The Gk122 consist of an infrared emitting diode and an NPN silicon phototransistor, encased side-by-side on converging optical axis in a black thermoplastic housing The phototransistor receives radiation from the IR only .This is the normal situation. But when an object is in between theĀ infrared emitting diode and an NPN silicon phototransistor, The radiation is then interrupted.
Opto Interrupter-Gk122
₦320.00
In stock (can be backordered)