Ultrasonic Sensors, Products & Applications, Banner Engineering Corp.
http://www.bannerengineering.com/en-IN/products/67/Sensors/220/Ultrasonic-Sensors
Because ultrasonic sensors use sound waves rather than light, they are ideal for sensing uneven surfaces, liquids, clear objects, and objects in dirty environments.
http://www.bannerengineering.com/en-IN/products/67/Sensors/220/Ultrasonic-Sensors
Because ultrasonic sensors use sound waves rather than light, they are ideal for sensing uneven surfaces, liquids, clear objects, and objects in dirty environments.