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Remote mountable thermal mass flow meter from AMS Instrumentation and Calibration

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AMS Instrumentation and Calibration  announce the ST75 Flow Meter from Fluid Components International (FCI) is now available in a remote mountable configuration for applications in hazardous areas or hard-to-reach locations.  

The ST75 Flow Meter is designed for line sizes from (6 to 51mm and provides three unique outputs; the mass flow rate, totalized flow and media temperature. It is ideal for applications in a wide range of industries including chemical, electric power, food/beverage, advanced materials, pharmaceuticals, semiconductor and more.  

The ST75 Flow Meter features accuracy to ±2% of reading with ±0.5% repeatability and includes media temperature compensation to ensure performance in testing environments. Its precision flow element has a no-moving parts design that employs platinum RTD sensors embedded in equal mass thermowells with microprocessor electronics.

AMS Instrumentation and Calibration's ST75 Flow Meter operates over a wide flow range, from 0.01 to 950 NCMH depending on line size, which makes suited for low flow and high flow applications. For variable process conditions, the ST75 is factory preset to a wide turndown range at 10:1 to 100:1.

Remote mount flow meters are ideal in equipment crowded plants or hazardous factory areas where explosive, flammable or toxic gases may be present near the transmitter’s electronics. The ST75’s remote mount transmitter, which includes a full digital display, can be mounted up to 15 meters away from its thermal mass flow sensor in the process piping and connected via two 0.50-inch FNPT cables. The ST75 Flow Meter’s standard outputs are fully scaleable 4-20mA and 0-10V. They are user assignable to flow rate and/or temperature and a 0-1kHz pulse output of total flow. The instrument can be ordered for input power with either 18 to 36 Vdc or 85 to 265 Vac, with or without a built-in LCD digital display.  

The ST75’s thermal dispersion technology provides direct-flow measurement, eliminating the need for temperature sensors, flow computers, or other devices that are required with orifice plates, Venturis, Vortex shedding, and other meters. There are no orifices or inlets to clog or foul, which reduces scheduled maintenance and unplanned shut-downs. The ST75’s sensing element features all welded 316 stainless steel construction with Hastelloy-C tips. It is enclosed in an all-metal, dust and water resistant NEMA Type 4X (IP66) rated package designed for hazardous area installations.

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