The IN-FLOW Mass Flow Meters and Controllers by Bronkhorst High-Tech, The Netherlands, are of rugged design according IP65 (dust- and waterproof). The instruments are available for flow ranges from 0,05-1 mln/min up to 200-10000 m3 n/h Air-equivalent. The IN-FLOW series can now be offered with FM approval for Class I, Division 2, which is an important feature for the North American market. Furthermore Bronkhorst announces the availability of a PROFINET fieldbus interface on their industrial mass flow meters and controllers for gases. PROFINET is said to be the “new standard for industrial automation”, offering major savings in configuration and commissioning. The flexible architecture of PROFINET with its comprehensive scope of functions enables innovative, flexible, and cost saving machine automation: maximum performance and precision, flexible address assignment and modular design, fast commissioning thanks to open access and defined interfaces and optimal diagnostics of devices as well as the network.