What is ISO 12133 about?

ISO 12133 discusses standards for carbon monoxide (CO) detection systems and alarms of small craft. ISO 12133 specifies requirements for the design, construction, and installation of carbon monoxide detection and alarm systems in small craft.

ISO 12133 provides essential educational material about carbon monoxide relative to small craft, and recreational boating recommendations.

Who is ISO 12133 for?

ISO 12133 on carbon monoxide (CO) detection systems and alarms for small craft are applicable for these entities:

Manufacturers of carbon monoxide detectors
Maritime manufacturers
Small craft manufacturers
Water transport engineering
Ship and marine industries
Quality control professionals

Why should you use ISO 12133?

Detectors are mounted and located to avoid areas subject to physical damage, including harm from rain, water or sunlight, and dilution of sampled air (e.g. near hatches, ports or forced ventilation openings), and inadequate natural air circulation, (e.g. in corners). ISO 12133 guides you for installation of carbon monoxide detection system which can be installed on all craft with an enclosed accommodation compartment(s).

ISO 12133 provides you with design and construction requirements to design carbon monoxide detectors. Following the design guidelines manufacturers can demonstrate the reliability of their detectors and build trust in their use throughout the ship and marine supply chain.

What’s changed since the last update?

BS EN ISO 12133:2021 supersedes BS EN ISO 12133:2011.

BS EN ISO 12133:2021 includes some technical changes concerning BS EN ISO 12133:2011. These include:

A low battery alarm requirement has been added
Design operating temperature range, has been added
Marking requirements have been added
In figure 1 (beta curve chart) the 30 ppm line reference has been updated
In figure 1, the Key has been updated
In Annex A, the other factors during boat operation that can affect carbon monoxide concentration have been clarified

BS ISO 12133:2021

Small craft. Carbon monoxide (CO) detection systems and alarms

Current

Published:

28 Feb 2021