Gems Sensors & Controls Datasheets for Sight Flow Indicators

Sight flow indicators provide a quick, reliable and economical way to verify the flow of fluids through industrial process lines.
Sight Flow Indicators: Learn more

Product Name Notes
Flow Sensor -- RotorFlow® Type RFA Accurate Flow Rate Indication with Integral Visual Confirmation 0-10 VDC Analog Signal @ 1 mA Max Gems™ Sensors popularized the RotorFlow’s® paddlewheel design by combining high visibility rotors with...
Flow Sensor -- RotorFlow® Type RFO Accurate Flow Rate Indication with Integral Visual Confirmation 4.5 to 24 VDC Pulsed Output Gems™ Sensors popularized the RotorFlow’s® paddlewheel design by combining high visibility rotors with solid-state electronics...
Flow Sensor -- RotorFlow® Type RFI Bright Visual Flow Confirmation Flow Ranges From 0.1 GPM to 60.0 GPM Removable Lens for Quick Cleanout Available in Brass, Stainless Steel or High Performance Plastic Housings This is RotorFlow...
Flow Sensor -- RotorFlow® Type RFS Combines Visual Confirmation of Flow with Dynamic, Electronic Switch Operation Easy, Adjustable Switch Point Calibration: a Local LED Signals When Setpoint is Reached RotorFlow® Switches build an extra level...