FCI Model ST100L flow meter with an all-welded flow element connection

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The FCI Model ST100L flow meter has been updated with an all-welded, no-thread flow element connection for improved reliability. With the all-welded flow element connection, the ST100L meter features a high pressure rating of up to 207 bar (g). It measures a wide range of gases: natural gas, hydrogen, helium, methane, ethane, propane, ethylene, nitrogen, carbon dioxide and many other specialty gases.

The elimination of threaded connections removes a potential leak path from standard meter compression fittings, which are threaded and can be a hazardous gas leak source.

The ST100L flow meter combines feature- and function-rich electronics with advanced flow sensors for advanced air/gas flow measurement. Offering direct gas flow measurement, no additional sensors or flow calculating devices are required for measurement. The no-moving-parts design also virtually eliminates wear, breakage and maintenance.

Users have multiple communication options: 4-20 mA analog, frequency/pulse, or certified digital bus communications such as HART, Foundation Fieldbus, Profibus PA or Modbus RS485. Should a plant’s process communication need change, the ST100L can be converted to any of these outputs with a simple card change in the field.

The graphical, multivariable backlit LCD display continuously displays all process measurements and alarm status for easy on-site viewing by technicians, and it has the ability to query for service diagnostics.

The ST100L’s electronics include a user-selectable and programmable data logger. Readings are stored in a removable, internal micro-SD card. The micro-SD card has a 2 GB capacity capable of storing approximately 21 million readings.