ISO 7240-20:2010
Fire detection and alarm systems — Part 20: Aspirating smoke detectors
ISO 7240-20:2010 specifies the requirements, test methods and performance criteria for aspirating smoke detectors for use in fire detection and alarm systems installed in buildings.
Aspirating smoke detectors developed for the protection of specific risks that incorporate special characteristics (including additional features or enhanced functionality for which ISO 7240-20:2010 does not define a test or assessment method) are also covered by ISO 7240-20:2010. The performance requirements for any special characteristics are beyond the scope of ISO 7240-20:2010.
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Scope
Normative references
Terms, definitions and abbreviated terms
Terms and definitions
Abbreviated terms
Requirements
Compliance
Classification
Individual visual alarm indication
Connection of ancillary devices
Manufacturer's adjustments
On-site adjustment of response behaviour
Response to slowly developing fires
Mechanical strength of the pipework
Hardware components and additional sensing elements in the s
Airflow monitoring
Power supply
Marking
Data
Additional requirements for software controlled detectors
General
Software documentation
Software design
The storage of programs and data
Tests
General
Atmospheric conditions for tests
Operating conditions for tests
Mounting arrangements
Tolerances
Measurement of response threshold value
General
Typical r.t.v. measurement procedure
Test of the airflow monitoring facility
Provision for tests
Test schedule
Repeatability
Object
Test procedure
Requirements
Reproducibility
Object
Test procedure
Requirements
Variation in supply parameters
Object
Standard test procedure
Test procedure
Requirements
Alternative test procedure
Dry heat (operational)
Object
Test procedure
Reference
Initial measurements
State of the specimen during conditioning
Conditioning
Measurements during conditioning
Final measurements
Requirements
Cold (operational)
Object
Test procedure
Reference
Initial measurements
State of the specimen during conditioning
Conditioning
Measurements during conditioning
Final measurements
Requirements
Damp heat, steady state (operational)
Object
Test procedure
Reference
Initial measurements
State of the specimen during conditioning
Conditioning
Measurements during conditioning
Final measurements
Requirements
Damp heat, steady state (endurance)
Object
Test procedure
Reference
Initial measurements
State of the specimen during conditioning
Conditioning
Final measurements
Requirements
Sulfur dioxide (SO2) corrosion (endurance)
Object
Test procedure
Reference
Initial measurements
State of the specimen during conditioning
Conditioning
Final measurements
Requirements
Shock (operational)
Object
Test procedure
Reference
Initial measurements
State of the specimen during conditioning
Conditioning
Measurements during conditioning
Final measurements
Requirements
Impact (operational)
Object
Test procedure
Reference
Initial measurements
State of the specimen during conditioning
Conditioning
Measurements during conditioning
Final measurements
Requirements
Vibration, sinusoidal (operational)
Object
Test procedure
Reference
Initial measurements
State of the specimen during conditioning
Conditioning
Measurements during conditioning
Final measurements
Requirements
Vibration, sinusoidal (endurance)
Object
Test procedure
Reference
Initial measurements
State of the specimen during conditioning
Conditioning
Final measurements
Requirements
Electromagnetic compatibility (EMC) immunity tests
Fire sensitivity
Object
Principle
Test procedure
Fire test room
Test fires
Mounting of the specimens
Initial conditions
Recording of fire parameters and response values
Requirements
Mechanical strength of pipe
Test report
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Scope
Normative references
Terms, definitions and abbreviated terms
Terms and definitions
Abbreviated terms
Requirements
Compliance
Classification
Individual visual alarm indication
Connection of ancillary devices
Manufacturer's adjustments
On-site adjustment of response behaviour
Response to slowly developing fires
Mechanical strength of the pipework
Hardware components and additional sensing elements in the s
Airflow monitoring
Power supply
Marking
Data
Additional requirements for software controlled detectors
General
Software documentation
Software design
The storage of programs and data
Tests
General
Atmospheric conditions for tests
Operating conditions for tests
Mounting arrangements
Tolerances
Measurement of response threshold value
General
Typical r.t.v. measurement procedure
Test of the airflow monitoring facility
Provision for tests
Test schedule
Repeatability
Object
Test procedure
Requirements
Reproducibility
Object
Test procedure
Requirements
Variation in supply parameters
Object
Standard test procedure
Test procedure
Requirements
Alternative test procedure
Dry heat (operational)
Object
Test procedure
Reference
Initial measurements
State of the specimen during conditioning
Conditioning
Measurements during conditioning
Final measurements
Requirements
Cold (operational)
Object
Test procedure
Reference
Initial measurements
State of the specimen during conditioning
Conditioning
Measurements during conditioning
Final measurements
Requirements
Damp heat, steady state (operational)
Object
Test procedure
Reference
Initial measurements
State of the specimen during conditioning
Conditioning
Measurements during conditioning
Final measurements
Requirements
Damp heat, steady state (endurance)
Object
Test procedure
Reference
Initial measurements
State of the specimen during conditioning
Conditioning
Final measurements
Requirements
Sulfur dioxide (SO2) corrosion (endurance)
Object
Test procedure
Reference
Initial measurements
State of the specimen during conditioning
Conditioning
Final measurements
Requirements
Shock (operational)
Object
Test procedure
Reference
Initial measurements
State of the specimen during conditioning
Conditioning
Measurements during conditioning
Final measurements
Requirements
Impact (operational)
Object
Test procedure
Reference
Initial measurements
State of the specimen during conditioning
Conditioning
Measurements during conditioning
Final measurements
Requirements
Vibration, sinusoidal (operational)
Object
Test procedure
Reference
Initial measurements
State of the specimen during conditioning
Conditioning
Measurements during conditioning
Final measurements
Requirements
Vibration, sinusoidal (endurance)
Object
Test procedure
Reference
Initial measurements
State of the specimen during conditioning
Conditioning
Final measurements
Requirements
Electromagnetic compatibility (EMC) immunity tests
Fire sensitivity
Object
Principle
Test procedure
Fire test room
Test fires
Mounting of the specimens
Initial conditions
Recording of fire parameters and response values
Requirements
Mechanical strength of pipe
Test report