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eLibrary > BS ISO 12239:2021 Smoke alarms using scattered light, transmitted light or ionization >

BS ISO 12239:2021 Smoke alarms using scattered light, transmitted light or ionization, 2021

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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 General requirements [Go to Page]
4.1 Conformity
4.2 Optional and additional functions
4.3 Smoke alarm type
4.4 Response threshold value of detectors using scattered or transmitted light
4.5 Alarm condition [Go to Page]
4.5.1 Aural indicator
4.5.2 Visual indicators
4.6 External main power source-on visual indicator
4.7 Fault condition visual indicator — Optional function
4.8 Visual indicator visibility
4.9 Smoke alarm signals
4.10 Test facility
4.11 Means of calibration
4.12 User-replaceable components
4.13 Main power source [Go to Page]
4.13.1 General
4.13.2 Internal
4.13.3 External
4.14 Standby power source [Go to Page]
4.14.1 General
4.14.2 Monitoring of standby power source
4.14.3 Standby power source low condition silence — Optional function
4.15 External power supply equipment
4.16 Battery connections
4.17 User-replaceable battery [Go to Page]
4.17.1 General
4.17.2 Indication
4.18 Electrical safety
4.19 Battery — disconnect facility
4.20 Connection of external connectable devices
4.21 Terminals for external conductors
4.22 Protection against the ingress of foreign bodies
4.23 Interconnectable smoke alarms — Optional function [Go to Page]
4.23.1 General
4.24 Alarm-silence facility — Optional function
4.25 Temporary disablement — Optional function
4.26 Radioactive material in type B smoke alarms
4.27 Smoke alarms with voice — Optional function [Go to Page]
4.27.1 General
4.27.2 Voice messages
4.28 Smoke alarms using radio frequency links — Optional function [Go to Page]
4.28.1 General
4.28.2 Response time
4.28.3 Radio frequency link range
4.28.4 Identification code verification
4.28.5 Environmental requirements for radio frequency interconnected smoke alarms
4.29 Response to slowly developing fires (drift compensation) — Optional function
4.30 Marking [Go to Page]
4.30.1 General
4.30.2 Smoke alarm
4.31 Packaging
4.32 Hardware documentation
4.33 Additional requirements for software-controlled smoke alarms [Go to Page]
4.33.1 General
4.33.2 Software documentation
4.33.3 Software design
4.33.4 Storage of programs and data
5 Tests [Go to Page]
5.1 General [Go to Page]
5.1.1 Optional functions
5.1.2 Atmospheric conditions for tests
5.1.3 Operating conditions for tests
5.1.4 Mounting arrangements
5.1.5 Tolerances
5.1.6 Measurement of response threshold value
5.1.7 Provision for tests
5.1.8 Test schedule
5.1.9 Test report
5.2 Directional dependence [Go to Page]
5.2.1 Object of test
5.2.2 Test procedure
5.2.3 Requirements
5.3 Initial sensitivity [Go to Page]
5.3.1 Object of test
5.3.2 Test procedure
5.3.3 Requirement
5.4 Repeatability [Go to Page]
5.4.1 Object of test
5.4.2 Test procedure
5.4.3 Requirements
5.5 Air movement [Go to Page]
5.5.1 Object of test
5.5.2 Test procedure
5.5.3 Requirements
5.6 Dazzling [Go to Page]
5.6.1 Object of test
5.6.2 Test procedure
5.6.3 Requirements
5.7 Dry heat (operational) [Go to Page]
5.7.1 Object of test
5.7.2 Test procedure
5.7.3 Requirements
5.8 Cold (operational) [Go to Page]
5.8.1 Object of test
5.8.2 Test procedure
5.8.3 Requirement
5.9 Damp heat (operational) [Go to Page]
5.9.1 Object of test
5.9.2 Test procedure
5.9.3 Requirements
5.10 Sulfur dioxide (SO2) corrosion [Go to Page]
5.10.1 Object of test
5.10.2 Test procedure
5.10.3 Requirements
5.11 Impact (operational) [Go to Page]
5.11.1 Object of test
5.11.2 Test procedure
5.11.3 Requirements
5.12 Vibration, sinusoidal (operational) [Go to Page]
5.12.1 Object of test
5.12.2 Test procedure
5.12.3 Requirements
5.13 Vibration, sinusoidal (endurance) [Go to Page]
5.13.1 Object of test
5.13.2 Test procedure
5.13.3 Requirements
5.14 Extended temperature (operational) — optional function [Go to Page]
5.14.1 Object of test
5.14.2 Test procedure
5.14.3 Requirement
5.15 Electromagnetic compatibility (EMC) immunity tests (operational)
5.16 Fire sensitivity [Go to Page]
5.16.1 Object of test
5.16.2 Test procedure
5.16.3 Requirements
5.17 Battery-low condition [Go to Page]
5.17.1 Object of test
5.17.2 Test procedure
5.17.3 Requirements
5.18 85 dBA Sound output — Optional function [Go to Page]
5.18.1 Object of test
5.18.2 Method of test
5.18.3 Requirements
5.19 70 dBA Sound output — Optional function [Go to Page]
5.19.1 Object of test
5.19.2 Method of test
5.19.3 Requirements
5.20 Sounder durability [Go to Page]
5.20.1 Object of test
5.20.2 Test procedure
5.20.3 Requirements
5.21 Interconnectable smoke alarms [Go to Page]
5.21.1 Object of test
5.21.2 Test procedure
5.21.3 Requirements
5.22 Smoke alarms using radio frequency links [Go to Page]
5.22.1 General
5.22.2 Radio frequency range
5.22.3 Failure of radio link tests
5.22.4 Identification codes verification
5.22.5 Environmental tests for radio frequency-interconnected smoke alarms
5.23 Alarm-silence facility [Go to Page]
5.23.1 Object of test
5.23.2 Test requirement
5.23.3 Requirements
5.24 Temporary disablement facility [Go to Page]
5.24.1 Object of test
5.24.2 Test procedure
5.24.3 Requirements
5.25 Variation in supply voltage [Go to Page]
5.25.1 Object of test
5.25.2 Test procedure
5.25.3 Requirements
5.26 Polarity reversal [Go to Page]
5.26.1 Object of test
5.26.2 Test procedure
5.26.3 Requirements
5.27 Standby power source [Go to Page]
5.27.1 Object of test
5.27.2 Test procedure
5.27.3 Requirements
5.28 Electrical safety [Go to Page]
5.28.1 Object of test
5.28.2 Test procedure
5.28.3 Requirements
5.29 Sequence timing for smoke alarms with voice [Go to Page]
5.29.1 Object of the test
5.29.2 Test procedure
5.29.3 Measurements during conditioning
5.29.4 Requirements
6 Test report
Annex A (normative) Smoke tunnel for response-threshold value measurement
Annex B (normative) Test aerosol for response threshold value measurements
Annex C (normative) Smoke-measuring instruments
Annex D (normative) Apparatus for dazzling test
Annex E (normative) Apparatus for impact test
Annex F (normative) Fire test room
Annex G (normative) Smouldering pyrolysis wood fire (TF2)
Annex H (normative) Glowing smouldering cotton fire (TF3)
Annex I (normative) Flaming plastics (polyurethane) fire (TF4)
Annex J (normative) Flaming liquid (n-heptane) fire (TF5)
Annex K (informative) Information concerning the construction of the smoke tunnel
Annex L (informative) Information concerning the constructionof the measuring ionization chamber
Annex M (normative) Test configuration by using radio frequency shield test equipment
Annex N (informative) Compensation for alarm sensitivity drift
Bibliography [Go to Page]

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