# ISO 7240-27:2009 — Withdrawn and superseded ISO standards For ISO 7240-27:2009, item title is Fire detection and alarm systems — Part 27: Point-type fire detectors using a scattered-light, transmitted-light or ionization smoke sensor, an electrochemical-cell carbon-monoxide sensor and a heat sensor; status code is 9599; successor is ISO 7240-27:2018; withdrawn / published date is 2009-03-23, recorded from its source on 2026-08-05. - **Identifier:** ISO 7240-27:2009 _(verified: appears in the quote below)_ - **Item title:** Fire detection and alarm systems — Part 27: Point-type fire detectors using a scattered-light, transmitted-light or ionization smoke sensor, an electrochemical-cell carbon-monoxide sensor and a heat sensor _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 7240-27:2018 - **Withdrawn / published date:** 2009-03-23 _(verified: appears in the quote below)_ ## What the source says > 44133,IS,,ISO 7240-27:2009,"Fire detection and alarm systems — Part 27: Point-type fire detectors using a scattered-light, transmitted-light or ionization smoke sensor, an electrochemical-cell carbon-monoxide sensor and a heat sensor","Systèmes de détection et d'alarme d'incendie — Partie 27: Détecteurs d'incendie ponctuels utilisant un détecteur de fumée basé sur le principe de la diffusion de la lumière, de la transmission de la lumière ou de l'ionisation, un détecteur de monoxyde de carbone à cellule électrochimique et un détecteur de chaleur",2009-03-23,1,['13.220.20'],ISO/TC 21/SC 3,9599,,[67746],['en'],58,"

ISO 7240-27:2009 specifies requirements, test methods and performance criteri ## Source - https://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv Last verified: 2026-08-05. Review by: 2027-02-01. Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).