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ISO/FDIS 7240-33

Fire detection and alarm systems — Part 33: Thermal imaging fire detectors

General information

Current stage: 50.00 Effective date: Mar 17, 2026

Originator: ISO

Owner: ISO/TC 21/SC 3

Type: International Standard

ICS: 13.220.20

Scope

This document specifies requirements, test methods and performance criteria for thermal imaging fire detectors (TIFD), which operate in the infrared spectrum, for use in fire detection and alarm systems installed in and around buildings (see ISO 7240-1)

Life cycle

NOW

IN_DEVELOPMENT
ISO/FDIS 7240-33
50.00 Final text received or FDIS registered for formal approval
Mar 17, 2026