AS/NZS ISO 16900.1:2021
Respiratory protective devices - Methods of test and test equipment, Part 1: Determination of inward leakage
Standard 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
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AS/NZS ISO 16900.1:2021 Respiratory protective devices -- Methods of test and test equipment Determination of inward leakage
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
7.2 Test panel
8 Test agents
9 Apparatus
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
11.2 Test method 1: Sulfur hexafluoride (SF6)
11.2.1 Test equipment
11.2.2 Calculation of leakage
11.3 Test method 2: Sodium chloride (NaCl)
11.3.1 Test equipment
11.3.2 Pulsed sampling — Method 2A
11.3.3 Continuous sampling — Method 2B
11.4 Test method 3: Corn oil aerosol
11.4.1 Test equipment
11.5 Determination of inward leakage in the ocular zone
12 Test report
13 Uncertainty of measurement
Annex A (normative) Application of uncertainty of measurement — Determination of compliance
Annex B (normative) Test exercise regime
Annex C (informative) Material porosity test
Annex D (informative) Preparation and use of bivariate test panel
Bibliography
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AS/NZS ISO 16900.1:2021 Respiratory protective devices -- Methods of test and test equipment Determination of inward leakage
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
7.2 Test panel
8 Test agents
9 Apparatus
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
11.2 Test method 1: Sulfur hexafluoride (SF6)
11.2.1 Test equipment
11.2.2 Calculation of leakage
11.3 Test method 2: Sodium chloride (NaCl)
11.3.1 Test equipment
11.3.2 Pulsed sampling — Method 2A
11.3.3 Continuous sampling — Method 2B
11.4 Test method 3: Corn oil aerosol
11.4.1 Test equipment
11.5 Determination of inward leakage in the ocular zone
12 Test report
13 Uncertainty of measurement
Annex A (normative) Application of uncertainty of measurement — Determination of compliance
Annex B (normative) Test exercise regime
Annex C (informative) Material porosity test
Annex D (informative) Preparation and use of bivariate test panel
Bibliography
AS/NZS ISO 16900.1:2021
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.