Standard
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AS ISO 7240.3:2021
[Current]Fire detection and alarm systems, Part 3: Audible alarm devices
Identically adopts ISO 7240 3:2020 which specifies the requirements, test methods and performance criteria for audible alarm devices intended to signal an audible warning, with or without voice messages between a fire detection and fire alarm system and the occupants of a building.
Published: 02/07/2021
Pages: 38
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions and abbreviated terms
3.1 Terms and definitions
3.2 Abbreviated terms
4 Requirements
4.1 Compliance
4.2 Sound pressure level
4.3 Frequency and sound pattern
4.4 Audible alarm devices (AADs) with voice
4.4.1
4.4.2
4.4.3
4.4.4
4.5 Synchronization — Optional function
4.6 Construction
4.6.1 Provision for external conductors
4.6.1.1
4.6.1.2
4.6.2 Materials
4.6.3 Ingress protection
4.6.4 Access
4.7 On-site adjustment of the mode of operation
4.8 Durability
5 Tests
5.1 General
5.1.1 Atmospheric conditions for tests
5.1.2 Operating conditions for tests
5.1.3 Mounting arrangements
5.1.4 Tolerances
5.1.5 Provision for tests
5.1.6 Test schedule
5.1.7 Test report
5.2 Reproducibility
5.2.1 Object of the test
5.2.2 Test procedure
5.2.3 Requirements
5.3 Operational performance
5.3.1 Object of the test
5.3.2 Test procedure
5.3.3 Requirements
5.4 Durability
5.4.1 Object of the test
5.4.2 Test procedure
5.4.3 Requirements
5.5 Dry heat (operational)
5.5.1 Object of the test
5.5.2 Test procedure and apparatus
5.5.2.1 General
5.5.2.2 State of specimen during conditioning
5.5.2.3 Conditioning
5.5.2.4 Measurements during conditioning
5.5.2.5 Final measurements
5.5.3 Requirements
5.6 Dry heat (endurance)
5.6.1 Object of the test
5.6.2 Test procedure
5.6.2.1 General
5.6.2.2 State of the specimen during conditioning
5.6.2.3 Conditioning
5.6.2.4 Final measurements
5.6.3 Requirements
5.7 Cold (operational)
5.7.1 Object of the test
5.7.2 Test procedure
5.7.2.1 General
5.7.2.2 State of specimen during conditioning
5.7.2.3 Conditioning
5.7.2.4 Measurements during conditioning
5.7.2.5 Final measurements
5.7.3 Requirements
5.8 Damp heat, cyclic (operational)
5.8.1 Object of the test
5.8.2 Test procedure
5.8.2.1 General
5.8.2.2 State of the specimen during conditioning
5.8.2.3 Conditioning
5.8.2.4 Measurements during conditioning
5.8.2.5 Final measurements
5.8.3 Requirements
5.9 Damp heat, steady state (endurance)
5.9.1 Object of the test
5.9.2 Test procedure
5.9.2.1 General
5.9.2.2 State of the specimen during conditioning
5.9.2.3 Conditioning
5.9.2.4 Final measurements
5.9.3 Requirements
5.10 Damp heat, cyclic (endurance)
5.10.1 Object of the test
5.10.2 Test procedure
5.10.2.1 General
5.10.2.2 State of the specimen during conditioning
5.10.2.3 Conditioning
5.10.2.4 Final measurements
5.10.3 Requirements
5.11 Sulphur dioxide (SO2) corrosion (endurance)
5.11.1 Object of the test
5.11.2 Test procedure
5.11.2.1 General
5.11.2.2 State of the specimen during conditioning
5.11.2.3 Conditioning
5.11.2.4 Final measurements
5.11.3 Requirements
5.12 Shock (operational)
5.12.1 Object of the test
5.12.2 Test procedure
5.12.2.1 General
5.12.2.2 State of the specimen during conditioning
5.12.2.3 Conditioning
5.12.2.4 Measurements during conditioning
5.12.2.5 Final measurements
5.12.3 Requirements
5.13 Impact (operational)
5.13.1 Object of the test
5.13.2 Test procedure
5.13.2.1 General
5.13.2.2 State of the specimen during conditioning
5.13.2.3 Conditioning
5.13.2.4 Measurement during conditioning
5.13.2.5 Final measurements
5.13.3 Requirements
5.14 Vibration, sinusoidal (operational)
5.14.1 Object of the test
5.14.2 Test procedure
5.14.2.1 General
5.14.2.2 State of the specimen during conditioning
5.14.2.3 Conditioning
5.14.2.4 Measurements during conditioning
5.14.2.5 Final measurements
5.14.3 Requirements
5.15 Vibration, sinusoidal (endurance)
5.15.1 Object of the test
5.15.2 Test procedure
5.15.2.1 General
5.15.2.2 State of the specimen during conditioning
5.15.2.3 Conditioning
5.15.2.4 Final measurements
5.15.3 Requirements
5.16 Electromagnetic compatibility (EMC), immunity (operational)
5.16.1 Object of the tests
5.16.2 Test procedures
5.16.2.1 General
5.16.2.2 State of the specimen during conditioning
5.16.2.3 Conditioning
5.16.2.4 Measurements during conditioning
5.16.2.5 Final measurements
5.16.3 Requirements
5.17 Enclosure protection
5.17.1 Object of the test
5.17.2 Test procedures
5.17.2.1 General
5.17.2.2 State of the specimen during conditioning
5.17.2.3 Conditioning
5.17.2.4 Measurements during conditioning
5.17.2.5 Final measurements
5.17.3 Requirements
5.18 Operational performance for AADs with voice
5.18.1 Object of the test
5.18.2 Test procedure
5.18.3 Requirements
5.19 Sequence timing for AADs with voice
5.19.1 Object of the test
5.19.2 Test procedure
5.19.3 Measurements during conditioning
5.19.4 Requirements
5.20 Synchronization (optional)
5.20.1 Object of the test
5.20.2 Test procedure
5.20.3 Measurements during conditioning
5.20.4 Test requirements
6 Test report
7 Marking
8 Data
8.1
8.2
8.2.1
8.2.2
8.2.3
8.2.4
8.2.5
Annex A
A.1 General
A.2 Mounting arrangements
A.2.1
A.2.2
A.2.3
A.3 Instrumentation
A.4 Background noise level
A.5 Measurement of sound pressure level
A.5.1
A.5.2
A.5.3
Annex B
B.1 General
B.1.1
B.1.2
B.2 Test chamber
B.2.1 Size
B.2.2 Shape
B.2.3 Rigidity
B.2.4 Surface treatment
B.3 Mounting arrangements
B.4 Instrumentation
B.5 Background noise level
B.6 Test procedure
B.6.1 Number and positioning of microphones
B.6.2 Measurement of sound pressure level
Annex C
C.1 General
C.2 Relevant standards
C.3 Vertical burning tests
C.4 Horizontal burning tests
C.4.1 IEC 60695-11-10 and UL 94
C.4.2 IEC 60695-11-20 and UL 94
Bibliography
Cited references in this standard
[Current]
Environmental testing - Part 2-30: Tests - Test Db: Damp heat, cyclic (12 h + 12 h cycle)
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