Thermal Mass Flow Meter Resists Corrosion in Biogas Environments

March 20, 2019
The ST51A Biogas Flow Meter from Fluid Components International combines high measurement accuracy with high reliability and dependability.

The flow meter is designed for dirty, potentially hazardous biogas processes, and to resist methane (CH4), carbon dioxide (CO2), water and trace levels of corrosive hydrogen sulfide (H2S) gas. It comes standard with 316 stainless steel body construction and Hastelloy-C22 thermal sensors. It features a no-moving parts, non-clogging design, which eliminates the need for constant cleaning under wet, dirty biogas conditions. The unit comes with full global Division 1, Zone 1, Ex safety approvals. The meter’s electronics are housed in a durable NEMA 4X, IP67 dust/water ingress protected and rugged, all-metal (aluminum or 316L stainless steel) enclosure with dual conduit ports in either NPT or M20 threading. The transmitter can be integrally mounted with the flow element (probe) or can be remote mounted for installation flexibility. The instrument comes standard with dual 4-20 mA, NAMUR NE43 compliant outputs and a 500 Hz pulse output, plus digital communications via the HART, Version 7, protocol.

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Fluid Components International