This standard BS EN 50104:2019+A1:2023 Electrical equipment for the detection and measurement of oxygen. Performance requirements and test methods is classified in these ICS categories:
13.320 Alarm and warning systems
This document specifies general requirements for design, testing and performance, and describes the test methods that apply to portable, transportable and fixed equipment for the measurement of the oxygen concentration in gas mixtures indicating up to 25 % (v/v).
