Fluid Components International's ST50 Air Flow Meter is designed to provide a solution for flow measurement

ST50 Air Flow Meter from Fluid Components International (FCI) is designed to help measure compressed air accurately and detect system inefficiencies or expensive leaks. The ST50 Flow Meter is built to be a cost effective mass flow monitoring solution that is made for compressed air flow measurement. It is designed to provide precision flow measurement to reduce the consumption of pneumatic air.

The installation of ST50 Flow Meters in large facilities with multiple air compressors is made to allow the operators to compare compressor usage and adjust them for optimum efficiencies. In addition, the use of mass flow meters at the point of compressed air output is constructed to help ensure performance at a given flow rate.

The ST50 Flow Meter is built to utilize FCI’s thermal dispersion mass flow sensing technology to provide direct mass flow measurement. The ST50’s design is constructed to provide built-in temperature compensation for reliable measurement over a wide temperature range. The ST50 Flow Meter is designed to have a wide flow range from 0.75 SFPS to 400 SFPS (0.23 to 122 NMPS) for air, compressed air or nitrogen. Flow meter accuracy is +1% of reading, +0.5% of full scale, with repeatability of +0.5% of reading. The meter is built to operate at temperatures from +40 to 100°F (4 to 38°C).

The ST50’s flow range is designed to be field-configured in either standard mass flow or volumetric engineering units. It is built to feature dual analog outputs, 4-20 mA and 0-10 Vdc, which are made to be field assignable as flow rate or temperature and an RS232C I/O port. A 0-1kHz pulse output for totalizing flow is also made as an option. All configurations are built to be set in the field with any standard laptop to the RS232C port and/or via the wireless IR link/PDA.

The ST50, made with a stainless steel sensing element with Hastelloy-C tips, is designed for endurance and maximum performance in outdoor and field installation conditions. Its electronics are housed in an all-aluminum, epoxy-coated enclosure that is constructed to be NEMA 4X (IP66) rated and it is also constructed to withstand operational pressures up to 500 psig [34 bar (g)].

Three process connections are available for the new ST50 high-accuracy flow meter: 1/2-inch MNPT or 3/4-inch MNPT with a stainless steel or Teflon ferrule. It is available in three field adjustable U-length probes, 6, 12 and 18 inches (152, 305, and 457mm) to accommodate pipe sizes 2 to 124 inches (51 to 610mm). Instrument powering options include both DC (18-36V) and AC (85-265V). The ST50 comes with a 1-year standard warranty.

The versatile ST50 is built to offer the best value in its class. Whether adding flow measurement to improve the process or replacing high-maintenance flow meters, the ST50 is designed to provide a solution for compressed air, gas and nitrogen flow measurement.

Compressed Air Flow Meter
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