BS ISO 16900-4:2011
Current
The latest, up-to-date edition.
Respiratory protective devices. Methods of test and test equipment Determination of gas filter capacity and migration, desorption and carbon monoxide dynamic testing
Hardcopy , PDF
English
31-07-2013
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Prerequisites
5 General test requirements
6 Principles
7 Apparatus
8 Methods
9 Test report
10 Uncertainty of measurement
Annex A (normative) - Application of uncertainty of
measurement
Annex B (informative) - Alternative method for the
gas filter validation test at specified flow rates
Bibliography
Defines the test method for determining the gas capacity of separate or integral gas filters and combined filters for respiratory protective devices.
| Committee |
PH/4
|
| DocumentType |
Standard
|
| Pages |
26
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
This part of ISO16900 specifies the test method for determining the gas capacity of separate or integral gas filters and combined filters for respiratory protective devices. It includes the validation test at specified flow rates, a desorption test to access the ability of the filter to retain the adsorbed or absorbed gas, and carbon monoxide dynamic testing.
NOTE These tests are conducted in laboratories using specified test agents under specified conditions and therefore do not indicate the performance of the device in actual use.
| Standards | Relationship |
| ISO 16900-4:2011 | Identical |
| ISO/TS 21748:2004 | Guidance for the use of repeatability, reproducibility and trueness estimates in measurement uncertainty estimation |
| ISO 16972:2010 | Respiratory protective devices Terms, definitions, graphical symbols and units of measurement |
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