Profile: BEI Duncan is a manufacturer of linear and rotary position sensors. We are an ISO 9001:2000 certified company. Our product line includes encoders, rotary potentiometers, hall effect sensors, linear potentiometers, panel controls, and contacting & non-contacting sensors. Our modular kit encoders, and enclosed shaft encoder designs are ideally suited for a wide variety of applications like audio, instrumentation, medical and other related markets, where manual control is necessary. Our rotary sensor consists of wire-wound coil, hybrid coils, and conductive plastic elements. Our linear position sensor devices can be incorporated into hydraulic or pneumatic cylinders, and installed on circuit boards, or simply mounted to mechanical assemblies.