Request InfoNoncontact Infrared Reflective Switch Optek Technology, Industrial Sensing & ControlCARROLLTON, Texas, Dec. 1, 2009 – Providing alternative energy design engineers with a means of reliably and accurately detecting the speed of wind turbines, TT electronics Optek Technology Inc.’s OPB732 series long-distance infrared reflective switch has been employed in a 6-kW wind turbine for revolutions-per-minute (RPM) sensing. Placed at the turbine rotor, the switch is used internally to sense RPMs, and that data is then transmitted to a customer-accessible Web site via General Packet Radio Service. 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