Prenosni električni uređaji za merenje parametara zapaljivih produkata sagorelih gasova — Uputstvo za njihovu upotrebu u procesima puštanja u pogon, servisiranja i održavanja centralnih gasnih bojlera za zagrevanje
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
This technical specification provides guide on the selection, use and maintenance of a portable electrical apparatus conforming EN 50379-1 and EN 50379-2 or EN 50379-3.