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eLibrary > 24/30466871 DC BS ISO 7240-27 Fire detection and alarm systems - Part 27: Point type fire detectors using a smoke sensor in combination with a carbon monoxide sensor and, optionally, one or more heat sensors >

24/30466871 DC BS ISO 7240-27 Fire detection and alarm systems - Part 27: Point type fire detectors using a smoke sensor in combination with a carbon monoxide sensor and, optionally, one or more heat sensors, 2024

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24/30466871 DC BS ISO 7240-27 Fire detection and alarm systems - Part 27: Point type fire detectors using a smoke sensor in combination with a carbon monoxide sensor and, optionally, one or more heat sensors, 2024

ISO_DIS 7240-27 ed.3 - id.85565 Enquiry PDF (en).pdf [Go to Page]
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 General requirements [Go to Page]
4.1 Compliance
4.2 Response threshold value of detectors using scattered or transmitted light
4.3 Individual alarm indication
4.4 Connection of ancillary devices
4.5 Monitoring of detachable detectors
4.6 Manufacturer's adjustments
4.7 On-site adjustment of response behaviour
4.8 Protection against the ingress of foreign bodies
4.9 Rate-sensitive CO response behaviour
4.10 Smoke response to slowly developing fires
4.11 Requirements for software-controlled detectors [Go to Page]
4.11.1 General
4.11.2 Software design
4.11.3 Storage of programs and data
5 Test methods [Go to Page]
5.1 General [Go to Page]
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 smoke response threshold value
5.1.6 Measurement of CO response threshold value
5.1.7 Measurement of heat response value
5.1.8 Provision for tests
5.1.9 Test schedule
5.1.10 Test report
5.2 Repeatability of smoke response [Go to Page]
5.2.1 Object of the test
5.2.2 Test procedure
5.2.3 Requirements
5.3 Repeatability of CO response [Go to Page]
5.3.1 Object of the test
5.3.2 Test procedure
5.3.3 Requirements
5.4 Directional dependence of smoke response [Go to Page]
5.4.1 Object of the test
5.4.2 Test procedure
5.4.3 Requirements
5.5 Directional dependence of CO response [Go to Page]
5.5.1 Object of the test
5.5.2 Test procedure
5.5.3 Requirements
5.6 Directional dependence of heat response (optional function) [Go to Page]
5.6.1 Object of the test
5.6.2 Test procedure
5.6.3 Requirements
5.7 Lower limit of heat response (optional function) [Go to Page]
5.7.1 Object of the test
5.7.2 Test procedure
5.7.3 Requirements
5.8 Reproducibility of smoke response [Go to Page]
5.8.1 Object of the test
5.8.2 Test procedure
5.8.3 Requirements
5.9 Reproducibility of CO response [Go to Page]
5.9.1 Object of the test
5.9.2 Test procedure
5.9.3 Requirements
5.10 Reproducibility of heat response (optional function) [Go to Page]
5.10.1 Object of the test
5.10.2 Test procedure
5.10.3 Requirements
5.11 Exposure to chemical agents at environmental concentrations [Go to Page]
5.11.1 Object of the test
5.11.2 Test procedure
5.11.3 Requirements
5.12 Long-term stability of CO response [Go to Page]
5.12.1 Object of the test
5.12.2 Test procedure
5.12.3 Requirements
5.13 Saturation [Go to Page]
5.13.1 Object of the test
5.13.2 Test procedure
5.13.3 Requirements
5.14 Variation in supply parameters [Go to Page]
5.14.1 Object of the test
5.14.2 Test procedure
5.14.3 Requirements
5.15 Air movement [Go to Page]
5.15.1 Object of the test
5.15.2 Test procedure
5.15.3 Requirements
5.16 Dazzling [Go to Page]
5.16.1 Object of the test
5.16.2 Test procedure
5.16.3 Requirements
5.17 Dry heat (operational) [Go to Page]
5.17.1 Object of the test
5.17.2 Test procedure
5.17.3 Requirements
5.18 Dry heat (endurance) [Go to Page]
5.18.1 Object of the test
5.18.2 Test procedure
5.18.3 Requirements
5.19 Cold (operational), smoke [Go to Page]
5.19.1 Object of the test
5.19.2 Test procedure
5.19.3 Requirements
5.20 Cold (operational), CO [Go to Page]
5.20.1 Object of the test
5.20.2 Test procedure
5.20.3 Requirements
5.21 Damp heat, cyclic (operational) [Go to Page]
5.21.1 Object of the test
5.21.2 Test procedure
5.22 Damp heat, steady state (operational) [Go to Page]
5.22.1 Object of the test
5.22.2 Test procedure
5.22.3 Requirements
5.23 Damp heat, steady state (endurance) [Go to Page]
5.23.1 Object of the test
5.23.2 Test procedure
5.23.3 Requirements
5.24 Low humidity, steady state (endurance) [Go to Page]
5.24.1 Object of the test
5.24.2 Test procedure
5.24.3 Requirements
5.25 Sulfur dioxide SO2 corrosion (endurance) [Go to Page]
5.25.1 Object of the test
5.25.2 Test procedure
5.25.3 Requirements
5.26 Shock (operational) [Go to Page]
5.26.1 Object of the test
5.26.2 Test procedure
5.26.3 Requirements
5.27 Impact (operational) [Go to Page]
5.27.1 Object of the test
5.27.2 Test procedure
5.27.3 Requirements
5.28 Vibration, sinusoidal (operational) [Go to Page]
5.28.1 Object of the test
5.28.2 Test procedure
5.28.3 Requirements
5.29 Vibration, sinusoidal (endurance) [Go to Page]
5.29.1 Object of the test
5.29.2 Test procedure
5.29.3 Requirements
5.30 Electromagnetic compatibility (EMC) immunity tests (operational) [Go to Page]
5.30.1 Object of the test
5.30.2 Test procedure
5.30.3 Measurements
5.30.4 Requirements
5.31 Fire sensitivity [Go to Page]
5.31.1 Object of the test
5.31.2 Test procedure
5.31.3 Requirements
6 Test report
7 Marking
8 Data [Go to Page]
8.1 Hardware documentation
8.2 Software documentation
Annex€A (normative) Gas test chamber for CO response threshold value and cross sensitivity measurements
Annex€B (normative) Construction of the heat tunnel
Annex€C (normative) Apparatus for dazzling test
Annex€D (normative) Apparatus for impact test
Annex€E (normative) Fire test room
Annex€F (normative) Smouldering (pyrolysis) wood fire (TF2)
Annex€G (normative) Glowing smouldering cotton fire (TF3)
Annex€H (normative) Flaming plastics (polyurethane) fire (TF4)
Annex€I (normative) Liquid (heptane) fire (TF5)
Annex€J (normative) Low temperature black smoke (decalene) liquid fire (TF8)
Annex€K (informative) Information concerning the construction of the gas test chamber
Bibliography [Go to Page]

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24/30466871 DC BS ISO 7240-27 Fire detection and alarm systems - Part 27: Point type fire detectors using a smoke sensor in combination with a carbon monoxide sensor and, optionally, one or more heat sensors, 2024

To continue with accurate pricing,
please select your company type below: