FCI ST80/ST80L mass flow meters

ST80 is a high-performance, rugged thermal dispersion technology air/gas flow meter that combines ultra-reliable, feature-rich electronics with the industry’s most extensive selection of application-matched flow sensors to provide a truly superior solution for industrial processes and plant applications. The ST80 further combines these features with a robust, rugged transmitter enclosure and industry’s broadest selection of process connections to provide longest service life and ease-of-installation in your installation’s pipe or duct.

The ST80 Series transmitter’s outputs are a match to your DCS, PLC, SCADA, recorder, or alarm system.  Whether your output needs are traditional 4-20 mA analogue or advanced digital bus communications such as HART, Foundation Fieldbus, PROFIBUS, or Modbus, ST80 has you covered.  Then for local display, the ST80’s graphical, backlit LCD is unmatched in showing what’s happening in the pipe. Flow rate, totalised flow, and temperature are continuously displayed in both a digital and bar graph presentation, while alarms and/or diagnostic messages will display as needed to alert operators.

 

McCrometer FPI mag, a new approach to accurate water flow measurement

The McCrometer FPI Mag is suitable for capital or maintenance projects, retrofits and sites never before metered. The unique combination of accuracy, ease of installation and total cost savings make the FPI Mag the perfect choice for a wide range of Municipal and Industrial Applications. It  is the next generation mag meter.

The FPI Mag meets or exceeds exacting industry standards of 0.5 per cent accuracy with 3rd party testing verification. The multi-electrode design and unique operating principle delivers accuracy unmatched by other insertion meters and rivals the performance of full-bore mag meters.

The FPI Mag is available in battery or solar powered options for forward flow sensors, enabling installation in remote applications without access to power. Additionally, with the new Smart Output feature, which allows the FPI Mag to connect to AMI / AMR systems through an encoded digital output.

The insertion design of the FPI Mag allows for easy, hot tap installation, which allows the meter to be installed without interrupting service, de-watering lines, cutting pipe, welding flanges, or inconveniencing customers.
Customers save up to 45% on installation and the total cost of ownership because the need for heavy equipment and added manpower required during a typical full bore, flanged meter installation isn’t necessary.

The FPI Mag has no moving parts and a single-piece design. The multi-electrode water flow sensor contains nothing to wear or break and is generally immune to clogging by sand, grit or other debris. The FPI Mag is available with forward-flow only or bi-directional measurement for line sizes from 100 to 3500 mm.

The sensor body is made from heavy-duty 316 stainless steel for maximum structural integrity and is hermetically sealed and protected by NSF certified 3M fusion-bonded epoxy coating.

Modbus available on FCI’s line of compact thermal mass air/gas flow meters

The new Modbus option for the ST51A and ST75A Flow Meters represents FCI’s continued commitment to providing optimal thermal mass flow meter design and value.  They combine highly dependable surface-mount, lead-free RoHS compliant electronics with highly accurate, repeatable all-welded, equal-mass flow sensors.   Their no-moving parts design is virtually maintenance free and offers an exceptionally long life.

FCI’s ST51A and ST75A flow meters’ Modbus option meets the EIA/TIA-485 standard and provides mass flow rate, totalised flow, and temperature data. Transmission mode is via RTU or ASCII with standard MS (16 bit), standard LS (16 bit) or Daniel extensions (32 bit).  They’re ideal for use with single function PLCs, pilot plant projects or large SCADA systems or complex plant DCS systems.

In addition to Modbus, the ST51A and ST75A also provide dual 4-20 mA, NAMUR NE43 compliant, analog outputs and a 500 Hz pulse output. Alternatively, instead of Modbus, the instruments can be provided with HART, version 7, I/O communications.  The meters’ electronics are housed in a compact, rugged, IP67 rated, dual-conduit port (½ inch NPT or M20 metric threading) transmitter enclosure, which is available in aluminum or a 316L stainless steel version. The transmitter can be mounted directly to the flow sensor or remotely mounted up to 100 feet (30 meters) away.

The highly reliable ST51A, ST75A and ST75AV flow meters carry the CE mark, and are optionally available with Div.1/Zone 1 Ex agency approvals of FM, FMc, ATEX and IECEx.  Additionally, they have also been independently verified to meet International Electrotechnical Commission’s (IEC) standard IEC 61508 for Safety Integrity Level (SIL-1) rating.  With all these pedigrees and verifications, FCI is further able to extend a full 2-year warranty on these new models to all customers.

FCI’s thermal dispersion sensor technology applied in the ST51A and ST75A and flow meters relies on the relationship between flow rate and cooling effect for direct measurement of mass flow. Their flow sensing elements feature precision, platinum RTDs in small diameter, all-welded thermowells made of 316L stainless steel and Hastelloy-C tips to provide superior accuracy, fast response and long-term reliability.  These flow meters are direct mass flow measuring and require no additional temperature or pressure sensors or flow computer to infer the mass flow rate of the process media, which reduces the total cost of process flow measurement.

Model ST51A air/gas flow meter
The ST51A is an insertion-style flow meter for use in pipe diameters from 2.5 to 24 inches [63 to 610 mm].  It is specifically designed for flow measurement of methane-based gases such as biogas, digester gas, landfill gas, natural gas, and for air, compressed air or nitrogen. It is easily connected into the pipe via a 0.5 or 0.75 inch NPT compression fitting. These thermal flow meters measure from 0.08 MPS to 122 MPS with turndown ratio of 100:1 and with accuracy of ±1 percent reading, ±0.5 percent full scale.

Model ST75A air/gas flow meter
The ST75A flow meters are in-line (spool-piece) style designed for applications in smaller pipe diameters from 6 to 51 mm.  They measure flow rate and totalized flow of air, compressed air, inert gases as well as natural gas, biogas and other hydrocarbon-based gases which makes them ideal for burner-boiler fuel and air lines, industrial furnaces and kilns, chiller air flow metering, and dosing and gas injection.

Process connections options include male NPT, female NPT and ANSI or DN flanged.  The Model ST75AV includes built-in Vortab flow conditioning to ensure highest accuracy and repeatability in applications which lack enough straight-run. They feature a wide 100:1 turndown ratio and measure from 0,01 NCMH to 950 NCMH with accuracy of ±1 percent reading, ± 0.5 percent full scale.

Robust mass flow meters and controllers for gases

MASS-Stream instruments operate on the basis of direct through-flow measurement in accordance with the constant temperature anemometer principle. They contain no moving parts and the measured gases pass the two stainless-steel sensor probes directly, without bypass. As a result, the gases are unhindered on their flow path, making the series suitable for applications with low pressure loss, as well as less sensitive to moisture and particulate contamination than thermal mass-flow instruments with a bypass sensor.

The electronics casing has a robust design with an IP65 level of protection (dustproof and splash waterproof). The mass flow meters and controllers can be supplied with an optional integrated multifunctional display. On the new D-6390 model, the maximum measuring range has been expanded to 10,000 ln/min air equivalent.

Analogue I/O signals as well as an RS232 interface are provided by default. In addition, an interface with DeviceNet, ProfiBUS DP, Modbus or Flow-BUS protocols can be integrated. Typical applications include gas consumption measurements, aeration and purging processes or natural gas/biogas applications.

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