ISO INTERNATIONAL STANDARD 7240-6 Second edition 2011-06-15 Fire detection and alarm systems - Part 6: Carbon monoxide fire detectors using electro-chemical cells Systemes de détection et d'alarme d'incendie - Partie 6: Detecteurs de monoxyde de carbone pour la détection d'incendieutilisantdescellulesélectro-chimiques Reference number ISO 7240-6:2011(E) @ ISO 2011 by IHS under lic itted without license from IHS Not for Resale ISO 7240-6:2011(E) COPYRIGHTPROTECTEDDOCUMENT @ ISO2011 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, IsO's member body in the country of the requester. ISO copyright office Case postale 56. CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland ..."... @ ISO 2011 - All rights reserved y IHS unde Not for Resale ISO 7240-6:2011(E) Contents Page Foreword Introduction. ..vii 1 Scope 2 Normative references. 3 Terms and definitions 4 Requirements.. 4.1 Compliance.. 4.2 Individual alarm indication ... 4.3 4.4 Monitoring of detachable detectors ... 4.5 Manufacturer's adjustments...... 4.6 On-site adjustment of response behaviour ... 4.7 Rate-sensitive response behaviour...... 4.8 Marking..... 4.9 Data.... 4.10 Requirements for software controlled detectors 5 Test methods 5.1 General 5.2 Repeatability 5.3 Directional dependence.. 5.4 Reproducibility ..... 5.5 Exposure to chemical agents at environmental concentrations.. 10 5.6 Longterm stability....... 5.7 Saturation..... 11 5.8 Exposure to chemical agents that can be present during a fire 12 5.9 Variation in supply parameters ... 13 5.10 Air movement... 5.11 Dry heat (operational) . 14 5.12 Cold (operational).. 15 5.13 Damp heat cyclic (operational) ... 5.14 Damp heat, steady state (endurance).... 17 5.15 Low humidity, steady state (endurance)... 5.16 Sulfur dioxide (SO2) corrosion (endurance).. 18 5.17 Shock (operational) .. 19 5.18 Impact (operational) 20 5.19 Vibration, sinusoidal (operational) 5.20 Vibration, sinusoidal (endurance) 22 5.21 Electromagnetic compatibility (EMC) immunity test (operational) 23 5.22 Fire sensitivity . 23 6 Test report. 25 Annex A (normative) Gas test chamber for response threshold value and cross-sensitivity measurements......... Annex B (normative) Apparatus for impact test.. 27 Annex C (normative) Fire test room.... Annex D (normative) Smouldering (pyrolysis) wood fire (TF2)... Annex E (normative) Glowing smouldering cotton fire (TF3) .... ili ted without license from IHS Not for Resale