The ST100 Series flowmeter features a plug-in card replacement that can be changed out in the field to adapt to changing communication needs. A graphical, multivariable, backlit LCD continuously displays process measurements and alarm status. It measures gas mass flow rate, total flow, temperature and pressure. An optional, patent-pending SpectraCal Gas Equivalency calibration method lets users select and switch between 10 common gases. Booth #4755