Omega Engineering”s FMA-4100/4300 Series flowmeters and totalizers are capable of displaying flowrate in 23 different volumetric flow or mass flow engineering units, including user-specific selections. The flowmeters support various functions including programmable flow totalizer, high- and low-flow alarm, automatic zero adjustment, two-relay outputs, jumper selectable zero to five Vdc or 4-20 mA analog outputs, status LED diagnostic, storage of up to 10 different gas calibrations, internal or user-specific K-factors.