La description

Sensors from GEMS Sensors, a US company founded in 1955 in Plainville, CT, are well-known in the industrial world due to their unbeaten technical characteristics and superior response time. They are used to control and measure the levels and flow of various liquids in different industry sectors. The sensors are manufactured at three production sites in North America, Europe and Asia.RFI SeriesProfessional range of RFI series Visual flow sensor from Gems Sensors. The RFI series are the most basic form with a bright orange rotor turning with fluid flow. These flow sensors are simple, direct, reliable and excellent quality. The RFI series flow sensors flow rate can be confirmed by viewing the speed of the turning rotor. Both ports can be used for incoming flow, and bayonet mounting lens is easily removed for quick cleanout.''