Fluid Components International ST80 Series Thermal Mass Flow Meter

Thursday, 25 November, 2021 | Supplied by: AMS Instrumentation & Calibration Pty Ltd


Engineers responsible for methane-fuelled electric power co-generation systems, pollution control, and oil/gas production and storage will find the ST80 Series Thermal Mass Flow Meter from Fluid Components International (FCI) useful for measuring methane and providing emissions data to meet emerging government environmental regulations and reporting requirements.

The thermal mass flow meter has a robust, open, cleanable, no-moving-parts sensor design, providing a suitable methane gas application solution for demanding industrial processes. It has international approvals for Div 1/Zone 1, for safe installation in hazardous gas processing areas.

The flow meter features FCI’s Adaptive Sensor Technology (AST) — a hybrid sensor drive that combines the industry’s constant power (CP) and constant temperature (CT) thermal dispersion sensing technologies in the same instrument. Complementing this measurement drive technique are a choice of four different precision flow sensor element designs for optimum installed performance, including FCI’s latest wet gas solution. The Wet Gas MASSter sensor optimises the sensor head design and installation to prevent condensation droplets, entrained moisture or rain from contacting the thermowells, for steady measurement.

The flow meters are suitable for pipe diameters from 25 to 2500 mm and air/gas temperatures up to 454°C. They feature accuracy of ±1% of reading, ±0.5% of full scale and repeatability of ±0.5% of reading with flow rates as low as 0.07 to 305 NMPS and 100:1 turndown.

The meter’s outputs and user interface choices are extensive to interface with virtually any control system and/or set-up or configuration devices. Standard outputs include dual, NAMUR NE43 compliant 4-20 mA analog outputs, HART (version 7), Modbus 485 and a USB port. Foundation Fieldbus or PROFIBUS PA or DP can be optionally added. The optional backlit LCD display provides digital and bar graph readouts of the flow rate and temperature, totalised flow, alarms, diagnostics feedback and even a user-defined label/tag field.

The ST80 Series transmitter enclosure is NEMA 4X/IP67 rated, selectable for NPT or metric conduit port threading and is available in both aluminium and stainless steel and may be remotely located up to 305 m apart from the flow element. The instrument also carries SIL compliance.

Online: www.ams-ic.com.au
Phone: 03 9017 8225
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