Types of Sensors, Advantages & Disadvantages of all types Sensors, Applications of Sensors One type of feedback frequently needed by industrial-control systems is the position of one or more components of the operation being controlled. Sensors are devices used to provide information on the presence or absence of an object. Sensors include limit switches, photoelectric, inductive, capacitive, and ultrasonic sensors. These products are packaged in various configurations to meet virtually any requirement found in commercial and industrial applications. In addition to the advantages and disadvantages of each of these sensor types, different sensor technologies are better suited for certain applications. The following table lists the sensor technologies. Sensor Advantages Disadvantages Applications Limit Switch Sensor •High Current Capability •Low Cost •Familiar “Low- Tech" Sensing · Requires Physical Contact with Target · ...