Hollow shaft angle sensors (potentiometers) are available in two models, WKA-D39-A and WKA-D22-B. Product casing is high temperature resistant plastic cover,the resistor material is conductive plastic, the slide brush assembly is precious metal multi-contact slide brush, and the electrical connection is gold-plated brass terminal. The product has a long service life, excellent linearity, high resolution, high operating speed, and is made of high quality materials.Hollow shaft angle sensor (potentiometer) significant features: as a high-precision angle displacement sensor, both suitable for a variety of analog output applications, but also digital signal output applications. Hollow shaft angle sensors (potentiometers) are suitable for measurement, accurate positioning, position detection, and so on.