Turck India Automation Pvt. Ltd. Offers Ultrasonic Sensors for Wear-Free Detection. Turck India Automation Pvt. Ltd. Manufactures Industrial Automation, Electronic Components, Sensors, Interfaces, and Fieldbuses. The Ultrasonic Sensors for Wear-Free Detection use ultrasonic waves for non-contact and wear-free detection of a large variety of objects. It does not matter whether the object is transparent or opaque, metallic or non-metallic, or of liquid, solid or powdery consistence. Environmental conditions such as spray, dust or rain hardly affect their function.