GB 15322.1-2019 "Combustible gas detectors, Part 1: Point-type combustible gas detectors for industrial and commercial use" specifies the classification, requirements, testing, inspection rules and marking of point-type combustible gas detectors used in industrial and commercial places. This standard applies to the detection of hydrocarbons, ethers, esters, alcohols, carbon monoxide, hydrogen and Miscellaneous flammability gases and vapors. It aims to ensure that the detector can work stably and reliably during installation and use. The standard covers the performance requirements of the detector as well as Reliability testing under environment conditions, such as the requirements of explosive environments and electromagnetic compatibility testing. In addition, this standard also refers to a number of relevant technical specifications and test methods to ensure the applicability and safety of detectors.