Electrical apparatus for the detection and measurement of combustible gases, toxic gases or oxygen Requirements and tests for apparatus using software and/or digital technologies; German version EN 50271:2010
用于检测和测量可燃气体、有毒气体或氧气要求的电气设备 以及使用软件和/或数字技术的设备测试;德文版EN 50271:2010