DIN EN 50379-3-2013
用于测量加热器具燃烧烟气参数的便携式电气装置的规范. 第3部分:非法定燃气加热器具操作用设备的性能要求; 德文版本EN 50379-3-2012
Specification for portable electrical apparatus designed to measure combustion flue gas parameters of heating appliances - Part 3: Performance requirements for apparatus used in non-statutory servicing of gas fired heating appliances; German version EN 50