BS 4400:1969
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
Method for sodium chloride particulate test for respirator filters
Hardcopy , PDF
06-01-2003
English
10-06-1969
Cooperating organizations
Foreword
Method
1. Scope
2. Description of apparatus
3. Description of the method for respirator canister
tests
4. Assembly and adjustment
5. The electronic apparatus
6. Calibration
7. Testing of air filters
8. Notes on operation
Appendix
A. Ancillary apparatus
Figures
1. Flow diagram
2. Stem
3. Flange
4. Nozzle
5. Atomizer bottle
6. Screwed ring
7. Atomizer body assembly
7a. Atomizer head assembly
7b. Atomizer assembly
7c. Evaporation tube
8. Control cock
9. Photo-multiplier, test tube and flame tube assembly
10. Sodium chloride test apparatus, general arrangement
11. Burner
12. Flow restrictor
13. Circuit diagram for E.H.T. unit
14. Photo-electric sodium chloride apparatus circuit
diagram
15. Housing wiring details
16. Dilution circuit for calibration
17. Concentration v. deflection graph
Method of test for assessment of the protection afforded by respirator canisters against particulate clouds. An improvement over the test method in BS 2577 which is now obsolescent. The test method will also be used with modifications for testing face seal leakage of respirators as required by the revision of BS 2091.
Committee |
PH/4
|
DocumentType |
Standard
|
Pages |
42
|
PublisherName |
British Standards Institution
|
Status |
Superseded
|
SupersededBy |
Standards | Relationship |
UNE-EN 60684-3-271:1999 | Identical |
BS 5243:1975 | General principles for sampling airborne radioactive materials |
04/19981537 DC : DRAFT MARCH 2004 | EN 14902 - AMBIENT AIR QUALITY - STANDARD METHOD FOR THE MEASUREMENT OF PB/CD/AS/NI IN AMBIENT AIR |
VDI 4207 Blatt 2:2016-07 | Emission measurements at small firing installations - Measurements at installations for solid fuel |
BS 6410:1991 | Methods of test for filter papers |
DEFSTAN 68-234/1(1994) : 1994 | PAPER, GLASS FIBRE FOR PARTICULATE FILTRATION |
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