Question

light gates are______ sensors fill ups​

Answer 1

Answer:

digital switch-type sensor

The Light gate is a digital switch-type sensor most commonly used in timing experiments. The Light Gate has an infrared transmitter and receiver that will detect an object passing through the 'gate'. They can be used singly or in pairs for time, speed , velocity, acceleration and event monitoring.

Answer 2

Answer:

The Light gate has an infrared transmitter and receiver that will detect a solid object passing through the ‘gate’. A red On/Off indicator will light when the infrared beam is blocked