Fluid Components International (FCI) designs and manufactures thermal mass flow meters, flow switches, flow conditioners, and level switches for industrial process measurement applications utilizing patented thermal dispersion flow measurement technologies.

FCI’s corporate and manufacturing facility is located near San Diego, California, where each product is tested and calibrated to rigorous standards ensuring optimal performance for the job specified.

With more than five decades of experience and the world’s largest installed base of thermal dispersion instruments, FCI products are the gold standard for challenging applications in the chemical, oil and gas, power and energy, water and wastewater, pulp and paper, and pharmaceutical industries. Where product pedigree and instrument reliability cannot be left to chance, FCI offers the most reliable selection of non-moving part sensing solutions from off-the-shelf devices to custom engineered systems.

FCI Is Your Mass Flow Expert!