Bios International”s primary gas flow measurement solutions are designed for MFC and MFM manufacturers, OEMs, and end-users in the semiconductor and process control industries. The systems feature hyper-portable piston provers in the one SCCM to 50 SLM range, with linear and reproducible gas flow measurements at +/-0.4 percent and +/-0.15 percent of reading. An optional integrated control device allows users to communicate seamlessly with most industry-standard MFCs and MFMs, creating setpoint commands, performing comparisons to primary standards, and automating calibration of up to five instruments at a time. Optional software allows users to automate MFC and MFM calibrations.