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Thermal flowmeters support wide range of process and industrial applications

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Plant engineers needing to incorporate accurate, repeatable air/gas flow measurement into their monitoring and control can now use the precision ST Series and MT Series Thermal Flow Meters from Fluid Components International (FCI).
FCI’s advanced single point ST and multipoint MT mass flowmeters combine highly accurate, repeatable thermal flow measurement performance with digital bus communications technology flexibility.
FCI now offers the industry’s widest choice of thermal meters available with Profibus-PA and Profibus–DP, in addition to HART, Foundation Fieldbus and Modbus, as well as standard 4-20mA or pulse communications.
Profibus has become a leading global automation industry standard, which has been in use and growing in popularity for decades.
The proven Profibus communications protocol today connects millions of devices and automation systems in factories around the world.
It is available in two protocol types - Profibus-DP and Profibus-PA, which are both available in FCI’s thermal flow meters.
FCI’s highly intelligent thermal mass flowmeters, depending on the model, can be configured as either a field instrument PA type device or a system RS-485-based DP type device.
The ST80 Series is available with both Profibus-PA and Profibus-DP, while the ST100A Series is available with Profibus-PA.
The MT100 Series is available with Profibus-PA. In addition to flow rate, FCI’s Profibus compatible flow meters also provide totalized flow, temperature and instrument health diagnostics over the Profibus communications link.
Depending on the model selected and the application, FCI’s thermal mass flow meters offers accuracy up to ±0.75% reading, ± 0.5% full scale, with repeatability of ±0.5% reading percent of reading. The turndown ratio is normally factory set and field adjustable from 2:1 to 100:1 within calibrated flow range; up to 1000:1 possible with factory evaluation.