Model KI1234 consists of an Infrared LED and Photo IC(Digital Output). Outer package has no aperture on the both light pass surfaces of the emitter and detector.
Model KI1234 consists of an Infrared LED and Photo IC(Digital Output). Outer package has no aperture on the both light pass surfaces of the emitter and detector.
The KI1233-AALF has an open collector type output at high level at beam detection.
