The Endress+Hauser Proline t-mass 65I thermal mass flow meter offers high accuracy and repeatability for a wide range of utility and process gases. The device is easy to install and requires no maintenance. It can be in applications like compressed air flow machines, natural gas flow to boilers / dryers, carbon dioxide flow in breweries, biogas and aeration air in waste water plants and for gas production (e. g. Ar, N2, CO2, He, O2). It contains leakage detection and is ATEX, FM, CSA, IEC Ex, NEPSI standardized.