BS 5445-7:1984
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Components of automatic fire detection systems Specification for point-type smoke detectors using scattered light, transmitted light or ionization
Hardcopy , PDF
06-01-2003
English
05-31-1984
Important note : All end users must be registered with an Account prior to user licenses being assigned.
National foreword
Cooperating organizations
Brief history
1. Object and field of application
2. Methods of test and test schedules
3. General requirements
4. Response threshold value
5. Switch-on
6. Repeatability
7. Directional dependence
8. Reproducibility
9. Variation of supply voltage
10. Air movement
11. High ambient temperature
12. Ambient light
13. Vibration
14. Humidity
15. Shock
16. Impact
17. Corrosion
18. Insulation resistance
19. Dielectric shock
20. Low ambient temperature
21. Fire sensitivity
Annexes
A. Test schedule
B. Measurement of the response threshold values in
the wind tunnel
C. Switch on test
D. Repeatability test
E. Test for directional dependence
F. Reproducibility test
G. Variations of supply voltage test
H. Test for sensitivity to air movement
J. High ambient temperature test
K. Sensitivity to ambient light test
L. Vibration test
M. Humidity test
N. Shock test
O. Impact test
P. Corrosion test
Q. Insulation resistance test
R. Dielectric strength test
S. Low ambient temperature test
Table
1. Test schedule for smoke detectors
Figures
1. Arrangement of smoke detector and test apparatus
in the wind tunnel
2. Ionization measuring chamber: method of operation
3. Ionization measuring chamber: construction
4. Ionization measuring chamber: current-voltage
characteristic
5. Operating circuit
6. Dazzling apparatus
7. Shock test apparatus
8. Impact apparatus
9. Corrosion test apparatus (10 litre)
National particularity
National appendices
Requirements, test methods and performance criteria for re-settable smoke detectors.
| Committee |
FSH/12
|
| DocumentType |
Standard
|
| Pages |
36
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| NFS 61 954 : 83 AMD 1 1989 | Identical |
| BS 5445-8:1984 | Components of automatic fire detection systems Specification for high temperature heat detectors |
| BS 6266:1982 | Code of practice for fire protection for electronic data processing installations |
| BS 5839-1:1988 | Fire detection and alarm systems for buildings Code of practice for system design, installation and servicing |
| 02/540552 DC : DRAFT JUN 2002 | BS 5446-2 - FIRE DETECTION AND FIRE ALARM DEVICES FOR DWELLINGS - PART 2: SPECIFICATION FOR HEAT ALARMS |
| PD 6531:1997 | Queries and interpretations on BS 5839:Parts 1 and 4 (as amended) |
| BS 5588-9:1999 | Fire precautions in the design, construction and use of buildings Code of practice for ventilation and air conditioning ductwork |
| BS 5908:1990 | Code of practice for fire precautions in the chemical and allied industries |
| BS 6266:1992 | Code of practice for fire protection for electronic data processing installations |
| BS 5446-1:2000 | Fire detection and fire alarm devices for dwellings Specification for smoke alarms |
| BS 5839-4:1988 | Fire detection and alarm systems for buildings Specification for control and indicating equipment |
| BS 5446-1:1977 | Specification for components of automatic fire alarm systems for residential premises. Point-type smoke detectors |
| BS 5588-9:1989 | Fire precautions in the design, construction and use of buildings Code of practice for ventilation and air conditioning ductwork |
| BS 5908:1980 | Code of practice for fire precautions in chemical plant |
| BS 5839-6:1995 | Fire detection and alarm systems for buildings Code of practice for the design and installation of fire detection and alarm systems in dwellings |
| BS 5839-1:1988 | Fire detection and alarm systems for buildings Code of practice for system design, installation and servicing |
| BS 5445-9:1984 | Components of automatic fire detection systems Methods of test of sensitivity to fire |
| BS 5445-8:1984 | Components of automatic fire detection systems Specification for high temperature heat detectors |
| BS 5445-5:1977 | Components of automatic fire detection systems Heat sensitive detectors - point detectors containing a static element |
| BS 5445-1:1977 | Components of automatic fire detection systems Introduction |
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