This amendment of EN 50104 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).
Title:
EN 50104:2019/A1:2023 Electrical equipment for the detection and measurement of oxygen - Performance requirements and test methods
Date of Availability: 31.03.2023
More information here:
CEN website: EN 50104:2019/A1:2023
