DIN CLC/TS 50612-2014 用于测量燃烧烟气参数的便携式电气设备. 燃气中央供暖锅炉的调试, 服务和维护过程中的使用指南; 德文版本CLC/TS 50612-2013
Portable electrical apparatus for the measurement of combustion flue gas parameters - Guide to their use in the process of commissioning, servicing and maintaining gas fired central heating boilers; German version CLC/TS 50612:2013