Turck India Automation Pvt. Ltd. Manufactures Photoelectric Sensors with Infrared Light. Turck India Automation Pvt. Ltd. Manufactures Industrial Automation, Electronic Components, Sensors, Interfaces, and Fieldbuses. The Photoelectric Sensors with Infrared Light use visible or infrared light to detect various objects. The Photoelectric Sensors with Infrared Light has system Banner stands for an extremely efficient product range, offering perfect solutions for photoelectric applications. Photoelectric sensors are made up of a light source [LED], a receiver [phototransistor], a signal converter, and an amplifier. The phototransistor analyzes incoming light, verifies that it is from the LED, and appropriately triggers an output.