ISO 7240-5:2018
Fire detection and fire alarm systems — Part 5: Point type heat detectors
ISO 7240-5:2018 specifies the requirements, test methods and performance criteria for point type heat detectors for use in fire detection and fire alarm systems for buildings (see ISO 7240‑1).
For other types of heat detector, or for detectors intended for use in other environments, this document can be used for guidance only. Heat detectors with special characteristics and developed for specific risks are not covered by this document.
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 General requirements
4.1 Compliance
4.2 Classification
4.3 Position of heat sensitive elements
4.4 Individual alarm indication
4.5 Connection of ancillary devices
4.6 Monitoring of detachable detectors
4.7 Manufacturer's adjustments
4.8 On-site adjustment of response behaviour
4.9 Requirements for software controlled detectors
4.9.1 General
4.9.2 Software design
4.9.3 The storage of programs and data
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 Measurement of response time
5.1.6 Provision for tests
5.1.7 Test schedule
5.2 Directional dependence
5.2.1 Object
5.2.2 Test procedure
5.2.3 Requirements
5.3 Static response temperature
5.3.1 Object
5.3.2 Test procedure
5.3.3 Requirements
5.4 Response times from typical application temperature
5.4.1 Object
5.4.2 Test procedure
5.4.3 Requirements
5.5 Response times from 25 °C
5.5.1 Object
5.5.2 Test procedure
5.5.3 Requirements
5.6 Response times from high ambient temperature (Dry heat operational)
5.6.1 Object
5.6.2 Test procedure
5.6.3 Requirements
5.7 Variation in supply parameters
5.7.1 Object
5.7.2 Test procedure
5.7.3 Requirements
5.8 Reproducibility
5.8.1 Object
5.8.2 Test procedure
5.8.3 Requirements
5.9 Cold (operational)
5.9.1 Object
5.9.2 Test procedure
5.9.3 Requirements
5.10 Dry heat (endurance)
5.10.1 Object
5.10.2 Test procedure
5.10.3 Requirements
5.11 Damp heat, cyclic (operational)
5.11.1 Object
5.11.2 Test procedure
5.11.3 Requirements
5.12 Damp heat, steady state (endurance)
5.12.1 Object
5.12.2 Test procedure
5.12.3 Requirements
5.13 Sulphur dioxide SO2 corrosion (endurance)
5.13.1 Object
5.13.2 Test procedure
5.13.3 Requirements
5.14 Shock (operational)
5.14.1 Object
5.14.2 Test procedure
5.14.3 Requirements
5.15 Impact (operational)
5.15.1 Object
5.15.2 Test procedure
5.15.3 Requirements
5.16 Vibration, sinusoidal, (operational)
5.16.1 Object
5.16.2 Test procedure
5.16.3 Requirements
5.17 Vibration, sinusoidal (endurance)
5.17.1 Object
5.17.2 Test procedure
5.17.3 Requirements
5.18 Electromagnetic Compatibility (EMC), Immunity tests (operational)
5.18.1 Test procedure
5.18.2 Requirements
5.19 Test for suffix S detectors
5.19.1 Object
5.19.2 Test procedure
5.19.3 Requirements
5.20 Additional test for suffix R detector
5.20.1 Object
5.20.2 Test procedure
5.20.3 Requirements
6 Test report
7 Marking
8 Data
8.1 Hardware documentation
8.2 Software documentation
Annex A (normative) Heat tunnel for response time and response temperature measurements
Annex B (informative) Information concerning the construction of the heat tunnel
Annex C (informative) Derivation of upper and lower limits of response times
Annex D (informative) Apparatus for impact test
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 General requirements
4.1 Compliance
4.2 Classification
4.3 Position of heat sensitive elements
4.4 Individual alarm indication
4.5 Connection of ancillary devices
4.6 Monitoring of detachable detectors
4.7 Manufacturer's adjustments
4.8 On-site adjustment of response behaviour
4.9 Requirements for software controlled detectors
4.9.1 General
4.9.2 Software design
4.9.3 The storage of programs and data
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 Measurement of response time
5.1.6 Provision for tests
5.1.7 Test schedule
5.2 Directional dependence
5.2.1 Object
5.2.2 Test procedure
5.2.3 Requirements
5.3 Static response temperature
5.3.1 Object
5.3.2 Test procedure
5.3.3 Requirements
5.4 Response times from typical application temperature
5.4.1 Object
5.4.2 Test procedure
5.4.3 Requirements
5.5 Response times from 25 °C
5.5.1 Object
5.5.2 Test procedure
5.5.3 Requirements
5.6 Response times from high ambient temperature (Dry heat operational)
5.6.1 Object
5.6.2 Test procedure
5.6.3 Requirements
5.7 Variation in supply parameters
5.7.1 Object
5.7.2 Test procedure
5.7.3 Requirements
5.8 Reproducibility
5.8.1 Object
5.8.2 Test procedure
5.8.3 Requirements
5.9 Cold (operational)
5.9.1 Object
5.9.2 Test procedure
5.9.3 Requirements
5.10 Dry heat (endurance)
5.10.1 Object
5.10.2 Test procedure
5.10.3 Requirements
5.11 Damp heat, cyclic (operational)
5.11.1 Object
5.11.2 Test procedure
5.11.3 Requirements
5.12 Damp heat, steady state (endurance)
5.12.1 Object
5.12.2 Test procedure
5.12.3 Requirements
5.13 Sulphur dioxide SO2 corrosion (endurance)
5.13.1 Object
5.13.2 Test procedure
5.13.3 Requirements
5.14 Shock (operational)
5.14.1 Object
5.14.2 Test procedure
5.14.3 Requirements
5.15 Impact (operational)
5.15.1 Object
5.15.2 Test procedure
5.15.3 Requirements
5.16 Vibration, sinusoidal, (operational)
5.16.1 Object
5.16.2 Test procedure
5.16.3 Requirements
5.17 Vibration, sinusoidal (endurance)
5.17.1 Object
5.17.2 Test procedure
5.17.3 Requirements
5.18 Electromagnetic Compatibility (EMC), Immunity tests (operational)
5.18.1 Test procedure
5.18.2 Requirements
5.19 Test for suffix S detectors
5.19.1 Object
5.19.2 Test procedure
5.19.3 Requirements
5.20 Additional test for suffix R detector
5.20.1 Object
5.20.2 Test procedure
5.20.3 Requirements
6 Test report
7 Marking
8 Data
8.1 Hardware documentation
8.2 Software documentation
Annex A (normative) Heat tunnel for response time and response temperature measurements
Annex B (informative) Information concerning the construction of the heat tunnel
Annex C (informative) Derivation of upper and lower limits of response times
Annex D (informative) Apparatus for impact test