Wafer Vortex Flowmeter. 84W. The Foxboro I/A Series® wafer vortex flowmeter Model 84W is part of a family of intelligent, high performance, flanged vortex flowmeter. They transmit a 4 to 20 mA or digital multidrop, and a pulse output signal, as applicable, using HART®munication protocol for remote configuration, calibration, and monitoring.
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