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Sensors Combine Continuous Fluid Flow Sensing with Visual Indication

July 07, 2010
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The RFO (RotorFlow Output) fluid flow sensor is designed for flow rate monitoring or metering applications. The sensors provide a pulsed DC voltage output that is proportional to the rate of flow. The 4.5 to 24VDC pulsed output is easily integrated into most digital logic units. What makes the sensor unique is the highly visible paddlewheel that provides verification at a glance to confirm that fluids are moving. Typical applications include water purification, dispensing systems, chemical metering, laser and welders, semiconductor processing, water injection systems, and chillers and heat exchangers. The sensors are offered in ¼- to 1-inch port sizes, and monitor fluids with flow rates ranging from 0.1 GPM to 60 GPM. Accuracy is dependent on model and flow range selected, and is typically within ±7 percent. The sensors combine their high visibility rotors with solid-state electronics that are packaged into compact, panel mountable housings. Housing bodies are available in brass, stainless steel or polypropylene.

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