Advantages and disadvantages of photoelectric angle sensors

The biggest advantage of a large photoelectric potentiometer with output voltage is non-contact and no wear. It will not bring any harmful frictional torque to the sensor system, thereby improving the accuracy, life, reliability and resolution of the sensor. The shortcomings of photoelectric angle sensors are large contact resistance and poor linearity. Due to its high output impedance, an amplifier with high input impedance is required. Although the photoelectric angle sensor has many shortcomings, because its advantages are unmatched by other potentiometers, it is still used in many important occasions.