Fluid flow sensors combine continuous fluid flow sensing with visual indication

Gems Sensors & Controls introduces the RFO type of the RotorFlow Series of fluid flow sensors. RFO stands for “RotorFlow Output”, and 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. The highly visible paddlewheel provides verification at a glance to confirm that fluids are moving. Typical applications for these fluid flow sensors include water purification, dispensing systems, chemical metering, laser and welders, semiconductor processing, water injection systems, and chillers and heat exchangers.

RotorFlow fluid flow sensors are offered in ¼” to 1” port sizes, and monitor fluids with flow rates ranging from 0.4 to 227 l/m. Accuracy is dependent on model and flow range selected, and is typically within ±7%. The compact, panel mountable housings are available with bodies in brass, stainless steel or polypropylene. Brass and SS bodies provide operating pressures (@ 21°C) to 13.8 bar, while polypropylene allows 6.9 bar. Maximum media temperature for polypropylene models is 82°C and with brass or SS bodies is 100°C.

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