Standard
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AS/NZS ISO 16900.1:2021
[Current]Identically adopts ISO 16900-1:2019 for Australia and New Zealand, which specifies the test methods for determining inward leakage of respiratory interfaces (RI) and total inward leakage of complete respiratory protective devices (RPD) using specified test agents and incorporating specified body movements, at specified metabolic work rates. KEYWORDS: Respiratory protective device testing; RPD; Leakage
Published: 18/06/2021
Pages: 37
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
4 Prerequisites
5 General test requirements
6 Principle
6.1 General
6.2 Choice of test agent
7 Human test panel
7.1 General
7.1.1
7.1.2
7.1.2.1
7.1.2.2
7.1.2.3
7.1.3
7.2 Test panel
8 Test agents
9 Apparatus
9.1
9.2
9.3
9.4
10 RPD preparation
10.1 General
10.2 Sample tubes and probe
10.3 Sample flow rates
10.4 Filtering RPD preparation
10.4.1 Unassisted filtering RPD with a connector in accordance with ISO 17420‑3
10.4.2 Unassisted filtering RPD fitted with particle filters or combination filters
10.4.3 Unassisted filtering RPD with gas/vapour or combination filters
10.4.4 Assisted filtering RPD with particle filter(s) or combination filter(s)
10.4.5 Assisted filtering RPD with gas/vapour or combination filter(s)
10.5 Supplied breathable gas devices
10.6 Supplied breathable gas devices incorporating additional filtration facility (combined RPD)
11 Test methods
11.1 General
11.1.1
11.1.2
11.1.3
11.1.4
11.1.5
11.1.6
11.1.7
11.1.8
11.1.9
11.1.10
11.1.11
11.1.12
11.1.13
11.2 Test method 1: Sulfur hexafluoride (SF6)
11.2.1 Test equipment
11.2.1.1 Test gas generation
11.2.1.2 Detection
11.2.2 Calculation of leakage
11.3 Test method 2: Sodium chloride (NaCl)
11.3.1 Test equipment
11.3.1.1 General
11.3.1.2 Test aerosol generation
11.3.1.3 Detection systems
11.3.1.3.1 Flame photometer
11.3.1.3.2 Condensation particle counter
11.3.1.3.3 Sample pump
11.3.2 Pulsed sampling — Method 2A
11.3.2.1 General
11.3.2.2 Calculation of leakage
11.3.3 Continuous sampling — Method 2B
11.3.3.1 General
11.3.3.2 Calculation of leakage
11.4 Test method 3: Corn oil aerosol
11.4.1 Test equipment
11.4.1.1 General
11.4.1.2 Test aerosol generation
11.4.1.3 Detection
11.4.1.4 Calculation of leakage
11.5 Determination of inward leakage in the ocular zone
12 Test report
13 Uncertainty of measurement
Annex A
Annex B
B.1 General
B.2 Test exersises
Annex C
C.1 Principle
C.2 Material porosity test apparatus
C.2.1
C.2.2
C.2.3
C.2.4
C.3 Preparation of test specimens
C.4 Procedure
Annex D
Bibliography
Cited references in this standard
[Superseded]
Respiratory protective devices - Human factors - Part 2: Anthropometrics
[Current]
Guidance for the use of repeatability, reproducibility and trueness estimates in measurement uncertainty evaluation
[Current]
Respiratory protective devices - Performance requirements - Part 3: Thread connection
[Current]
Respiratory protective devices - Methods of test and test equipment - Part 5: Breathing machine, metabolic simulator, RPD headforms and torso, tools and verification tools
Content history
[Current]
[Current]
DR AS/NZS ISO 16900.1:2021
DR AS/NZS ISO 16900.13:2021
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