage test protocol
8.2.8.3 Air leakage test results
8.2.9 Test rig — Air velocity uniformity
8.2.9.1 Air velocity parameters
8.2.9.2 Air velocity protocol
8.2.9.3 Air velocity results
8.2.10 Test rig — Aerosol uniformity
8.2.10.1 Aerosol uniformity parameters
8.2.10.2 Aerosol uniformity protocol
8.2.10.3 Aerosol uniformity results
8.2.11 Test rig — Downstream mixing
8.2.11.1 Downstream mixing parameters
8.2.11.2 Downstream mixing protocol
8.2.11.3 Downstream mixing results
8.2.12 Test rig — Empty test device section pressure
8.2.12.1 Empty test device section protocol
8.2.12.2 Empty test device section pressure results
8.2.13 Test rig — 100 % efficiency test and purge time
8.2.13.1 100 % efficiency protocol
8.2.13.2 100 % efficiency results
8.2.14 Test rig — Correlation ratio
8.2.14.1 General
8.2.14.2 Correlation ratio protocol
8.2.14.3 Correlation ratio results
8.3 Maintenance
8.3.1 General
8.3.2 Test rig — Background counts
8.3.3 Test rig — Reference filter test
8.3.3.1 Reference filters
8.3.3.2 Reference protocol
8.3.3.3 Reference values
8.3.3.4 Reference resistance to air flow
8.3.3.5 OPC recalibration
8.3.3.6 Reference filter replacement
8.3.4 Test rig — Pressure reference test
8.3.5 Test rig — Final filter resistance
9 Test methods
9.1 Air flow rate
9.2 Measurement of resistance to air flow
9.3 Measurement of fractional efficiency
9.3.1 Aerosol sampling protocol
9.3.2 Background sampling
9.3.3 Testing sequence for a single OPC
9.3.3.1 General
9.3.3.2 Single OPC sequence description
9.3.3.3 Single OPC initial data reduction
9.3.4 Testing sequence for dual OPC
9.3.4.1 General
9.3.4.2 Dual OPC sequence description
9.3.4.3 Dual OPC background calculations
10 Data reduction and calculations
10.1 Correlation ratio
10.1.1 Correlation ratio general
10.1.2 Correlation ratio data reduction
10.2 Penetration and fractional efficiency
10.2.1 Penetration and fractional efficiency general
10.2.2 Penetration data reduction
10.3 Data quality requirements
10.3.1 Correlation background counts
10.3.2 Efficiency background counts
10.3.3 Correlation ratio
10.3.4 Penetration
10.4 Fractional efficiency calculation
11 Reporting results
11.1 General
11.2 Required reporting elements
11.2.1 Report general
11.2.2 Report values
11.2.3 Report summary
11.2.4 Report details
Annex A
Annex B
Bibliography
Appendix ZZ
ZZ.1 Scope
ZZ.2 Modifications
Cited references in this standard
[Current]
High efficiency filters and filter media for removing particles in air - Part 1: Classification, performance, testing and marking
[Current]
Determination of particle size distribution - Single particle light interaction methods - Part 1: Light scattering aerosol spectrometer
[Current]
Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full - Part 1: General principles and requirements
Content history
[Superseded]
[Current]
[Current]
DR AS 16890.2:2023
One-time Purchase
Access via web browser on any device
One-time purchase
Single publication
Offline access via PDF^
$203.34 AUD
Inclusive of GSTFormat *
Web Reader
Licenses *
1 user
Total$203.34 AUD
IMPORTANT