Which of the following is an advantage of using a photoelectric proximity switch?
A. High accuracy
B. Large sensing range
C. Ability to sense non-metallic objects
D. Low cost
Answer:C
Which of the following is an advantage of using a photoelectric proximity switch?
A. High accuracy B. Large sensing range C. Ability to sense non-metallic objects D. Low cost
Explanation: Photoelectric proximity switches are able to sense non-metallic objects, making them useful in applications where other types of sensors may not be effective.