FCI announces Thermal Mass Flow Meters with HART Protocol

May 16, 2023

October 31, 2018 — Fluid Components International (FCI) now offers Thermal Mass Flow Meters available with the HART Protocol and other communication options that are designed to serve a broad range of industries and applications.

FCI’s ST51, ST75, ST98, ST100 and MT100 Thermal Mass Flow Meters, including 12 models, are all available with the HART communications to provide a solution to measuring air or gases in process and plant applications.

FCI’s HART digital bus communication and its associated device driver (DD) have been tested and certified by the Fieldcomm (HART) Group to meet its standards. With over 30 million supported field instruments installed worldwide, HART technology offers a solution for intelligent flow meters and other devices through standardized digital communication.

FCI’s thermal flow meters with HART communications support the production of food and beverages, chemicals, electric power generation, mining and metals, pharmaceuticals, pulp and paper, oil/gas production and refining, pollution monitoring, solid waste, water/wastewater treatment and more.

The HART (highway addressable remote transducer) Protocol offers FCI thermal flow meter users a standard global communications protocol, providing two-way digital communication between intelligent field instruments and host systems without disturbing the 4-20mA analog signal. HART communications permit remote process variable interrogation, cyclical access to process data, parameter setting and diagnostics.

In addition to HART bus communications, FCI thermal mass flow meters feature standard outputs that are dual 4-20 mA, which meet NAMUR NE43 and features a 500 Hz pulse. The electronics are housed in an IP67 rated, dual-cable port transmitter enclosureavailable in aluminum or a new stainless steel version. The transmitter can be mounted directly to the flow sensor or remotely mounted up to 100 feet (30 meters) away.

FCI thermal flow meters have agency approvals from FM, FMc/CSA, ATEX, IECEx, EAC, NEPSI, Inmetro, and industry or country specific pedigrees such as SIL (IEC 61508), CRN, PED, QAL 1 and CEMS.

Their thermal mass flow sensing elements feature precision, platinum RTDs in small diameter, all-welded thermowells made of 316L stainless steel and Hastelloy-C tips. They are direct mass flow measuring instruments and require no additional temperature or pressure sensors or flow computer to infer the mass flow rate of the process media.

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